Question 1: Palette 1/396

Errorless NEET 2024 MCQ

Which one of the following factors will not affect the Hardy-Weinberg equilibrium

A

Genetic recombination

B

Genetic drift

C

Gene migration

D

Constant gene pool

Question 2: Palette 2/396

Errorless NEET 2023 MCQ

Select the correct group/set of Australian Marsupials exhibiting adaptive radiation

A

Numbat, Spotted cuscus, Flying phalanger

B

Mole, Flying squirrel, Tasmanian tiger cat

C

Lemur, Anteater, Wolf

D

Tasmanian wolf, Bobcat, Marsupial mole

Question 3: Palette 3/396

Errorless NEET 2022 MCQ

Natural selection where more individuals acquire specific character value other than the mean character value, leads to

A

Disruptive change

B

Random change

C

Stabilizing change

D

Directional change

Question 4: Palette 4/396

Errorless NEET 2022 MCQ

Which of the following statements is not true

A

Homology indicates common ancestry

B

Flippers of penguins and dolphins are a pair of homologous organs

C

Analogous structures are a result of convergent evolution

D

Sweet potato and potato is an example of analogy

Question 5: Palette 5/396

Errorless NEET 2021 MCQ

Match Column-I with Column-II

Column-I	Column-II
(A) Adaptive radiation (B) Convergent evolution (C) Divergent evolution (D) Evolution by anthropogenic action	(P) Selection of resistant varieties due to excessive use of herbicides and pesticides (Q) Bones of forelimbs in Man and Whale (R) Wings of butterfly and Bird (S) Darwin Finches

A

A-R, B-Q, C-P, D-S

B

A-Q, B-P, C-S, D-R

C

A-P, B-S, C-R, D-Q

D

A-S, B-R, C-Q, D-P

Question 6: Palette 6/396

Errorless NEET 2021 MCQ

Match Column-I with Column-II

Column-I	Column-II
(A) Allen's Rule (B) Physiological adaptation (C) Behavioural adaptation (D) Biochemical adaptation	(P) Kangaroo rat (Q) Desert lizard (R) Marine fish at depth (S) Polar seal

A

A-S, B-P, C-R, D-Q

B

A-S, B-P, C-Q, D-R

C

A-S, B-R, C-Q, D-P

D

A-S, B-Q, C-R, D-P

Question 7: Palette 7/396

Errorless NEET 2021 MCQ

The factor that leads to founder effect in a population is

A

Genetic recombination

B

Mutation

C

Genetic drift

D

Natural selection

Question 8: Palette 8/396

Errorless NEET 2020 MCQ

Embryological support for evolution was disapproved by

A

Oparin

B

Karl Ernst von Baer

C

Alfred Wallace

D

Charles Darwin

Question 9: Palette 9/396

Errorless NEET 2020 MCQ

Which of the following refer to correct example(s) of organisms which have evolved due to changes in environment brought about by anthropogenic action
(i) Darwin's Finches of Galapagos islands
(ii) Herbicide resistant weeds
(iii) Drug resistant eukaryotes
(iv) Man- created breeds of domesticated animals like dogs

A

Only iv

B

Only i

C

i and iii

D

ii, iii and iv

Question 10: Palette 10/396

Errorless NEET 2020, 24 MCQ

The flippers of the Penguins and Dolphins are the example of the

A

Adaptive radiation

B

Natural selection

C

Convergent evolution

D

Divergent evolution

Question 11: Palette 11/396

Errorless NEET 2019 MCQ

In a species, the weight of newborn ranges from 2 to 5 kg. 97% of the newborn with an average weight between 3 to 3.3 kg survive whereas 99% of the infants born with weights from 2 to 2.5 kg or 4.5 to 5 kg die. Which type of selection process is taking place

A

Directional Selection

B

Stabilizing Selection

C

Disruptive Selection

D

Cyclical Selection

Question 12: Palette 12/396

Errorless NEET 2018 MCQ

According to Hugo de Vries, the mechanism of evolution is

A

Multiple step mutations

B

Saltation

C

Phenotypic variations

D

Minor mutations

Question 13: Palette 13/396

Errorless NEET 2018 MCQ

Among the following sets of examples for divergent evolution, select the incorrect option

A

Forelimbs of man, bat and cheetah

B

Heart of bat, man and cheetah

C

Brain of bat, man and cheetah

D

Eye of octopus, bat and man

Question 14: Palette 14/396

Errorless NEET (Phase-II) 2016 MCQ

In Hardy-Weinberg equation, the frequency of heterozygous individual is represented by

A

q2

B

p2

C

2pq

D

pq

Question 15: Palette 15/396

Errorless WB-JEE 2016 MCQ

In terms of evolutionary origin, which one of the following is correct

A

Birds are closer to mammals

B

Birds are closer to reptiles

C

Both bats and birds originated from the same ancestor group

D

Birds originated from animals like flying lizards

Question 16: Palette 16/396

Errorless NEET (Phase-II) 2016 MCQ

The most accepted line of descent in human evolution is

A

Australopithecus → Ramapithecus → Homo sapiens → Homo habilis

B

Homo erectus → Homo habilis → Homo sapiens

C

Ramapithecus → Australopithecus → Homo habilis → Homo erectus → Homo sapiens

D

Australopithecus → Ramapithecus → Homo erectus → Homo habilis → Homo sapiens

Question 17: Palette 17/396

Errorless NEET (Phase-I) 2016 MCQ

Following are the two statements regarding the origin of life (A) The earliest organisms that appeared on the earth were non-green and presumably anaerobes (B) The first autotrophic organisms were the chemoautotrophs that never released oxygen. Of the above statements which one of the following options is correct

A

A is correct but B is false

B

B is correct but A is false

C

Both A and B are correct

D

Both A and B are false

Question 18: Palette 18/396

Errorless NEET (Phase-II) 2016 MCQ

Which of the following is the correct sequence of events in the origin of life
(I) Formation of protobionts
(II) Synthesis of organic monomers
(III) Synthesis of organic polymers
(IV) Formation of DNA-based genetic systems

A

II, III, IV, I

B

I, II, III, IV

C

I, III, II,IV

D

II III, I, IV

Question 19: Palette 19/396

Errorless NEET (Phase-II) 2016 MCQ

Interspecific hybridization in the mating of

A

More closely related individuals within same breed for 4-6 generations

B

Animals within same breed without having common ancestors

C

Two different related species

D

Superior males and females of different breeds

Question 20: Palette 20/396

Errorless NEET (Phase-II) 2016 MCQ

A molecule that can act as a genetic material must fulfill the traits given below, except

A

It should provide the scope for slow changes that are required for evolution

B

It should be able to express itself in the form of 'Mendelian characters'

C

It should be able to generate its replica

D

It should be unstable structurally and chemically

Question 21: Palette 21/396

Errorless AIPMT (Cancelled) 2015 MCQ

A population will not exist in Hardy-Weinberg equilibrium if

A

There are no mutations

B

There is no migration

C

me popuiauon is iarge

D

Individunle mato coloatiak.

Question 22: Palette 22/396

Errorless AIPMT 2015 MCQ

The wings of a bird and the wings of an insect are

A

Analogous structures and represent convergent evolution

B

Phylogenetic structures and represent divergent evolution

C

Homologous structures and represent convergent evolution

D

Homologous structures and represent divergent evolution

Question 23: Palette 23/396

Errorless KCET 2015 MCQ

The formation of two species from one ancestral species is known as

A

Convergent evolution

B

Phyletic evolution

C

Allopatry

D

Divergent evolution

Question 24: Palette 24/396

Errorless AIPMT 2015 MCQ

Industrial melanism is an example of

A

Natural selection

B

Mutation

C

Neo lamarckism

D

Neo darwinism

Question 25: Palette 25/396

Errorless AIPMT (Cancelled) 2015 MCQ

Which of the following had the smallest brain capacity

A

Homo sapiens

B

Homo neanderthalensis

C

Homo habilis

D

Homo erectus

Question 26: Palette 26/396

Errorless MHCET 2015 MCQ

The first fossil of Australopithecus was discovered in

A

Olduvai Gorge, Tanzania

B

Fayum deposits of Egypt

C

Siwalik hills in India

D

Taung in South Africa

Question 27: Palette 27/396

Errorless KCET 2015 MCQ

The 2000 year old seed excavated from King Herod's place at dead sea belong to

A

Dendrocalamus strictus

B

Lupine articus

C

Phoenix dactylifera

D

Strobilanthus kunthiana

Question 28: Palette 28/396

Errorless KCET 2015 MCQ

The ancestors of modern day Frogs and Salamanders are

A

Icthyophis

B

Jawless fish

C

Amphioxus

D

Coelocanth

Question 29: Palette 29/396

Errorless MHCET 2015 MCQ

The characters such as pointed elongated snout, strong and stout forelimbs, well developed claws are observed in adaptation

A

Arboreal

B

Aerial

C

Cursorial

D

Fossorial

Question 30: Palette 30/396

Errorless GUJCET 2015 MCQ

How many years are considered in one minute in Geological clock

A

52,000 years

B

1, 87,500,000 years

C

3, 25,000 years

D

1, 90,000 years

Question 31: Palette 31/396

Errorless CBSE PMT 2014 MSQ

Which one of the following are analogous structures

A

Thorns of Bougainvillea and tendrils of Cucurbita

B

Flippers of dolphin and legs of horse

C

Wings of bat and wings of pigeon

D

Gills of prawn and lungs of man

Question 32: Palette 32/396

Errorless CBSE PMT 2014 MCQ

Forelimbs of cat, lizard used in walking; forelimbs of whale used in swimming and forelimbs of bats used in flying are an example of

A

Homologous organs

B

Convergent evolution

C

Analogous organs

D

Adaptive radiation

Question 33: Palette 33/396

Errorless NCERT; MP PMT 2013 MCQ

First mammals appeared in the period

A

Triassic

B

Jurassic

C

Cretaceous

D

Tertiary

Question 34: Palette 34/396

Errorless NEET 2013 MCQ

The eye of octopus and eye of cat show different patterns of structure, yet they perform similar function. This is an example of

A

Analogous organs that have evolved due to divergent evolution

B

Homologous organs that have evolved due to convergent evolution

C

Homologous organs that have evolved due to divergent evolution

D

Analogous organs that have evolved due to convergent evolution

Question 35: Palette 35/396

Errorless MP PMT 2013 MCQ

The basis of Lamarkism is

A

Development of organ

B

Reduction of organ

C

Effect of metabolism

D

Effect of environment

Question 36: Palette 36/396

Errorless NEET (Karnataka) 2013 MCQ

The finch species of Galapagos island are grouped according to their food sources. Which of the following is not a finch food

A

Carrion

B

Insects

C

Tree buds

D

Seeds

Question 37: Palette 37/396

Errorless NEET 2013 MCQ

According to Darwin, the organic evolution is due to

A

Reduced feeding efficiency in one species due to the presence of interfering species

B

Intraspecific competition

C

Interspecific competition

D

Competition within closely related species

Question 38: Palette 38/396

Errorless NEET 2013 MCQ

The tendency of population to remain in genetic equilibrium may be disturbed by

A

Lack of random mating

B

Random mating

C

Lack of migration

D

Lack of mutations

Question 39: Palette 39/396

Errorless KCET 2012 MCQ

The prebiotic atmosphere of the earth was of a reducing nature. It was transformed into an oxidizing atmosphere of present day due to the emergence of

A

Cyanobacteria

B

Angiosperms

C

Photosynthetic bacteria

D

Eukaryotic algae

Question 40: Palette 40/396

Errorless CBSE PMT (Pre.) 2012 MCQ

Evolution of different species in a given area starting from a point and spreading to other geographical areas is known as

A

Adaptive radiation

B

Natural selection

C

Migration

D

Divergent evolution

Question 41: Palette 41/396

Errorless AMU (Med.) 2012 MCQ

The origin of mammal like reptiles occurred in

A

Triassic period

B

Permian period

C

Jurassic period

D

Tertiary period

Question 42: Palette 42/396

Errorless Kerala PMT 2012 MCQ

Which one of these was a flying dinosaur

A

Triceratops

B

Tyrannosaurus

C

Stegosaurus

D

Brachiosaurus

E

Pteranodon

Question 43: Palette 43/396

Errorless KCET 2012 MCQ

The Hardy-Weinberg principle cannot operate if

A

The population is very large

B

Frequent mutations occur in the population

C

The population has no chance of interaction with other populations

D

Free interbreeding occurs among all members of the population

Question 44: Palette 44/396

Errorless Kerala PMT 2012 MCQ

Read the following statements and choose the correct option
(A) Increase in melanized moths after industrialization in Great Britain is a proof for natural selection
(B) When more individuals of a population acquire a mean character value, it is called disruption
(C) Changes in allelic frequency in a population will lead to Hardy Weinberg equilibrium
(D) Genetic drift changes the existing gene or allelic frequency in future generations

A

B alone is correct

B

D alone is correct

C

A and D alone are correct

D

A and C alone are correct

E

B and D alone are correct

Question 45: Palette 45/396

Errorless CBSE PMT (Pre.) 2012 MCQ

Which one of the following options gives one correct example each of convergent evolution and divergent evolution

A

Convergent evolution – Eyes of octopus and mammals, Divergent evolution – Bones of forelimbs of vertebrates

B

Convergent evolution – Thorns of Bougainvillea and tendrils of Cucurbita, Divergent evolution – Wings of butterflies and birds

C

Convergent evolution – Bones of forelimbs of vertebrates, Divergent evolution – Wings of butterflies and birds

D

Convergent evolution – Thorns of Bougainvillea and tendrils of Cucurbita, Divergent evolution – Eyes of octopus and mammals

Question 46: Palette 46/396

Errorless J & K CET 2012 MCQ

The Darwinian fitness of an organism is a measure of

A

Its ability, relative to others in the population to pass its genes to the next generation

B

The number of offspring it produces

C

Its lifespan

D

Its physical vigour

Question 47: Palette 47/396

Errorless NCERT; AMU (Med.) 2012 MCQ

The biologist who has been called the "Darwin of the 20th century", was

A

Linnaeus

B

Ernst Mayr

C

Diener

D

Whittaker

Question 48: Palette 48/396

Errorless MP PMT 2012; WB JEE 2012 MCQ

Homo sapiens/Homo Erectus evolved in

A

Miocene

B

Oligocene

C

Pliocene

D

Pleistocene

Question 49: Palette 49/396

Errorless CBSE PMT (Pre.) 2012 MCQ

What was the most significant trend in the evolution of modern man (Homo sapiens) from his ancestors

A

Shortening of jaws

B

Binocular vision

C

Increasing cranial capacity

D

Upright posture

Question 50: Palette 50/396

Errorless NCERT; J & K CET 2012 MCQ

A potential danger to a population that has been greatly reduced in number is the

A

Hardy-Weinberg disequilibrium

B

Tendency towards assortative mating

C

Reduced gene flow

D

Loss of genetic variability

Question 51: Palette 51/396

Errorless NCERT; J & K CET 2012 MCQ

An isolated population of humans with approximately equal numbers of blue-eyed and brown-eyed individuals was decimated by an earthquake. Only a few brown-eyed people remained to form the next generation. This kind of change in the gene pool is called a

A

Hardy-Weinberg equilibrium

B

Blocked gene flow

C

Bottleneck effect

D

Founder effect

Question 52: Palette 52/396

Errorless KCET 2011 MCQ

Which is responsible for origin of life

A

Spontaneous generation

B

Special creation

C

Catastrophy

D

Chemosynthesis

Question 53: Palette 53/396

Errorless Odisha JEE 2011 MCQ

By performing the replica plating experiment, Lederberg supported the

A

Gene mutation theory

B

Natural selection theory

C

Lamarck theory

D

Darwinian theory

Question 54: Palette 54/396

Errorless KCET 2011 MCQ

By the statement 'Survival of the Fittest', Darwin meant that

A

The strongest of all species survives

B

The most intelligent of the species survives

C

The cleverest of the species survives

D

The most adaptable of the species to changes survives

Question 55: Palette 55/396

Errorless CPMT 2010 MCQ

Which of the following statements is incorrect

A

J.B.S. Haldane-law of continuity of germplasm

B

Louis Pasteur-germ theory of disease and immunology

C

de Vries-mutation theory

D

Lemaitre-big bang theory

Question 56: Palette 56/396

Errorless Kerala PMT 2010 MCQ

In the early earth, water and CO2 were produced by the combination of $O _ { 2 }$ with

A

Ammonia and methane

B

Hydrogen

C

Organic matter

D

Sulphates and nitrates

E

Hydrogen sulphide

Question 57: Palette 57/396

Errorless AIIMS 2010 MCQ

Occurrence of endemic species in South America and Australia is due to

A

Extinction of these species from other regions

B

Continental separation

C

Absence of terrestrial route to these places

D

Retrogressive evolution

Question 58: Palette 58/396

Errorless MP PMT 2010 MCQ

Another term for adaptive evolution is

A

Clinal change

B

Microevolution

C

Macro-evolution

D

Speciation

Question 59: Palette 59/396

Errorless MP PMT 2010 MCQ

The first life on earth came in water and evidences indicate that life orginated in one of the following eras

A

Palaeozoic

B

Mesozoic

C

Cenozoic

D

Proterozoic

Question 60: Palette 60/396

Errorless DUMET 2010 MCQ

The major cause of evolution of genes and protein is

A

Point mutation

B

Chromosomal aberration

C

Sexual reproduction

D

Gene duplication and divergence

Question 61: Palette 61/396

Errorless DUMET 2010 MCQ

A common means of sympatric speciation is

A

Polyploidy

B

Temporal segregation of breeding season

C

Spatial segregation of mating sites

D

Imposition of geographic barrier

Question 62: Palette 62/396

Errorless Kerala PMT 2010 MCQ

The alien species introduced into Lake Victoria that was responsible for the extinction of cichlid fishes is

A

African catfish

B

Water hyacinth

C

Carrot grass

D

Nile perch

E

Murrels

Question 63: Palette 63/396

Errorless Kerala PMT 2010 MCQ

Single step large mutation leading to speciation is also called

A

Founder effect

B

Saltation

C

Branching descent

D

Natural selection

E

Adaptive radiation

Question 64: Palette 64/396

Errorless MP PMT 2010 MCQ

The first seed plants appeared during

A

Silurian era

B

Devonian era

C

Carboniferous era

D

Cretaceous era

Question 65: Palette 65/396

Errorless AIIMS 2010 MCQ

Below are listed some pairs of characters. The homologous pair is

A

Forelimbs of dog and camel

B

Insect wing and bat wing

C

Feathers of birds and fins of fish

D

Lens of vertebrate and arthropod

Question 66: Palette 66/396

Errorless KCET 2010 MCQ

Aaccording to Darwin, evolution i.....

A

A sudden but discontinuous process

B

A slow, gradual and continuous process

C

A slow, sudden and discontinuous process

D

A slow and discontinuous process

Question 67: Palette 67/396

Errorless AIIMS 2010 MCQ

Appearance of dark-coloured peppered moths among the light-coloured ones as a result of increased industrial pollution is an example of

A

Disruptive selection

B

Stabilishing selection

C

Directional selection

D

None of the above

Question 68: Palette 68/396

Errorless AIIMS 2010 MCQ

If Darwin's theory of pangenesis shows similarity with theory of inheritance of acquired characters then what shall be correct according to it

A

Useful organs become strong and developed while useless organs become extinct. These organs help in struggle for survival

B

Size of organs increase with ageing

C

Development of organs is due to willpower

D

There should be some physical basis of inheritance

Question 69: Palette 69/396

Errorless J & K CET 2010 MCQ

Humans belong to the family

A

Hominidae

B

Pongidae

C

Hylobatidae

D

Ramapithecus

Question 70: Palette 70/396

Errorless AIIMS 2010 MCQ

What does the term 'reproductive isolation' refers to

A

An individual is unable to fertilise itself

B

Genes are not exchanged between two populations

C

Individuals from two population never mate

D

Individuals from two populations never produce offsprings

Question 71: Palette 71/396

Errorless NCERT; MP PMT 2009 MCQ

Life originated in

A

Precambrian era

B

Proterozoic era

C

Mesozoic era

D

Caenozoic era

Question 72: Palette 72/396

Errorless CPMT 2009 MCQ

Ultimate source of organic variation is the process which provide raw materials for evolution is Or The concept of sudden genetic change which breeds true in a species is represented as [MP PMT 1996]

A

Sexual reproduction

B

Meiosis

C

Mutation

D

Independent assortment

Question 73: Palette 73/396

Errorless CPMT 2009 MCQ

According to the theory of mutation by Hugo de Vries

A

Only small mutation takes part in variation

B

Only large mutation takes part in variation

C

Both small and large mutation cause variation in species

D

None of the above

Question 74: Palette 74/396

Errorless AIIMS 2009 MCQ

Which is a vestigeal organ of python

A

Nose

B

Hind limbs

C

Scales

D

Teeth

Question 75: Palette 75/396

Errorless DUMET 2009 MCQ

Mass extinction at the end of Mesozoic era was probably due to

A

Continental drift

B

The collision of earth with large meteorites

C

Massive glaciations

D

Change in earth's orbit

Question 76: Palette 76/396

Errorless Kerala PMT 2009 MCQ

Amphibians were dominant during

A

Carboniferous

B

Silurian

C

Ordovician

D

Cambrian

E

Jurassic

Question 77: Palette 77/396

Errorless CPMT 2009 MCQ

Origin of first toothed birds and gymnosperms took place during

A

Cretaceous

B

Triassic

C

Jurassic

D

Permian

Question 78: Palette 78/396

Errorless DUMET 2009 MCQ

Which one of the following periods is largely associated with extinction of dinosaurs and the increase in flowering plants and reptiles

A

Jurassic

B

Triassic

C

Cretaceous

D

Permian

Question 79: Palette 79/396

Errorless Kerala PMT 2009 MCQ

Who was the first to discard the idea of fixity of species

A

Jean Baptiste Lamarck

B

Charles Darwin

C

Robert Hooke

D

William Harvey

E

Stanley Cohen

Question 80: Palette 80/396

Errorless Odisha JEE 2009 MCQ

Whose bicentenary is the year 2009

A

Darwin

B

Edward Jenner

C

Stanley Miller

D

T.H. Morgan

Question 81: Palette 81/396

Errorless Odisha JEE 2009 MCQ

Darwin could not properly explain the theory of evolution due to lack of

A

Evidence

B

Variations

C

Speciation

D

Genetics

Question 82: Palette 82/396

Errorless DUMET 2009 MCQ

Darwin judged the fitness of an individual by

A

Ability to defend itself

B

Strategy to obtain food

C

Number of offspring

D

Dominance over other individuals

Question 83: Palette 83/396

Errorless KCET 2009 MCQ

Darwinism explains all the following except

A

Within each species, there are variations

B

Organisms tend to produce more number of offspring than can survive

C

Offspring with better traits that overcome competition are best suited for the environment

D

Variations are inherited from parents to offspring through genes

Question 84: Palette 84/396

Errorless Kerala PMT 2009 MCQ

Which one of these is not a case of artificial selection

A

Shetland pony

B

Great dane dog

C

Broccoli

D

Peppered moth

E

Arabian race horse

Question 85: Palette 85/396

Errorless AFMC 2009 MCQ

Which one of the following was not given by Darwin's theory of evolution[NCERT Pg. No. 118, 119]

A

Struggle for existence

B

Over production

C

Natural selection

D

Genetic drift

Question 86: Palette 86/396

Errorless AIIMS 2009, 11 MCQ

What is correct

A

Natural selection is responsible for extinction of dinosaurs

B

Lion and Leopard have convergent evolution

C

Homo habilus and Homo erectus are closely related

D

Biston betularia shows cryptic camouflage

Question 87: Palette 87/396

Errorless EAMCET 2009 MCQ

Assertion : The theory of survival of the fittest is widely misunderstood. Reason: Evolution does not always increase the chances of a species survival and species do not survive when such chances happen rapidly.

A

If both assertion and reason are true and the reason is the correct explanation of the assertion.

B

If both assertion and reason are true but reason is not the correct explanation of the assertion.

C

If assertion is true but reason is false.

D

If the assertion and reason both are false.

E

If assertion is false but reason is true.

Question 88: Palette 88/396

Errorless AIIMS 2009 MCQ

Assertion : Most evolutionary trees place information about the pattern of relationship among organisms on the vertical axis and information about time on the horizontal axis. Reason: An evolutionary tree depicts the pattern of relationships among parents and their offsprings.

A

If both assertion and reason are true and the reason is the correct explanation of the assertion.

B

If both assertion and reason are true but reason is not the correct explanation of the assertion.

C

If assertion is true but reason is false.

D

If the assertion and reason both are false.

E

If assertion is false but reason is true.

Question 89: Palette 89/396

Errorless AIIMS 2009 MCQ

Assertion : Chimpanzee is the closest relative of present day humans. Reason: The banding pattern in the autosome number 3 and 6 are remarkably similar.

A

If both assertion and reason are true and the reason is the correct explanation of the assertion.

B

If both assertion and reason are true but reason is not the correct explanation of the assertion.

C

If assertion is true but reason is false.

D

If the assertion and reason both are false.

E

If assertion is false but reason is true.

Question 90: Palette 90/396

Errorless NCERT; CBSE PMT 2008 MCQ

Which one of the following is incorrect about the characteristics of protobionts (coacervates and microsphers) as envisaged in the abiogenic origin of life)

A

They were partially isolated from the surroundings

B

They could maintain an internal environment

C

They were able to reproduce

D

They could separate combinations of molecules from the surrounding

Question 91: Palette 91/396

Errorless Odisha JEE 2008 MCQ

Mutations which normally happen randomly are considered one of the raw materials for evolution because they

A

Are stable

B

Contribute to new variation in organism

C

Cause death of organism

D

None of these

Question 92: Palette 92/396

Errorless Odisha JEE 2008; J & K CET 2012 MCQ

Now unit of evolution is called

A

Population

B

Genus

C

Order

D

Species

Question 93: Palette 93/396

Errorless Odisha JEE 2008 MCQ

Closely related species varying different in trait expresses

A

Convergent evolution

B

Divergent evolution

C

Parallel evolution

D

None of these

Question 94: Palette 94/396

Errorless VITEEE 2008 MCQ

Which one of the following is not important for evolution

A

Mutation

B

Recombination

C

Genetic drift

D

Somatic variation

Question 95: Palette 95/396

Errorless VITEEE 2008 MCQ

Which is not a pre-zygotic isolation mechanism

A

Geographical isolation

B

Ecological isolation

C

Seasonal isolation

D

Hybrid sterility

Question 96: Palette 96/396

Errorless VITEEE 2008 MCQ

The principle that gives the geneticists a tool to determine when evolution is occurring is

A

Chemiosmotic theory

B

Hardy-Weinberg principle

C

Malthusian principle

D

Cloning theory

Question 97: Palette 97/396

Errorless Odisha JEE 2008 MCQ

Which of the following is the earliest era

A

Coenozoic

B

Mesozoic

C

Paleozoic

D

Pre-cambrian

Question 98: Palette 98/396

Errorless Odisha JEE 2008 MCQ

Wings of birds and forelimbs of horse areorgans

A

Analogous

B

Homologus

C

Vestigial

D

None of these

Question 99: Palette 99/396

Errorless NCERT; AIIMS 2008 MCQ

Appearance of ancestral characters in the new borns, such as tail, monstral face, gill slits, multiple mammae etc. are known as Or Presence of tail in a child is an example of [NCERT; AIIMS 2004, 08; MP PMT 2007; BHU 2012]

A

Homologous

B

Analogous

C

Atavism

D

Vestigeal

Question 100: Palette 100/396

Errorless CBSE PMT 2008; CBSE PMT (Pre.) 2010; MH CET 2015 MCQ

Darwin's Finches are an excellent example of

A

Brood parasitism

B

Connecting links

C

Adaptive radiation

D

Seasonal migration

Question 101: Palette 101/396

Errorless Kerala PMT 2008 MCQ

Hardy-Weinberg equilibrium is known to be affected by gene flow, genetic drift, mutation, genetic recombination and

A

Evolution

B

Limiting factors

C

Saltation

D

Natural selection

E

Over production

Question 102: Palette 102/396

Errorless Kerala PMT 2008 MCQ

Industrial melanism was highlighted by

A

Mimosa pudica

B

Triticum aestivum

C

Biston betularia

D

Rock python

E

Polar bear

Question 103: Palette 103/396

Errorless J & K CET 2008; Kerala PMT 2011 MCQ

The brain capacity of Homo erectus was

A

800 to 1300 cc

B

1650 cc

C

650 cc

D

1400 cc

Question 104: Palette 104/396

Errorless AF Or Which of the primate is the closest relative of man [AFMC 2008 MCQ

'Peking man' is known as

A

Australopithecus

B

Sinanthropus

C

Pithecanthropus

D

Homo sapiens

Question 105: Palette 105/396

Errorless MP PMT 2007 MCQ

Hot dilute soup was given by

A

Oparin

B

Haldane

C

Urey

D

None of these

Question 106: Palette 106/396

Errorless MP PMT 2007 MCQ

Gases found in primitive atmospheres are

A

$C H _ { 4 } , N H _ { 3 } , H _ { 2 } , H _ { 2 } O$ (Vapour form)

B

$C H _ { 4 } , N H _ { 3 } , C O _ { 2 } , H _ { 2 } O$

C

$C H _ { 4 } , H _ { 2 } O , C O _ { 2 }$

D

$C H _ { 4 } , O _ { 2 } , C O _ { 2 }$

Question 107: Palette 107/396

Errorless KCET 2007 MCQ

The idea of Natural Selection as the fundamental process of evolutionary changes was reached

A

By Alfred Russel Wallace in 1901

B

Independently by Charles Darwin and Alfred Russel Wallace in 1859

C

Independently by Charles Darwin and Alfred Russel Wallace in 1900

D

By Charles Darwin in 1866

Question 108: Palette 108/396

Errorless CBSE PMT 2007 MCQ

Select the correct statement from the following

A

Darwinian variations are small and directionless

B

Fitness is the end result of the ability to adapt and gets selected by nature

C

All mammals except whales and camels have seven cervical vertebrae

D

Mutations are random and directional

Question 109: Palette 109/396

Errorless CBSE PMT 2007 MCQ

The concept of chemical evolution is based on

A

Crystallization of chemicals

B

Interaction of water, air and clay under intense heat

C

Effect of solar radiation on chemicals

D

Possible origin of life by combination of chemicals under suitable environmental conditions

Question 110: Palette 110/396

Errorless DPMT 2007 MCQ

Coacervates are

A

Protobionts having polysaccharide + protein + H2O

B

Protein aggregate

C

Protein and lipid aggregates

D

None of these

Question 111: Palette 111/396

Errorless CBSE PMT 2007; J & K CET 2008 MCQ

One of the important consequences of geographical isolation is

A

No change in the isolated fauna

B

Preventing Speciation

C

Speciation through reproductive isolation

D

Random creation of new species

Question 112: Palette 112/396

Errorless CBSE PMT 2007 MCQ

The humming bird, hawk and the humming moth illustrate Or What is common to whale seal and shark

A

Adaptive radiation

B

Homology

C

Convergent evolution

D

Divergent evolution

Question 113: Palette 113/396

Errorless DPMT 2007; CBSE PMT 2008; Kerala PMT 2011 MCQ

Tendril of Cucurbita & throns of Bougainvillea are

A

Vestigial organ

B

Analogous organ

C

Homologous organ

D

None of these

Question 114: Palette 114/396

Errorless MP PMT 2007 MCQ

Fossil found in Mandla district of MP is

A

260 million years old

B

100 million years old

C

50 million years old

D

20 million years old

Question 115: Palette 115/396

Errorless CBSE PMT 2007 MCQ

Among the human ancestors the brain size was more than 1000 CC in

A

Homo neanderthalensis

B

Homo erectus

C

Ramapithecus

D

Homo babilis

Question 116: Palette 116/396

Errorless CBSE PMT 2007 MCQ

Some of the important evidences of organic evolution are

A

Occurrence of homologous and vestigeal organs

B

Occurrene of analogous and vestigeal organs

C

Occurrence of homologous and analogous organs

D

Occurrence of analogous organs only

Question 117: Palette 117/396

Errorless Kerala PMT 2007 MCQ

Select the wrong pair 23. Select the wrong pair [Kerala P

A

Haldane Hot dilute soup

B

Oparin Protobiont

C

Fox Coacervates

D

Spallanzani Abiogenesis

E

Francisco Redi Biogenesis

Question 118: Palette 118/396

Errorless NCERT;CBSE PMT 2006 MCQ

Which one of the following amino-acids was not found to be synthesized in Miller's experiment

A

Glutamic acid

B

Alanine

C

Glycine

D

Aspartic acid

Question 119: Palette 119/396

Errorless DPMT 2006 MCQ

Theory of catastropism was supported by

A

Louis Pasteur

B

A.I. Oparin

C

Cuvier

D

Haldane

Question 120: Palette 120/396

Errorless DPMT 2006 MCQ

Inclusive fitness theory is proposed by

A

Darwin

B

Lamarck

C

Weismann

D

Hamilton

Question 121: Palette 121/396

Errorless CBSE PMT 2006 MCQ

Which one of the following is not a living fossil

A

Archaeopteryx

B

Peripatus

C

King crab

D

Sphenodon

Question 122: Palette 122/396

Errorless CBSE PMT 2006 MCQ

Jurassic period of the Mesozoic era is characterised by

A

Dinosaurs become extinct and angiosperms appear

B

Flowering plants and first dinosaurs appear

C

Gymnosperms are dominant plants and first birds appear

D

Radiation of reptiles and origin of mammal-like reptiles

Question 123: Palette 123/396

Errorless RPMT 2006 MCQ

Vestigeal organ in human being is

A

Incisor

B

Canines

C

Molar

D

Premolar

Question 124: Palette 124/396

Errorless AFMC 2006 MCQ

There is more competition for survival between

A

Same animals of same niche

B

Different animals of same niche

C

Same animals of different niche

D

Different animals of different niche

Question 125: Palette 125/396

Errorless MP PMT 2006 MCQ

Island (continent) where largest number of human fossils have been discovered [NCERT Pg. No. 125]

A

Europe

B

Africa

C

America

D

Asia

Question 126: Palette 126/396

Errorless Kerala PMT 2006 MCQ

Major radiation of mammals birds and pollinating insects took place in which epoch

A

Oligocene

B

Eocene

C

Pliocene

D

Paleocene

E

Miocene

Question 127: Palette 127/396

Errorless DPMT 2006; AIIMS 2010 MCQ

Hardy and weinberg principle explains

A

Genetic equilibrium

B

Non random mating

C

Evolutionary force

D

All of the above

Question 128: Palette 128/396

Errorless J & K CET 2005 MCQ

Stanley Miller proposed origin of life by

A

Chemical synthesis

B

Abiogenesis

C

Biogenesis

D

None of these

Question 129: Palette 129/396

Errorless CBSE PMT 2005 MCQ

Which one of the following experiments suggests that simplest living organisms could not have originated spontaneously from non-living matter

A

Larvae could appear in decaying organic matter

B

Microbes did not appear in stored meat

C

Microbes appeared from unsterilized organic matter

D

Meat was not spoiled, when heated and kept sealed in a vessel

Question 130: Palette 130/396

Errorless NCERT; Manipal 2005 MCQ

First cell produced on earth is

A

Protobiont

B

Protozoa

C

Metazoa

D

None of these

Question 131: Palette 131/396

Errorless J & K CET 2005 MCQ

The idea that life originates from pre-existing life is referred as

A

Biogenesis theory

B

Special creation theroy

C

Abiogenesis theory

D

Extraterrestrial theory

Question 132: Palette 132/396

Errorless RPMT 2005 MCQ

According to one of the most accepted theory the earth atmosphere before any life had originated consisted of $H _ { 2 } O , H _ { 2 } , N H _ { 2 }$ and

A

$C H _ { 4 }$

B

$O _ { 2 }$

C

$N _ { 2 }$

D

None of these

Question 133: Palette 133/396

Errorless CPMT 2005, 09; Kerala PMT 2007 MCQ

Which one of the following groups are not analogous organs

A

Wings of birds and wings of butterfly

B

Eye of octopus and eye of mammals

C

Flippers of penguin and flippers of dolphin

D

Thorns of bougainvilla and tendril of Cucurbita

E

Tuberous root of sweet potato and stem tuber of potato

Question 134: Palette 134/396

Errorless CPMT 2005; NEET (Phase-I) 2016 MCQ

Analogous structures are a result of

A

Divergent evolution

B

Convergent evolution

C

Shared ancestry

D

Stabilizing selection

Question 135: Palette 135/396

Errorless NCERT; AFMC 2005 MCQ

The idea of "survival of the fittest" was given by

A

Darwin

B

Herbert Spencer

C

Malthus

D

Lyell

Question 136: Palette 136/396

Errorless CBSE PMT 2005 MCQ

One of the following phenomena supports Darwin's concept of natural selection in organic evolution

A

Development of transgenic animals

B

Production of 'Dolly', the sheep by cloning

C

Prevalence of pesticide resistant insects

D

Development of organs from 'stem cells' for organ transplantation

Question 137: Palette 137/396

Errorless Odisha JEE 2005 MCQ

The modern man evolved

A

10,000 years ago

B

25,000 years ago

C

2,50,000 years ago

D

5,00,000 years ago

Question 138: Palette 138/396

Errorless CBSE PMT 2005 MCQ

There are two opposing views about origin of modern man. According to one view Homo erectus in Asia were the ancestors of modern man. A study of variation of DNA however suggested African origin of modern man. What kind of observation on DNA variation could suggest this

A

Greater variation in Asia than in Africa

B

Greater variation in Africa than in Asia

C

Similar variation in Africa and Asia

D

Variation only in Asia and no variation in Africa

Question 139: Palette 139/396

Errorless BHU 2005 MCQ

Which of the following was expert in making tools, weapons, paintings etc Who drew excellent pictures of animals in caves, made tools, curved ornaments from ivory stone arrows etc [MP PMT 1994]

A

Java ape man

B

Peking man

C

Cro-Magnon man

D

Rhodesian man

Question 140: Palette 140/396

Errorless AIIMS 2005, 08 MCQ

Assertion : Human ancestors never used their tails and so the tails expressing gene has disappeared in them. Reason: Lamarck's theory of evolution is popularly called theory of continuity of germ plasm.

A

If both assertion and reason are true and the reason is the correct explanation of the assertion.

B

If both assertion and reason are true but reason is not the correct explanation of the assertion.

C

If assertion is true but reason is false.

D

If the assertion and reason both are false.

E

If assertion is false but reason is true.

Question 141: Palette 141/396

Errorless AlIMS 2005 MCQ

Assertion : Comparative biochemistry provides a strong evidence in favour of common ancestry of living beings. Reason: Genetic code is universal.

A

If both assertion and reason are true and the reason is the correct explanation of the assertion.

B

If both assertion and reason are true but reason is not the correct explanation of the assertion.

C

If assertion is true but reason is false.

D

If the assertion and reason both are false.

E

If assertion is false but reason is true.

Question 142: Palette 142/396

Errorless AIIMS 2005 MCQ

Assertion: Darwin's finches show a variety of beaks suited for eating large seeds, flying insects and cactus seeds. Reason: Ancestral seed-eating stock of Darwin's finches radiated out from South American mainland to different geographical areas of the Galapagos Islands, where they found competitor-free new habitats.

A

If both assertion and reason are true and the reason is the correct explanation of the assertion.

B

If both assertion and reason are true but reason is not the correct explanation of the assertion.

C

If assertion is true but reason is false.

D

If the assertion and reason both are false.

E

If assertion is false but reason is true.

Question 143: Palette 143/396

Errorless NCERT; KCET 2004 MCQ

Coacervates were experimentally produced by

A

Urey and Miller

B

Jacob and Monod

C

Fischer and Huxley

D

Sidney Fox and Oparin

Question 144: Palette 144/396

Errorless Kerala CET 2004 MCQ

The diagram represents Miller's experiment. Choose the correct combination of labelling

A

A-electrodes, B- $N H _ { 3 } + H _ { 2 } + H _ { 2 } O + C H _ { 4 }$ , C-cold water, D-vacuum, E-U trap

B

A-electrodes, B- $N H _ { 4 } + H _ { 2 } + C O _ { 2 } + C H _ { 3 }$ , C-hot water, D-vacuum, E-U trap

C

A-electrodes, B- $N H _ { 3 } + H _ { 2 } O$ , C-hot water, D-tap, E-U trap

D

A-electrodes, B- $N H _ { 3 } + H _ { 2 } + H _ { 2 } O + C H _ { 4 }$ , C-steam, Dvacuum, E-U trap

Question 145: Palette 145/396

Errorless BHU 2004 MCQ

Which of the following variations are temporary and have nothing to do with the last or next generation

A

Hereditary variations

B

Discontinuous variations

C

Environmental variations

D

None of these

Question 146: Palette 146/396

Errorless Pb. PMT 2004 MCQ

Abiogenetic theory of origin states

A

Spontaneous generation

B

Organic evolution due to chemical reaction

C

Origin of life due to pre-existing organisms

D

Origin of life from blue green algae

Question 147: Palette 147/396

Errorless NCERT; Kerala PMT 2004 MCQ

Geographic and reproductive isolation are most closely associated with Or The origin of species from pre-existing species is [J & K CET 2002]

A

Speciation

B

Extinction

C

Over production

D

Competition

E

Succession

Question 148: Palette 148/396

Errorless DPMT 2004; MP PMT 2009; AFMC 2010 MCQ

Connecting link between annelida and mollusca is

A

Neopilina

B

Nautilus

C

Glochidium larva

D

Veliger larva

Question 149: Palette 149/396

Errorless NCERT; CBSE PMT 2004; AIIMS 2007 MCQ

Age of fossils in the past was generally determined by radiocarbon method and other methods involving radioactive elements found in the rocks. More precise methods, which were used recently and led to the revision of the evolutionary periods for different groups of organisms, includes

A

Electron spin resonance (ESR) and fossil DNA

B

Study of carbohydrates/proteins in rocks

C

Study of carbohydrates/proteins in fossils

D

Study of conditions of fossilization

Question 150: Palette 150/396

Errorless CBSE PMT 2004 MCQ

Presence of gills in the tadpole of frog indicates that

A

Frogs will have gills in future

B

Frogs evolved from gilled ancestors

C

Fishes were amphibious in the past

D

Fishes evolved from frog-like ancestors

Question 151: Palette 151/396

Errorless MP PMT 2004 MCQ

Distribution in space is called

A

Geological distribution

B

Geographical distribution

C

Zoological distribution

D

Cosmos distribution

Question 152: Palette 152/396

Errorless MP PMT 2004 MCQ

Being all mammals, whale, dolphins, bat, monkey and horse have some common characters but they also show conspicuous differences. This is due to phenomenon of

A

Normalisation

B

Genetic drift

C

Convergence

D

Divergence

Question 153: Palette 153/396

Errorless MHCET 2004 MCQ

Which is not true of Archaeopteryx

A

Jaws are modified into beak

B

Tail is bony and long

C

Fore limbs are modified into wings

D

Connecting link between birds and mammals

Question 154: Palette 154/396

Errorless Odisha JEE 2004 MCQ

Which is incorrect

A

Wings of insects and birds are analogous

B

Wings of insects and bats are analogous

C

Wings of insects and birds are homologous

D

Wings of bats and birds are homologous

Question 155: Palette 155/396

Errorless DPMT 2004 MCQ

Fossils are studied for

A

Tracing evolutionary history of organisms

B

Studying extinct organisms

C

Providing jobs to scientist

D

Both 'a' and 'b'

Question 156: Palette 156/396

Errorless MHCET 2004 MCQ

Neo-Darwinism is

A

Natural selection theory

B

Modern mutation theory

C

Modern synthetic theory

D

Population theory

Question 157: Palette 157/396

Errorless NCERT; MHCET 2004 MCQ

Prodigality of reproduction in darwinism refers to

A

Every organism produces numerous offspring

B

Successful organism produce numerous offspring

C

Only a few individuals are able to reproduce

D

Only a few individuals are able to survive

Question 158: Palette 158/396

Errorless Odisha JEE 2004 MCQ

According to Darwinism fossils of organisms found in south America resembles most, the fossils of

A

North America

B

Africa

C

Australia

D

Both a and b

Question 159: Palette 159/396

Errorless Pb. PMT 2004; AIEEE Pharmacy 2004; CBSE PMT 2000, 07; AFMC 2009 MCQ

Darwin's finches discovered from the Galapagos island provide evidence infavour of

A

Camouflage

B

Mimicry

C

Biogeographical evidence of evolution

D

Seasonal migration

Question 160: Palette 160/396

Errorless MHCET 2004 MCQ

Anthropometry is useful in the study of

A

Human evolution

B

Human habits

C

Human nature

D

Human brains

Question 161: Palette 161/396

Errorless MP PMT 2004 MCQ

Which of the following stood erect first Or The extinct human ancestor, who ate only fruits and hunted with stone weapons was [AIIMS 2012]

A

Java man

B

Peking man

C

Australopithecus

D

Cro-Magnon man

Question 162: Palette 162/396

Errorless Odisha JEE 2004 MCQ

In evolution......evolved 1st time in annelida

A

Cephlaization

B

True coelome

C

Bilateral symmetry

D

Triploblastic nature

Question 163: Palette 163/396

Errorless BHU 2004 MCQ

The modern man differs from the apes in

A

Protruding eyes

B

Spare body hair

C

Wearing of clothes

D

Arms shorter than legs

Question 164: Palette 164/396

Errorless BHU 2004 MCQ

The highest cranial capacity is/was present in

A

Java man

B

Peking man

C

Handy man

D

Modern man

Question 165: Palette 165/396

Errorless Pb. PMT 2004 MCQ

Fossils of Australopithecus were first found in

A

America

B

Australia

C

S. Africa

D

E. Africa

Question 166: Palette 166/396

Errorless Kerala PMT 2004 MCQ

Ancestors of mammals belongs to

A

Ornithischia

B

Therapsida

C

Silusidea

D

Chelonia

E

None of these

Question 167: Palette 167/396

Errorless MP PMT 2004 MCQ

Which of the following is more close to man

A

Pro-consul

B

Dryopithecus

C

Gibbon

D

Oranqutan

Question 168: Palette 168/396

Errorless CBSE PMT 2004 MCQ

Flagella of prokaryotic and eukaryotic cells differ in

A

Microtubular organization and type of movement

B

Microtubular organization and function

C

Type of movement and placement in cell

D

Location in cell and mode of unctioning

Question 169: Palette 169/396

Errorless AIIMS 2004, 08 MCQ

Assertion : Coacervates are believed to be the precursors of life. Reason:Coacervates were self-duplicating aggregates of proteins surrounded by lipid molecules.

A

If both assertion and reason are true and the reason is the correct explanation of the assertion.

B

If both assertion and reason are true but reason is not the correct explanation of the assertion.

C

If assertion is true but reason is false.

D

If the assertion and reason both are false.

E

If assertion is false but reason is true.

Question 170: Palette 170/396

Errorless AIIMS 2004 MCQ

Assertion: From evolutionary point of view, human gestation period is believed to be shortening. Reason: One major evolutionary trend in humans has been the larger head undergoing relatively faster growth rate in the foetal stage.

A

If both assertion and reason are true and the reason is the correct explanation of the assertion.

B

If both assertion and reason are true but reason is not the correct explanation of the assertion.

C

If assertion is true but reason is false.

D

If the assertion and reason both are false.

E

If assertion is false but reason is true.

Question 171: Palette 171/396

Errorless DPMT 2003; Kerala CET 2003 MCQ

The idea of spontaneous generation was first refuted by

A

L. Pasteur

B

L. Spallanzani

C

F. Redi

D

S.L. Miller

Question 172: Palette 172/396

Errorless NCERT; Kerala CET 2003 MCQ

Coacervates are

A

Colloid droplets

B

Contain nucleoprotein

C

Both

D

Protobiont

Question 173: Palette 173/396

Errorless BVP 2003 MCQ

'Genetic species concept' was given by

A

Lamarck

B

Lotsy

C

Ernst Mayr

D

Linnaeus

Question 174: Palette 174/396

Errorless DPMT 2003; MHCET 2003 MCQ

Biological species concept emphasizes on

A

Geographical isolation

B

Reproductive isolation

C

Physiological isolation

D

None of these

Question 175: Palette 175/396

Errorless NCERT; DPMT 2003; BVP 2004; Odisha JEE 2008 MCQ

Which is basis of evolution

A

Cell

B

Individual

C

Population

D

Species

Question 176: Palette 176/396

Errorless MH CET 2003; MP PMT 2004; AIEEE (Pharmacy) 2004; NEET (Phase-I) 2016 MCQ

Homologous organs are

A

Leg of man, leg of horse, wing of bat

B

Hand of man, tail of horse, wing of bat

C

Hand of man, forelimb of horse, wing of bat, whale's flippers

D

Head of man, leg of horse, wing of bat

Question 177: Palette 177/396

Errorless Kerala CET 2003 MCQ

Which one is not a vestigeal organ

A

Wings of Kiwi

B

Coccyx in man

C

Pelvic girdle of Python

D

Flipper of seal

Question 178: Palette 178/396

Errorless NCERT; CBSE PMT 2003 MCQ

Convergent evolution is illustrated by

A

Dogfish and whale

B

Rat and dog

C

Bacterium and protozoan

D

Starfish and cuttle fish

Question 179: Palette 179/396

Errorless CPMT 2003; J & K CET 2003 MCQ

Darwin gave the theory of evolution was based on

A

Survival of the fittest

B

Natural selection

C

Mutation

D

Descent with modifications

Question 180: Palette 180/396

Errorless MP PMT 2003 MCQ

The correct meaning of natural selection is

A

Loss of uncompetant

B

Survival of the fittest

C

Variation

D

Struggle for existence

Question 181: Palette 181/396

Errorless CBSE PMT 2003 MCQ

Darwin in his 'Natural Selection Theory' did not believe in any role of which one of the following in organic evolution

A

Discontinuous variations

B

Parasites, predators and natural enemies

C

Survival of the fittest

D

Struggle for existence

Question 182: Palette 182/396

Errorless CBSE PMT 2003; DUMET 2009 MCQ

Industrial melanism is an example of

A

Defensive adaptation of skin against ultraviolet radiations

B

Drug resistance

C

Darkening of skin due to smoke from industries

D

Protective resemblance with the surrounding

Question 183: Palette 183/396

Errorless CBSE PMT 2003 MCQ

In recent years, DNA sequences (nucleotide sequence) of mt-DNA and Y chromosomes were considered for the study of human evolution, because

A

They can be studied from the samples of fossil remains

B

They are small, and therefore, easy to study

C

They are uniparental in origin and do not take part in recombination

D

Their structure is known in greater detail

Question 184: Palette 184/396

Errorless AIIMS 2003 MCQ

The early stage human embryo distinctly possesses

A

Gills

B

Gill slits

C

External ear (Pinna)

D

Eye brows

Question 185: Palette 185/396

Errorless Odisha JEE 2002 MCQ

Finding of miller's experiment on origin of life has provided evidence for the

A

Theory of special creation

B

Theory of organic evolution

C

Theory of biogenesis

D

Theory of abiogenesis

Question 186: Palette 186/396

Errorless BVP 2002 MCQ

Which of the following are homologus organs

A

Wings of Birds and Locust

B

Wings of Bat and Butterfly

C

Leg of Cockroach and Frog

D

Wings of Birds and pectoral fins of Fish

Question 187: Palette 187/396

Errorless BHU 2002 MCQ

Ancestral amphibians were tetrapods that evolved during

A

Jurassic period

B

Cretaceous period

C

Devonian period

D

Carboniferous period

Question 188: Palette 188/396

Errorless MP PMT 2002 MCQ

Archeopteryx, a transitional fossil between birds and reptiles was discovered from the rocks of following period

A

Jurassic

B

Archeozoic era

C

Cretaceous

D

Triassic

Question 189: Palette 189/396

Errorless J & K CET 2002; NEET (Karnataka) 2013; MH CET 2015 MCQ

The dinosaurs were maximum during the period of

A

Jurassic (Mesozoic)

B

Triassic

C

Cretaceous

D

Palaeocene

Question 190: Palette 190/396

Errorless NCERT; CPMT 2002; Haryana PMT 2005; RPMT 2005; BHU 2012 MCQ

"Origin of Species" was published in

A

1809

B

1858

C

1956

D

1859

Question 191: Palette 191/396

Errorless MH CET 2002, 04 MCQ

The fossils of Cro-Magnon were found in

A

Algeria – In ternifine deposits

B

Germany -In ravines

C

France – Rock shelters

D

Africa – Olduvi

Question 192: Palette 192/396

Errorless CBSE PMT 2002 MCQ

Evolution of man took place in Or Geological evidence for most primitive mammal is found in

A

Central Africa

B

Central Asia

C

Australia

D

America

Question 193: Palette 193/396

Errorless CBSE PMT 2002 MCQ

Organisms which obtain energy by the oxidation of reduced inorganic compounds are called

A

Saprozoic

B

Chemoautotrophs

C

Photoautotrophs

D

Coproheterotroph

Question 194: Palette 194/396

Errorless AFMC 2002 MCQ

Species is

A

Population of individuals having same genotypes and phenotypes

B

A group of individuals inhabiting a geographical area

C

A group of interbreeding populations

D

Population of one type

Question 195: Palette 195/396

Errorless Odisha PMT 2002 MCQ

In case of evolution which of the following statement is not correct

A

Fossilized animals provide important information to trace evolution

B

Wing of birds and forelimbs of cows are homologous

C

In higher animals early development stages are similar

D

Variation among individuals are not important in natural selection

Question 196: Palette 196/396

Errorless BVP 2001 MCQ

Big bang theory was proposed by

A

Kant

B

Lemaitre

C

K. Bahadur

D

Weismann

Question 197: Palette 197/396

Errorless BHU 2001; CPMT 2002; J & K CET 2002; RPMT 2005; DUMET 2009 MCQ

Abiogenesis means

A

Origin of life from non-living organisms

B

Origin of life from living organisms

C

Origin of viruses and microbes

D

None of these

Question 198: Palette 198/396

Errorless KCET 2001; CPMT 2003 MCQ

The spark-discharge apparatus to test chemical evolution of life was designed by

A

Oparin and Haldane

B

Miller and Urey

C

Jacob and Monod

D

Dixon and Jolly

Question 199: Palette 199/396

Errorless MP PMT 2001 MCQ

Goldschmidt has classified evolution into micro, macro, and mega evolution. Which one of the following is referred to as micro-evolution

A

Evolution at variety level

B

Evolution at sub species level

C

Evolution at species and genus level

D

Evolution at family level

Question 200: Palette 200/396

Errorless KCET 2001 MCQ

The pioneers in the field of 'organic evolution' are

A

Karl landsteiner, Hugo de Vries, Malthus

B

Darwin, Hugo de Vries, Lamarck, Huxley

C

Lamarck, Karl landsteiner, Malthus, deVries

D

Darwin, Lamarck, Karl landsteiner, deVries

Question 201: Palette 201/396

Errorless MHCET 2001; BCECE 2005; J & K CET 2005; Odisha JEE 2011; MP PMT 2012 MCQ

Theory of natural selection was proposed by [NCERT Pg. No. 118]

A

Darwin

B

Lamarck

C

De Vries

D

Theonhrastus

Question 202: Palette 202/396

Errorless CBSE PMT 2001 MCQ

Which of the following is the correct order of evolutionary history of man

A

Peking man, heidel berg man, neanderthal, cro-magnon

B

Peking man, homosapiens, cro-magnon, neanderthal

C

Peking man, neanderthal, homosapiens, heidelberg,

D

Peking man. cro-maonon homosaniens

Question 203: Palette 203/396

Errorless AIIMS 2001 MCQ

Largest cranial capacity was found in Or Which primitive man resembles with modern man [CPMT 1995]

A

Neanderthal man

B

Cro-Magnon man

C

Java ape man

D

Pekinσ man

Question 204: Palette 204/396

Errorless CPMT 2001; MP PMT 2001; BVP 2003; BHU 2003 MCQ

If you go back in the history approx. 4500 million years back when atmosphere was reducing the organism were

A

Autotroph, aerobic

B

Chemo-autotroph, anaerobic

C

Chemo-heterotroph, anaerobic

D

Heterotroph, anaerobic

Question 205: Palette 205/396

Errorless AIIMS 2001 MCQ

Adaptation of a species is its

A

Ecdysis

B

Metamorphosis

C

Acquired character

D

Hereditary character

Question 206: Palette 206/396

Errorless MP PMT 2001 MCQ

Which one of the following sets represents the correct sequence of the evolution of man

A

Kenyapithecus - Australopithecus - Homo habilis - Pithecanthropus - Homo sapiens

B

Kenyapithecus - Australopithecus - Pithecanthropus - Homo habilis - Homo sapiens

C

Australopithecus - Kenyapithecus - Homo habilis - Pithecanthropus - Homo sapiens

D

Pithecanthropus - Australopithecus, Kenyapithecus - Homo habilis - Homo sapiens

Question 207: Palette 207/396

Errorless Pb. PMT 2000 MCQ

Theory of special creation was given by

A

Weismann

B

Helmont

C

Manpertuis

D

Father Saurez

Question 208: Palette 208/396

Errorless CBSE PMT 2000; J & K CET 2002; BHU 2004 MCQ

Which of the following is not vestigeal in human

A

Coccyx

B

Nail

C

Third molar

D

Abdomen

Question 209: Palette 209/396

Errorless NCERT: MP PMT 2000; CBSE PMT 2008 MCQ

Which one of the following in birds, indicates their reptilian ancestry

A

Two special chambers crop and gizzard in their digestive tract

B

Eggs with a calcareous shell

C

Scales on their hind limbs

D

Four chambered heart

Question 210: Palette 210/396

Errorless CPMT 2000; DPMT 2004: J & K CET 2010; MP PMT 2011 MCQ

Organs that have different embryonic origin but perform similar functions are [NCERT Pg. No. 115]

A

Homologous organs

B

Analogous organs

C

Vestigeal organs

D

Atavism

Question 211: Palette 211/396

Errorless MP PMT 2000; CPMT 2009 MCQ

A living connective link which provides evidence for organic evolution

A

Archaeopteryx between reptiles and mammals

B

Lung fish between pisces and reptiles

C

Duck bill platypus between reptiles and mammals

D

Sphenodon between reptiles and birds

Question 212: Palette 212/396

Errorless MP PMT 2000, 09; WB JEE 2009 MCQ

Ancestor of man who first exhibited bipedal gait

A

Australopithecus

B

Cro-Magnon man

C

Java ape man

D

Peking man

Question 213: Palette 213/396

Errorless AFMC 2000 MCQ

Which of the following has the lowest cranial capacity

A

Gorilla

B

Chimpanzee

C

Modern man

D

Java ape man

Question 214: Palette 214/396

Errorless MHCET 2000 MCQ

Man was originated in which of the following era

A

Paleocene

B

Pliocene

C

Miocene

D

Devonian

Question 215: Palette 215/396

Errorless AIIMS 2000; MHCET 2004 MCQ

Which of the following was the transitional stage (connective link) between apes and humans

A

Homo habilis

B

Homo erectus

C

Australopithecus ramidus

D

Australopithecus africanus

Question 216: Palette 216/396

Errorless RPMT 2000 MCQ

Which one of the following character differentiate man from other mammals

A

Superior Intelligence

B

Power of speech

C

Social life

D

Greater cranial canacitu

Question 217: Palette 217/396

Errorless Pb. PMT 2000; Kerala PMT 2004; CPMT 2010 MCQ

Correct sequence of stages in the evolution of the modern man, (Homo sapiens), is

A

Neanderthal man, Australopithecus, Cro-magnon man, Homo erectus, modern man

B

Australopithecus, Homo erectus, Neanderthal man, Cro- man, modern man

C

Homo erectus, Australopithecus, Neanderthal man, Cromagnon man, modern man

D

Australopithecus, Neanderthal man, Cro-magnon man, Homo erectus, modern man

Question 218: Palette 218/396

Errorless Kerala PMT 2000 MCQ

The statement 'Nothing in biology makes sense except in the light of evolution' was given by

A

A.I. Oparin

B

Th. Dobzhansky

C

Joseph Hooker

D

Charles Darwin

Question 219: Palette 219/396

Errorless CPMT 1999; DUMET 2010 MCQ

About how long ago was the earth formed

A

4.6 billion years ago

B

10 billion years ago

C

3.0 billion years ago

D

20 billion years ago

Question 220: Palette 220/396

Errorless MP PMT 1999; Pb. PMT 2000 MCQ

Under certain conditions scientists have obtained cell-like structures. These are known as

A

Microbes

B

Protists

C

Coacervates

D

Prebiotic soup

Question 221: Palette 221/396

Errorless CPMT 1999; JIPMER 2001 MCQ

Chemical theory of origin of life was given by Or Who proposed that the first form of life could have come from pri-existing non living organic molecules [Kerala PMT 2011]

A

Stanley Miller

B

Oparin and Haldane

C

Louis Pasteur

D

Spallanzani

Question 222: Palette 222/396

Errorless NCERT; BHU 1999; AFMC 1999; CPMT 2002; RPMT 2005 MCQ

There was no life in

A

Azoic era

B

Mesozoic era

C

Palaeozoic era

D

Cenozoic era

Question 223: Palette 223/396

Errorless RPMT 1999 MCQ

The life begins above which level

A

Molecule

B

Amino acid

C

Mixture

D

Compound

Question 224: Palette 224/396

Errorless KCET 1999 MCQ

The existence of marsupials in Australia and New Zealand prove

A

Genetic drift

B

Geological period

C

Continental drift

D

Both

Question 225: Palette 225/396

Errorless BHU 1999 MCQ

Which of the following is related with reproductive isolation

A

Genetic isolation

B

Temporal isolation

C

Behavioural isolation

D

All of these

Question 226: Palette 226/396

Errorless CBSE PMT 1999 MCQ

Which of the following are homologous organs

A

Wings of bird and wings of insect

B

Wings of bat and wings of cockroach

C

Wings of bird and hands of human

D

Nails of human being and claws in animals

Question 227: Palette 227/396

Errorless AIIMS 1999; VITEEE 2008 MCQ

Wings of pigeon, mosquito and bat show

A

Atavism

B

Mutation

C

Divergent evolution

D

Convergent evolution

Question 228: Palette 228/396

Errorless Pb. PMT 1999 MCQ

Development of patagia in animals is an

A

Cave adaptation

B

Volant adaptation

C

Aquatic adaptation

D

Arboreal adaptation

Question 229: Palette 229/396

Errorless Pb. PMT 1999; MP PMT 2002 MCQ

Development of unrelated groups of animals along parallel lines in adaptation to a similar environment is called

A

Adaptive convergence

B

Adaptive radiation

C

Adaptive divergence

D

Adaptive induction

Question 230: Palette 230/396

Errorless CPMT 1999 MCQ

In Homo habilis, 'habilis' refers to

A

Wandering species

B

Ancient man

C

Modern man

D

Tool maker

Question 231: Palette 231/396

Errorless CPMT 1999; JIPMER 2001; WB JEE 2011 MCQ

Which of the following is the most primitive ancestor of man Or The primate which existed 15 mya among these was [Kerala PMT 2010] Or Which fossil man has been known from Shivalik hills in India [BVP 2003; MH CET 2003; Odisha JEE 2005]

A

Australopithecus

B

Ramapithecus

C

Homo habilis

D

Homo neanderthalensis

Question 232: Palette 232/396

Errorless CPMT 1999; MH CET 2000; BHU 2004 MCQ

Trilobites were evolved during which of the following period

A

Salvian

B

Cambrian

C

Ordovician

D

Pre-cambrian

Question 233: Palette 233/396

Errorless NCERT; MP PMT 1998, 99 MCQ

The presence of salts (NaCl and others) in animal body fluid gives an inference that life originated in the

A

Salt solutions

B

Rain water

C

Primitive ocean

D

None of the above

Question 234: Palette 234/396

Errorless MP PMT 1998, 2003 MCQ

As per modern synthetic theory organic evolution depends upon

A

Mutation, reproductive isolation and natural selection

B

Gene recombination and natural selection

C

Mutation and natural selection

D

All of these

Question 235: Palette 235/396

Errorless NCERT; MP PMT 1998 MCQ

Which one of the following scientists is not related with organic evolution

A

Erasmus Darwin

B

Charles Darwin

C

Darlington

D

T.R. Malthus

Question 236: Palette 236/396

Errorless EAMCET 1998 MCQ

The example of recapitulation theory is

A

Embryonic membranes of reptiles

B

Tadpole larva of frog

C

Placenta of mammals

D

Canine teeth of dog

Question 237: Palette 237/396

Errorless Pune CET 1998 MCQ

The importance of random accumulation of small genetic changes sufficient to explain evolution

A

Haeckel

B

Mayr

C

Darwin

D

Lamarck

Question 238: Palette 238/396

Errorless Pune CET 1998 MCQ

The principle of organic evolution envisages

A

No change in complexity

B

Decreasing complexity

C

Increasing complexity

D

Drastic changes

Question 239: Palette 239/396

Errorless Pune CET 1998 MCQ

Radiations with successful adaptations in case of insects is a result of

A

Genetic divergence

B

Micro-evolution

C

Macro-evolution

D

Mega-evolution

Question 240: Palette 240/396

Errorless NCERT; CPMT 1998 MCQ

What is evolution

A

Development of DNA from nucleotides

B

Development of organism through time

C

Development of a cell from chemicals

D

None of these

Question 241: Palette 241/396

Errorless CPMT 1998; MP PMT 1999; DPMT 2006 MCQ

Examples of vestigial organs in the human body are

A

Wisdom tooth, coccyx, vermiform appendix, nail

B

Coccyx,wisdom tooth

C

Coccyx, vermiform appendix, wisdom tooth, pancrease

D

Auricular muscles, coccyx, nail, wisdom tooth

Question 242: Palette 242/396

Errorless MP PMT 1998, 2002; DPMT 2003; BVP 2004; Odisha JEE 2010 MCQ

The wings of an insect and a bat exhibit

A

Homology

B

Analogy

C

Atavism

D

Connecting link

Question 243: Palette 243/396

Errorless Pune CET 1998 MCQ

Deviation of homologues are caused by

A

Time consequence along

B

Gradual changes in structure

C

Drastic changes in structure

D

No changes in basic structure

Question 244: Palette 244/396

Errorless CPMT 1998; BVP 2004 MCQ

Which one of the following is a living fossil

A

Sphenodon

B

Heloderma

C

Rabbit

D

Frog

Question 245: Palette 245/396

Errorless CPMT 1998; MP PMT 1999, 2001; BVP 2001, 04; DPMT 2006 MCQ

Who gave the 'Theory of pangenesis' Or Who is related with 'Galapagos Island' [MP PMT 1994; AIIMS 1998]

A

Lamarck

B

Wallace

C

Haeckel

D

Darwin

Question 246: Palette 246/396

Errorless 1998 MCQ

In the case of peppered moth (Biston betularia) the blackcoloured form became dominant over the light-coloured form in England during industrial revolution. This is an example of [AIIMS 1998; CPMT 1999; JIPMER 2001;

A

Natural selection whereby the darker forms were selected

B

Appearance of the darker coloured individuals due of very poor sunlight

C

Protective mimicry

D

Inheritance of darker colour character acquired due to the darker environment

Question 247: Palette 247/396

Errorless Pune CET 1998; BVP 2003; Haryana PMT 2005 MCQ

Darwinian theory was unable to explain

A

The significance of minute variations

B

Presence of vestigeal or useless organs

C

The presence of over specialized organs

D

All of the above

Question 248: Palette 248/396

Errorless NCERT; CBSE PMT 1998 MCQ

The diversity in the type of beaks of finches adapted of different feeding habits on the Galapagos islands as observed by Darwin, provides evidence for

A

Origin of species by natural selection

B

Intraspecific variations

C

Intraspecific competition

D

Interspecific competition

Question 249: Palette 249/396

Errorless CBSE PMT 1998 MCQ

The age of the fossil of Dryopithecus on the geological time scale is

A

75×10⁶ years back

B

25×106 years back

C

2.5×10⁶ years back

D

50×106 years back

Question 250: Palette 250/396

Errorless CPMT 1998 MCQ

Cranial capacity of Neanderthal man is

A

1350-1500 cm³

B

1400-1450 cm³

C

915-1250 cm³

D

750–900 cm³

Question 251: Palette 251/396

Errorless CBSE PMT 1998 MCQ

Which one of the following statements is correct

A

Homo erectus is the ancestor of man

B

Cro-magnon man's fossil has been found in Ethiopia

C

Australopithecus is the real ancestor of modern man

D

Neanderthal man is the direct ancestor of Homo sapiens

Question 252: Palette 252/396

Errorless CBSE PMT 1998; AIIMS 2007 MCQ

In the developmental history of mammalian heart, it is observed that it passes through a two-chambered fish-like heart, three-chambered frog-like heart and finally fourchambered stage. To which hypothesis can this above cited statement be approximated

A

Biogenetic law

B

Hardy Weinberg law

C

Lamarck's principle

D

Mendelian principle

Question 253: Palette 253/396

Errorless AllMs 1998 MCQ

Assertion : We have lost all the direct evidences of origin of life. Reason: The person responsible to protect the evidences were not skilled.

A

If both assertion and reason are true and the reason is the correct explanation of the assertion.

B

If both assertion and reason are true but reason is not the correct explanation of the assertion.

C

If assertion is true but reason is false.

D

If the assertion and reason both are false.

E

If assertion is false but reason is true.

Question 254: Palette 254/396

Errorless MP PMT 1997 MCQ

'Origin of life' was written by

A

Darwin

B

Oparin

C

Gray

D

Smith

Question 255: Palette 255/396

Errorless MP PMT 1997 MCQ

Origin of life took place in/on

A

Water

B

Air

C

Mountains

D

Land

Question 256: Palette 256/396

Errorless CBSE PMT 1997 MCQ

Evolutionary convergence is characterized by

A

Development of characteristics by random mating

B

Replacement of common characteristics in different group

C

Development of dissimilar characteristics in closely related groups

D

Development of a common set of characteristics in group of different ancestry

Question 257: Palette 257/396

Errorless MP PMT 1997 MCQ

A species is produced by loss or disappearance of a few characters found in parents it is termed as

A

Progressive species

B

Retrogressive species

C

Successive species

D

Digressive species

Question 258: Palette 258/396

Errorless MP PMT 1997; Odisha JEE 2005 MCQ

Lamarckian theory deals with

A

Acquired characters

B

Germplasm

C

Struggle for existence

D

Mutation

Question 259: Palette 259/396

Errorless CBSE PMT 1997 MCQ

Common origin of man and chimpanzee is best shown by

A

Dental formula

B

Cranial capacity

C

Binocular vision

D

Chromosome number

Question 260: Palette 260/396

Errorless AFMC 1997; CPMT 2009 MCQ

The closest relative of modern man is considered to be

A

Chimpanzee

B

Orangutan

C

Apes

D

Gibbon

Question 261: Palette 261/396

Errorless CBSE PMT 1997 MCQ

Which one of the following statements is correct regarding evolution of mankind

A

Neanderthal man and Cro-Magnon man were living at the same time

B

Australopithecus was living in Australia

C

Homo erectus is preceded by Homo habilis

D

None of these

Question 262: Palette 262/396

Errorless KCET 1996, 2001; Kerala PMT 2003 MCQ

The scientist related with the over throw or the "Theory of spontaneous generation" and experiments with swan-necked flasks is

A

Von Helmont

B

Louis Pasteur

C

Miller

D

Haeckel

Question 263: Palette 263/396

Errorless CBSE PMT 1996; AIEEE Pharmacy 2004 MCQ

Which one of the following is the correct sequence of chemical substances produced during the origin of life on the earth

A

Water, amino acid, nucleic acid and enzyme

B

Glucose, amino acid, nucleic acid and protein

C

Amino acid, ammonium phosphate and nucleic acid

D

Ammonia, amino acid, protein and nucleic acid

Question 264: Palette 264/396

Errorless CBSE PMT 1996 MCQ

H.J. Muller was awarded Nobel Prize for

A

Discovering that ionising radiations can cause mutation

B

Gene mapping in Drosophila

C

Reduction in nuclear weapons

D

Discovered that chemicals can cause gene mutation

Question 265: Palette 265/396

Errorless CBSE PMT 1996, 2007; NEET 2013 MCQ

Evolution in which the animals of wo different gene ecology show too much similarity with one another, as a result of adaptation is termed as Or Similarity developed in distantly related groups as an adaptation to the same function is called

A

Parallel evolution

B

Retrogressive evolution

C

Progressive evolution

D

Convergent evolution

Question 266: Palette 266/396

Errorless MP PMT 1996; CBSE PMT 1997 MCQ

Mutations are mainly responsible for controlling

A

Increasing population rate

B

Maintaining genetic continuity

C

Variation in organisms

D

Extinction of organisms

Question 267: Palette 267/396

Errorless CPMT 1996 MCQ

Main basis of Neo-Darwinism is Or Initiating force of evolution is [MP PMT 2004]

A

Struggle for existence

B

Variations

C

Survival of the fittest

D

Gene theory

Question 268: Palette 268/396

Errorless CBSE PMT 1996 MCQ

Which one of the following is direct ancestor of modern man

A

Australopithecus

B

Ramapithecus

C

Homo erectus

D

Homo habilis

Question 269: Palette 269/396

Errorless CPMT 1996 MCQ

Homo sapiens originated how many years ago

A

About $1 \frac 1 2$ lakh years ago

B

About 2 lakh years ago

C

About $2 \frac 1 2$ lakh years ago

D

About 3 lakh years ago

Question 270: Palette 270/396

Errorless CBSE PMT 1995; MP PMT 2012 MCQ

Which era is dubbed as the age of prokaryotic microbes

A

Phanerozoic

B

Proterozoic

C

Precambrian

D

Archean

Question 271: Palette 271/396

Errorless CBSE PMT 1995 MCQ

The presence of gill slits in the embryos of all vertebrates supports the theory of

A

Recapitulation

B

Organic evolution

C

Metamorphosis

D

Biogenesis

Question 272: Palette 272/396

Errorless CBSE PMT 1995 MCQ

Which one of the following pairs is correctly matched

A

Streamlined body -Aquatic adaptation

B

Excessive perspiration-Xeric adaptation

C

Parasitism-Intra-specific relationship

D

Uricotelism-Aquatic habitat

Question 273: Palette 273/396

Errorless CPMT 1995; 2000; BHU 2006 MCQ

Which of the following is the most evident source of evolution

A

Fossils

B

Embryos

C

Morphology

D

Vestigeal organs

Question 274: Palette 274/396

Errorless NCERT; CPMT 1995 MCQ

Which of the following were abundant in mesozoic era Or Birds are evolved from [JIPMER 1994]

A

Mammals

B

Reptiles

C

Insects

D

Fishes

Question 275: Palette 275/396

Errorless NCERT; CBSE PMT 1995 MCQ

Two zoogeographical regions separated by high mountain ranges are

A

Palaearctic and Oriental

B

Oriental and Australian

C

Nearctic and Palaearctic

D

Neotropical and Ethiopian

Question 276: Palette 276/396

Errorless CPMT 1995, 99; BHU 1999; AFMC 2002; J & K CET 2008 MCQ

Which of the following is vestigeal organ in humans

A

Muscles of ear pinna

B

Nictitating membrane

C

Mammary glands in males

D

All of the above

Question 277: Palette 277/396

Errorless CPMT 1995; AFMC 2006 MCQ

According to the Neo-Darwinian theory, which of the following is responsible for the origin of new species

A

Mutations

B

Useful variations

C

Mutations together with natural selection

D

Hybridization

Question 278: Palette 278/396

Errorless CPMT 1995 MCQ

de Vries discarded the principle of

A

Darwin

B

Lamarck

C

Haeckel

D

Mendel

Question 279: Palette 279/396

Errorless MP PMT 1995 MCQ

Neanderthal man lived in

A

Desert

B

Deep forest

C

Mountains

D

Cave

Question 280: Palette 280/396

Errorless CPMT 1995 MCQ

'Homo erectus' is the zoological name of Or Thick skull, cranial capacity about 1075 c.c., low fore head, absence of chin and large canine were present in

A

Cro-Magnon man

B

Peking man

C

Nut cracker man

D

Neanderthal man

Question 281: Palette 281/396

Errorless BHU 1995 MCQ

Pithecanthropus erectus fossil was found in

A

China

B

Japan

C

Java

D

Texas

Question 282: Palette 282/396

Errorless CPMT 1995, 2009 MCQ

The prehistoric ancestor of man which existed during late pleistocene, is

A

Australopithecus

B

Zinjanthropus

C

Neanderthal man

D

Atlantic man

Question 283: Palette 283/396

Errorless CPMT 1995, 96; MH CET 2000; BVP 2001 MCQ

The cranial capacity of Java ape man was about

A

560 c.c.

B

900 c.c.

C

1,300 c.c.

D

1,000 c.c.

Question 284: Palette 284/396

Errorless CPMT 1995, 2002; MP PMT 1999; BHU 2002; RPMT 2005 MCQ

Proper burial of dead bodies, for the first time started in which prehistoric man's period

A

Peking man

B

Java man

C

Neanderthal man

D

Cro-Magnon man

Question 285: Palette 285/396

Errorless MP PMT 1995 MCQ

In human evolution which is most recent

A

Middle Paleolithic

B

Upper Paleolithic

C

Neolithic

D

Mesolithic

Question 286: Palette 286/396

Errorless NCERT; MP PMT 1994 MCQ

Who performed an experiment to prove that organic compounds were the basis of life

A

Sydeny Fox

B

Oparin

C

Haldane

D

Stanley Miller

Question 287: Palette 287/396

Errorless KCET 1994 MCQ

The most vital process for the existence of life on earth is

A

Communication in animals

B

Photosynthesis by plants

C

Reproduction in plants and animals

D

Respiration in animals

Question 288: Palette 288/396

Errorless CBSE PMT 1994; BHU 2008 MCQ

The four elements that make up 99% of all elements found in a living system are

A

H, O, C, N

B

C, H, O, S

C

C, H, O, P

D

C, N, O, P

Question 289: Palette 289/396

Errorless MP PMT 1994, 95, 2004; CPMT 1995, 2002, 09; RPMT 1995; KCET 2004; Pb PMT 2004; BHU 2005, 12; Odisha JEE 2011; AMU (Med.) 2012 MCQ

Recapitulation theory (Biogenetic law) explains "Ontogeny repeats Phylogeny". It was given by

A

Lamarck

B

Haeckel

C

Darwin

D

Robert Hooke

Question 290: Palette 290/396

Errorless MP PMT 1994 MCQ

Which one is not a vestigeal organ in man

A

Vermiform appendix

B

Plica semilunaris

C

Ear muscles

D

Malleus

Question 291: Palette 291/396

Errorless MP PMT 1994 MCQ

Which one of the following sets includes all homologous organs

A

Hind legs of pig, duck and kangaroo

B

Wings of bats, butterfly and bird

C

Sting of honey bee, scorpion and snake

D

Tail of rat, peacock and cockroach

Question 292: Palette 292/396

Errorless MP PMT 1994, 2001 MCQ

Fossils are dated now by

A

Stratigraphic position

B

Amount of calcium residue

C

Association with other animals

D

Radioactive carbon (C14) contents

Question 293: Palette 293/396

Errorless JIPMER 1994 MCQ

Which one is not a true fossil

A

Placoderm

B

Limulus

C

Archeopteryx

D

Therapside

Question 294: Palette 294/396

Errorless MP PMT 1994 MCQ

Living fossil is

A

Latimeria

B

Uromastix

C

Archaeopteryx

D

All the above

Question 295: Palette 295/396

Errorless MP PMT 1994; CBSE PMT 1996; Odisha JEE 2005; BHU 2012 MCQ

Two or more species occupying identical or overlapping areas are known as

A

Sympatric species

B

Allopatric species

C

Sibling species

D

Polytypic species

Question 296: Palette 296/396

Errorless CBSE PMT 1994 MCQ

A species is taxonomically

A

A group of evolutionary related populations

B

A population with common characteristics as evolutionary base of variation

C

A fundamental unit in the phylogenetic history of organisms

D

A basic category to which most taxonomic information is attached

Question 297: Palette 297/396

Errorless CBSE PMT 1994 MCQ

The earliest fossil form in the phylogeny of horse is

A

Merychippus

B

Eohippus

C

Equus

D

Mesohippus

Question 298: Palette 298/396

Errorless CBSE PMT 1994 MCQ

Which one of the following is a pair of homologus organs

A

Lungs of rabbit and gills of rohu

B

Wing of bat and wing of butterfly

C

Pectoral fin of rohu and the forelimb of horse

D

Wing of grasshopper and wing of crow

Question 299: Palette 299/396

Errorless Odisha JEE 1994; MP PMT 1995, 2001; AFMC 1997; KCET 1998, 99; CPMT 2000 MCQ

Theory of inheritance of acquired characters was putforth by

A

Lamarck

B

Weismann

C

Galton

D

de Vries

Question 300: Palette 300/396

Errorless CBSE PMT 1994, 96; BHU 2000 MCQ

During evolution of man many changes have taken place in his ancestral characters. Which one of the following is an unsignificant change

A

Change of diet from hard tough fruits and roots into soft food

B

Qualitative improvement in the structure of hands skills for making tools

C

Disappearance of tail

D

Improvement in speech for communication and social behaviour

Question 301: Palette 301/396

Errorless MP PMT 1994 MCQ

Cranial capacity of modern man is

A

350-400 cm³

B

500-1000 cm³

C

915-1700 cm³

D

1350 -1500 cm 3

Question 302: Palette 302/396

Errorless MP PMT 1994 MCQ

The fossils of Sinanthropus pekinensis have been discovered in which epoch

A

Pleistocene

B

Pliocene

C

Eocene

D

Palaeocene

Question 303: Palette 303/396

Errorless CBSE PMT 1994; BHU 2000; MH CET 2003 MCQ

Which one of the following evidences does not favour the Lamarckian concept of inheritance of acquired characters

A

Melanization in peppered moth in industrial areas

B

Presence of webbed toes in acquatic birds

C

Lack of pigment in cave-dwelling animals

D

Absence of limbs in snakes

Question 304: Palette 304/396

Errorless CBSE PMT 1994 MCQ

Indicate the completely correct statement about human races

A

All human races can interbreed but most will produce infertile young ones

B

Different human races cannot interbreed

C

Some human races can interbreed

D

All human races can interbreed and produce fertile offspring

Question 305: Palette 305/396

Errorless CBSE PMT 1994, 2002; CPMT 1996, 2003, 05, 10; Pb. PMT 2000; BVP 2000, 02, 04; Kerala CET 2003; Haryana PMT 2005; J & K CET 2005, 08; MP PMT 2007; VITEEE 2008 MCQ

Geologically one of the following eras is known as "Golden age of Reptiles" or "Golden age of Dinosaurs"

A

Mesozoic

B

Cenozoic

C

Palaeozoic

D

None of the above

Question 306: Palette 306/396

Errorless CBSE PMT 1994; AMU (Med.) 2006 MCQ

Species diversity generally increases as one proceeds from

A

Low altitude to high altitude, and from low latitudes to high latitudes

B

High altitude to low altitude, and from low latitudes to high latitudes

C

High altitude to low altitude, and from high latitudes to low latitudes

D

Low altitude to high altitude, and from high latitudes to low latitudes

Question 307: Palette 307/396

Errorless CBSE PMT 1993; BHU 2004 MCQ

Formation of which complex molecules was noticed by Urey and Miller when they subjected substances like $N H _ { 3 } , C H _ { 4 } , H _ { 2 } O$ etc. to electric discharge [NCERT Pg. No. 111]

A

Aquaregia

B

$H _ { 2 } S O _ { 4 }$

C

HCN

D

Amino acids

Question 308: Palette 308/396

Errorless CMC Vellore 1993; MP PMT 1996 MCQ

The greatest evolutionary change enabling the land vertebrates to be completely free from water, was the development of

A

Four legs

B

Lungs

C

Shelled eggs and internal fertilization

D

Four chambered heart

Question 309: Palette 309/396

Errorless CMC Vellore 1993; CPMT 1993, 2003; MP PMT 1996, 2003 MCQ

Haeckal's theory of recapitulation (Biogenetic law) means that

A

All organisms start as an egg

B

Life history of an animal reflects its evolutionary history

C

Progeny of an organism resembles its parents

D

Body parts once lost are regenerated

Question 310: Palette 310/396

Errorless DPMT 1993 MCQ

The splint bone of present day horse is a vestige of

A

Fourth toe

B

First toe

C

Second toe

D

Second and fourth toes in limbs

Question 311: Palette 311/396

Errorless DPMT 1993; JIPMER 1993; MP PMT 1997 MCQ

Vestigeal organs occur as

A

Useless because of incomplete development

B

Inefficient parts

C

Fully developed but useless

D

Analogous

Question 312: Palette 312/396

Errorless DPMT 1993; JIPMER 1993 MCQ

Occurrence of vestigeal organs is not explained by

A

Theory of organic evolution

B

Theory of special creation

C

Scala naturae

D

Natural classification sustem

Question 313: Palette 313/396

Errorless NCERT; CPMT 1993, 96; MP PMT 2006; BHU 2012 MCQ

Which of the following is commonly called "age of mammals and birds"

A

Mesozoic

B

Coenozoic

C

Palaeozoic

D

Azoic

Question 314: Palette 314/396

Errorless CPMT 1993, 94 MCQ

Vestigeal organ in man is

A

Extra-abdominal muscles

B

Thumb

C

Conjunctiva

D

Body hairs

Question 315: Palette 315/396

Errorless CPMT 1993 MCQ

Fossil X is older than fossil Y . Most evident answer is

A

Fossil Y has got some of the vestigial organs which are functional in X

B

Fossil Y has got homologous and analogous organs of fossil X

C

Fossil X is found in deeper sedimentation than Y

D

Fossil Y was found in better state than that of X

Question 316: Palette 316/396

Errorless DPMT 1993 MCQ

Who discovered the fossil of archaeopteryx from bavaria (Germany)

A

Thomas Huxley

B

Hermann von Meyer

C

Colin Harrison

D

Andreas Wagner

Question 317: Palette 317/396

Errorless CBSE PMT 1993; RPMT 1999; J & K CET 2005; Bihar CECE 2006; CPMT 2009 MCQ

Which is connecting link between Reptiles and Aves

A

Archaeopteryx

B

Peripatus

C

Ornithorynchus

D

Loligo

Question 318: Palette 318/396

Errorless NCERT; JIPMER 1993; CPMT 2001; MP PMT 2001; DPMT 2006 MCQ

Author of "Philosophique Zoologique" is

A

Mendel

B

Darwin and Wallace

C

Lamarck

D

Darwin

Question 319: Palette 319/396

Errorless AIIMS 1993 MCQ

The scientists regarded as Neo-Lamarckist are

A

August Weismann and T.H. Morgan

B

Hardy Weinberg

C

Correns, Tshermak and Hugo de Vries

D

Kammerer and Mc Dougall

Question 320: Palette 320/396

Errorless NCERT; DPMT 1993; AFMC 2001; MP PMT 2003 MCQ

When an organ is used it will develop and if it is not used, it weakens to become vestigial. Who could have said their theory

A

Darwin

B

de Vries

C

Lamarck

D

Mendel

Question 321: Palette 321/396

Errorless NCERT; CPMT 1993; MP PMT 2006, 10; Bihar CECE 2006; Odisha JEE 2009, 10; WB JEE 2011 MCQ

Who wrote the "Origin of Species"

A

G.J. Mendel

B

Lamarck

C

de Vries

D

Charles Darwin

Question 322: Palette 322/396

Errorless MP PMT 1993; Odisha JEE 2008 MCQ

Name of the ship in which Charles Darwin went for his expedition

A

Siboga

B

Beagle

C

Sea gull

D

Atlantic

Question 323: Palette 323/396

Errorless AIIMS 1993 MCQ

If mating is random, population is large and mutation does not occur; then gene frequencies of population from generation to generation remain constant. This was put forwarded by

A

Lederberg

B

Wallace

C

Hardy Weinberg

D

Haeckel

Question 324: Palette 324/396

Errorless AIIMS 1993 MCQ

"Darwin's finches" refers to

A

Fossils of birds collected by Darwin at Galapagos islands

B

A type of birds present on Galapagos islands

C

Migratory birds collected by Darwin at Galapagos islands

D

Fossils of reptiles collected by Darwin at Galapagos island

Question 325: Palette 325/396

Errorless CPMT 1993; MP PMT 1998; DPMT 2001 MCQ

The most recent and direct prehistoric ancestor of present man is

A

Cro-Magnon

B

Preneanderthal

C

Neanderthal

D

None of the above

Question 326: Palette 326/396

Errorless CPMT 1993 MCQ

The lowest capacity of cranium was found in the

A

Neanderthal man

B

Australopithecus

C

Cro-Magnon man

D

Java man

Question 327: Palette 327/396

Errorless MP PMT 1993, 99; CPMT 2003; WB JEE 2010 MCQ

Biological name of the Java man is

A

Homo erectus

B

Homo sapiens

C

Homo habilis

D

Pithecanthropus erectus (Homo erectus proctue)

Question 328: Palette 328/396

Errorless CBSE PMT 1992, 2001, 03; CPMT 2004; NEET 20131 Or Random unidirectional change in allele frequencies that occur by chance in all population and especially in small populations is known as [NEET (Karnataka) 2013 MCQ

Variation in gene frequencies within populations can occur by chance rather than by natural selection. This is referred to as

A

Genetic load

B

Genetic flow

C

Genetic drift

D

Random mating

Question 329: Palette 329/396

Errorless CBSE PMT 1991 MCQ

Correct sequence is

A

Palaeozoic → Mesozoic → Coenozoic

B

Mesozoic → Archaeozoic → Proterozoic

C

Palaeozoic → Archaeozoic → Coenozoic

D

Archaeozoic → Palaeozoic → Proterozoic

Question 330: Palette 330/396

Errorless CBSE PMT 1991 MCQ

Natural Selection Theory of Darwin is objected to, because it

A

Stresses upon slow and small variations

B

Stresses upon interspecific competition

C

Explains that natural calamities take a heavy annular toll of lives

D

Explains, adaptation of certain inherited characters

Question 331: Palette 331/396

Errorless CBSE PMT 1991 MCQ

Homeostasis is

A

Disturbance in regulatory control

B

Tendency to resist internal changes

C

Plant and animal extracts used in homeopathy

D

A tendency to change with change in environment

Question 332: Palette 332/396

Errorless CBSE PMT 1990 MCQ

Basic principles of embryonic development were stated by

A

Von Baer

B

Haeckel

C

Darwin

D

Weismann

Question 333: Palette 333/396

Errorless NCERT: CBSE PMT 1990; DPMT 2007 MCQ

Parallelism is

A

Adaptive divergence in evolution

B

Adaptive convergence of widely different species in evolution

Question 334: Palette 334/396

Errorless CBSE PMT 1990; KCET 2011 MCQ

Allopatric speciation is due to

A

Mutation

B

Geographical separation of populations

C

Migration of member of a species form one to other populations

D

Hybridization between closely related species

Question 335: Palette 335/396

Errorless 1953 MCQ

In 1953 S. L. Miller created primitive earth conditions in the laboratory and gave experimental evidence for origin of first form of life from pre-existing non-living organic molecules. The primitive earth conditions created include

A

Low temperature, volcanic storms, atmosphere rich in oxygen

B

Low temperature, volcanic storms, reducing atmosphere

C

High temperature, volcanic storms, non-reducing atmosphere

D

High temperature, volcanic storms, reducing atmosphere containing CH4 NH3 etc

Question 336: Palette 336/396

Errorless MCQ

Which of the following was most likely to have been absent in free form in the primordial atmosphere at the time of origin of life

A

$O _ { 2 }$

B

$C H _ { 4 }$

C

$H _ { 2 }$

D

$N H _ { 3 }$

Question 337: Palette 337/396

Errorless MCQ

The complex organic compounds that may have first evolved in the direction of origin of life on earth, may have been

A

Proteins and amino acids

B

Proteins and nucleic acids

C

Urea and nucleic acids

D

Urea and amino acids

Question 338: Palette 338/396

Errorless MCQ

In his classic experiment on the formation of amino acids, Stanley Miller passed an electric discharge in a mixture of

A

$C H _ { 4 } , H _ { 2 }$, $N H _ { 3 }$

B

$C H _ { 4 } , C O _ { 2 } , O _ { 2 }$ and $H _ { 2 }$

C

$N H _ { 3 } , O _ { 2 } , H _ { 2 }$ and steam

D

$C H _ { 4 } , H _ { 2 } , N _ { 2 }$ and steam

Question 339: Palette 339/396

Errorless MCQ

It is believed that the organisms first inhabited earth's surface were [NCERT]

A

Heterotrophic or holozoic

B

Heterophytic or holophytic

C

Saprophytic

D

Saprozoic

Question 340: Palette 340/396

Errorless MCQ

There is no life on moon because there is no [NCERT]

A

Carbon

B

Nitrogen

C

Water

D

Silicates

Question 341: Palette 341/396

Errorless MCQ

According to available evidence life evolved through the process of

A

Abiogenesis

B

Biogenesis

C

Special creation

D

Spontaneous generation

Question 342: Palette 342/396

Errorless MCQ

The abiogenesis occurred about how many billion years ago?

A

1.2 billion

B

1.5 billion

C

2.5 billion

D

3.5 billion

Question 343: Palette 343/396

Errorless MCQ

The most accepted and recent theory of organic evolution [NCERT]

A

Natural selection theory

B

Phase theory

C

Synthetic theory

D

Mutation theory

Question 344: Palette 344/396

Errorless MCQ

Evolution means [NCERT; MP PMT 19

A

History of race

B

Development of race

C

History and development of race with variations

D

Progressive development of the race

Question 345: Palette 345/396

Errorless MCQ

Homologous organs explain

A

Convergent evolution

B

Divergent evolution

C

Pedogenesis

D

Prodagility

Question 346: Palette 346/396

Errorless MCQ

Man evolved in

A

Triassic period

B

Jurassic

C

Permian period

D

Pliocene

Question 347: Palette 347/396

Errorless MCQ

The given figure shows an example of

A

Divergent evolution

B

Recapitulation

C

Parallel evolution

D

Convergent evolution

Question 348: Palette 348/396

Errorless MCQ

The following structures shows that [NCERT Pg. No. 115]

A

They have nothing to do with each other

B

They are analogous

C

They are vestigial structures

D

They are homologous

Question 349: Palette 349/396

Errorless MCQ

The rocks that contain fossil are Or The fossils are preserved in

A

Metamorphic rocks

B

Igneous rocks

C

Sedimentary rocks

D

All the above

Question 350: Palette 350/396

Errorless MCQ

Analogous organs have arisen in the evolutionary process through

A

Recombination

B

Mutation

C

Hybridisation

D

Adaptation

Question 351: Palette 351/396

Errorless MCQ

The field in which zoology and geology are very intimately connected, is Or Existence of coal / petroleum can be known from the study of [NCERT]

A

Herpatology

B

Cytology

C

Palaeontology

D

Organic evolution

Question 352: Palette 352/396

Errorless MCQ

Germplasm theory against Lamarck's principle, was given by

A

Weismann

B

Darwin

C

Lamarck

D

Hugo de Vries

Question 353: Palette 353/396

Errorless MCQ

A scientist who gave a theory very similar to that given by Darwin was [NCERT Pg. No. 113] Or Co-worker of Darwin was

A

Malthus

B

Wallace

C

Goldstein

D

Mendel

Question 354: Palette 354/396

Errorless MCQ

Match the scientists and their contributions in the field of evolution

Column-I	Column-II
(A) Charles Darwin (B) Lamarck (C) Hugo de Vries (D) Ernst Haeckel (E) August Weismann	(P) Mutation theory (Q) Germ plasm theory (R) Philosophie Zoologique (S) The Origin of Species (T) Biogenetic law (U) Essay on population

A

A-S, B-R, C-P, D-T, E-Q

B

A-S, B-R, C-T, D-P, E-U

C

A-S, B-S, C-T, D-R, E-P

D

A-Q, B-R, C-P, D-T, E-Q

E

A-R, B-S, C-P, D-T, E-Q

Question 355: Palette 355/396

Errorless MCQ

In forming the theory of evolution by natural selection, Darwin was greatly influenced by

A

Mutations of Hugo de Vries

B

Malthus idea of population control

C

Environmental factors

D

Lamarck acquired characters

Question 356: Palette 356/396

Errorless MCQ

In which case Darwin theory is wrong

A

Arrival of the fittest

B

Survival of the fittest

C

Origin of species

D

High efficiency of reproduction

Question 357: Palette 357/396

Errorless MCQ

What is the most important factor for the success of animal population

A

Natality

B

Unlimited food

C

Adaptability

D

Interspecies activity

Question 358: Palette 358/396

Errorless MCQ

The classical example of adaptive radiation in development of new species is

A

Darwin finches

B

Marsupials of Australia

C

Giant turtle

D

All of these

Question 359: Palette 359/396

Errorless MCQ

Dubois in 1891 found the fossil of Java ape man. It is Or Which one of the following is highly evolved

A

Sinanthropus pekinensis

B

Homo erectus

C

Homo rhodesiensis

D

Homo saniens

Question 360: Palette 360/396

Errorless MCQ

Match the hominids Column-I with Column-II their correct brain size

Column-I	Column-II
(A) Homo habilis (B) Homo neanderthalensis (C) Homo erectus (D) Homo sapiens	(P) 900 cc (Q) 1350 cc (R) 650–800 cc (S) 1400 cc

A

A-R, B-P, C-S, D-Q

B

A-R, B-Q, C-P, D-S

C

A-R, B-S, C-P, D-Q

D

A-S, B-R, C-P, D-Q

Question 361: Palette 361/396

Errorless MCQ

Cro-Magnon man was

A

Herbivorous

B

Frugivorous

C

Sanguivorous

D

Carnivorous

Question 362: Palette 362/396

Errorless MCQ

The given illustration shows the skull of two different mammals. Which of the following accurately describes the differences between these skulls (A) (B)

A

Skull A is the skull of an ape and skull B is the skull of human

B

Skull A is of a primate and skull B is not of a primate

C

Skull A has more brain capacity than skull B

D

Skull A has more teeth than skull B

Question 363: Palette 363/396

Errorless MCQ

What kind of evidence suggested that man is more closely related with chimpanzee than with other hominoid apes?

A

Evidence from fossil remains, and the fossil mitochondria, DNA alone

B

Evidence from DNA extracted from sex chromosomes, autosomes and mitochondria

C

Evidence from DNA from sex chromosomes only

D

Comparison of chromosomes morphology only

Question 364: Palette 364/396

Errorless MCQ

Variations during mutations of meiotic recombinations are

A

Random and directionless

B

Random and directional

C

Small and directional

D

Random, small and directional

Question 365: Palette 365/396

Errorless MCQ

The theory of spontaneous generation stated that

A

Life arose from living forms only

B

Life can arise from both living and non-living

C

Life can arise from non-living things only 1-1

D

Life arises spontaneously, neither from living nor from the non-living

Question 366: Palette 366/396

Errorless MCQ

Animal husbandry and plant breeding programmes are the examples of [NCERT]

A

Reverse evolution

B

Artificial selection

C

Mutation

D

Natural selection

Question 367: Palette 367/396

Errorless MCQ

Palaentological evidences for evolution refer to the

A

Development of embryo

B

Homologous organs

C

Fossils

D

Analogous organs

Question 368: Palette 368/396

Errorless MCQ

The bones of forelimbs of whale, bat, cheetah and man are similar in structure, because

A

One organism has given rise to another

B

They share a common ancestor

C

They perform the same function 1

D

They have biochemical similarities

Question 369: Palette 369/396

Errorless MCQ

Analogous organs arise due to

A

Divergent evolution

B

Artificial selection

C

Genetic drift

D

Convergent evolution

Question 370: Palette 370/396

Errorless MCQ

(p + q)2 = p² + 2pq + q2 = 1 represents an equation used in

A

Population genetics

B

Mendelian genetics

C

Biometrics

D

Molecular genetics

Question 371: Palette 371/396

Errorless MCQ

Appearance of antibiotic-resistant bacteria is an example of [NCERT]

A

Adaptive radiation

B

Transduction

C

Pre-existing variation in the population

D

Divergent evolution

Question 372: Palette 372/396

Errorless MCQ

Evolution of life shows that life forms had a trend of moving from

A

Land to water

B

Dryland to wet land

C

Fresh water to sea water

D

Water to land

Question 373: Palette 373/396

Errorless MCQ

Viviparity is considered to be more evolved because

A

The young ones are left on their own

B

The young ones are protected by a thick shell

C

The young ones are protected inside the mother's body and are looked after they are born leading to more chances of survival

D

The embryo takes a long time to develop

Question 374: Palette 374/396

Errorless MCQ

Fossils are generally found in

A

Sedimentary rocks

B

Igneous rocks

C

Metamorphic rocks

D

Any type of rock

Question 375: Palette 375/396

Errorless MCQ

For the MN-blood group system, the frequencies of M and N alleles are 0.7 and 0.3 respectively. The expected frequency of MN-blood group bearing organisms is likely to be [NCERT]

A

42%

B

49%

C

9%

D

58%

Question 376: Palette 376/396

Errorless MCQ

Which type of selection explains industrial melanism observed in moth, Biston bitularia [NCERT]

A

Stabilising

B

Directional

C

Disruptive

D

Artificial

Question 377: Palette 377/396

Errorless MCQ

Which of the following is an example for link species [NCERT]

A

Lobe fish

B

Dodo bird

C

Sea weed

D

Chimpanzee

Question 378: Palette 378/396

Errorless MCQ

Given below are four statements (A-D) each with one or two blanks. Select the option which correctly fills up the blanks in two statements
(A) Wings of butterfly and birds look alike and are the results of\_(i), evolution.
(B) Miller showed that CH4, H2 , NH3 and \_(i), when exposed to electric discharge in a flask resulted in formation of(ii)
(C) Vermiform appendix is a (i)\_organ and an (ii)\_evidence of evolution.
(D) According to Darwin evolution took place due to (i) \_and\_(ii)\_ of the fittest.

A

(D) – (i) Small variations, (ii) Survival (A) − (i) Convergent

B

(A) – (i) Convergent, (B) – (i) Oxygen, (ii) nucleosides

C

(B) − (i) Water vapour, (ii) Amino acids (C) – (i) Rudimentary, (ii) Anatomical

D

(C) − (i) Vestigial, (ii) Anatomical (D) − (i) Mutations, (ii) Multiplication

Question 379: Palette 379/396

Errorless MCQ

Animals living in colder region have shorter tail and ears as compared to the animals living in warmer regions. This phenomenon is called

A

Bergman's law

B

Glober's law

C

Allen's law

D

Jordan's law

Question 380: Palette 380/396

Errorless MCQ

Present day mammals have their predecessor in

A

Therapsids

B

Diapsids

C

Synapsids

D

Anapsids

Question 381: Palette 381/396

Errorless MCQ

Which one of the following sequences was proposed by Darwin and Wallace for organic evolution

A

Variations, natural selection, overproduction, constancy of population size

B

Overproduction, variations, constancy of population size, natural'selection

C

Variations, constancy of population size, overproduction, natural selection

D

Overproduction, constancy of population size, variations, natural selection

Question 382: Palette 382/396

Errorless MCQ

Select the correct match

A

Gibbon – Cercopithecoidea

B

Lemur – Prosimii

C

New world monkey – Hominoidea

D

Tarsier - Anthropoidea

Question 383: Palette 383/396

Errorless MCQ

Match the evolution concepts and their proposers and select the right option Column I With Column-II

Column-I	Column-II
(A) Saltation (B) Formation of life was preceded by chemical evolution (C) Reproductive fitness (D) Life comes from pre-existing life	(P) Darwin (Q) Louis Pasteur (R) De Vries (S) Oparin and Haldane

A

A-R, B-S, C-P, D-Q

B

A-S, B-R, C-Q, D-P

C

A-S, B-Q, C-R, D-P

D

A-Q, B-R, C-P, D-S

E

A-P, B-S, C-R, D-Q

Question 384: Palette 384/396

Errorless MCQ

Following diagrammatic representation refers the natural selection on different traits. Choose the right option in which all the three graphs A, B and C are identified correctly

A

A - Directional, B - Disruptive, C - Stabilising

B

A - Stabilising, B - Disruptive, C - Directional

C

A - Stabilising, B - Directional, C - Disruptive

D

A - Directional, B - Stabilising, C - Disruptive

Question 385: Palette 385/396

Errorless MCQ

The diversity within the wild bird species in the given figure can best be explained by which process

A

Natural selection

B

Adaptive radiation

C

Ecological succession

D

Both a and b

Question 386: Palette 386/396

Errorless MCQ

Given below are some stages of human evolution. Arrange them in correct sequence. (Past to Recent) '
(A) Homo habilis
(B) Homo sapiens
(C) Homo neanderthalensis
(D) Homo erectus

A

D-A-C-B

B

B-A-D-C

C

C-B-D-A

D

A-D-C-B

Question 387: Palette 387/396

Errorless MCQ

Match Column-I with Column-II

Column-I	Column-II
(A) Allen's Rule (B) Physiological adaptation (C) Behavioural adaptation (D) Biochemical adaptation	(P) Kangaroo rat (Q) Desert lizard (R) Marine fish at depth (S) Polar seal

A

A-Q, B-P, C-R, D-S

B

A-R, B-P, C-Q, D-S

C

A-P, B-Q, C-S, D-R

D

A-R, B-P, C-S, D-Q

Question 388: Palette 388/396

Errorless MCQ

When two related populations occupy geographically or spatially separate areas, they are called

A

Allopatric population

B

Saltational population

C

Quantum population

D

Parapatric population

E

Sympatric population

Question 389: Palette 389/396

Errorless MCQ

Assertion : Ginkgo biloba is a living fossil. Reason: Organism which have persisted and remain unchanged for the past several million years while their relative disappeared.

A

If both assertion and reason are true and the reason is the correct explanation of the assertion.

B

If both assertion and reason are true but reason is not the correct explanation of the assertion.

C

If assertion is true but reason is false.

D

If the assertion and reason both are false.

E

If assertion is false but reason is true.

Question 390: Palette 390/396

Errorless MCQ

Assertion: Leaf butterfly and stick insect show mimicry to dodge their enemies. Reason: Mimicry is a method to acquire body colour blinding with the surroundings.

A

If both assertion and reason are true and the reason is the correct explanation of the assertion.

B

If both assertion and reason are true but reason is not the correct explanation of the assertion.

C

If assertion is true but reason is false.

D

If the assertion and reason both are false.

E

If assertion is false but reason is true.

Question 391: Palette 391/396

Errorless MCQ

Assertion : Natural selection is the outcome of difference in survival and reproduction among individuals that show variation in one or more traits. Reason: Adaptive forms of a given trait tend to become more common; less adaptive ones become less common or disappear.

A

If both assertion and reason are true and the reason is the correct explanation of the assertion.

B

If both assertion and reason are true but reason is not the correct explanation of the assertion.

C

If assertion is true but reason is false.

D

If the assertion and reason both are false.

E

If assertion is false but reason is true.

Question 392: Palette 392/396

Errorless MCQ

Assertion : Homologous organs have common ancestry and similar function. Reason: Analogous organs have unlike origin and dissimilar function.

A

If both assertion and reason are true and the reason is the correct explanation of the assertion.

B

If both assertion and reason are true but reason is not the correct explanation of the assertion.

C

If assertion is true but reason is false.

D

If the assertion and reason both are false.

E

If assertion is false but reason is true.

Question 393: Palette 393/396

Errorless MCQ

Assertion : All primates have a common ancestry. Reason: The most primate was shrew like animals.

A

If both assertion and reason are true and the reason is the correct explanation of the assertion.

B

If both assertion and reason are true but reason is not the correct explanation of the assertion.

C

If assertion is true but reason is false.

D

If the assertion and reason both are false.

E

If assertion is false but reason is true.

Question 394: Palette 394/396

Errorless MCQ

Assertion : Dryopithecus africans is a common ancestor of man and great apes. Reason: It gave rise to Ramapithecus.

A

If both assertion and reason are true and the reason is the correct explanation of the assertion.

B

If both assertion and reason are true but reason is not the correct explanation of the assertion.

C

If assertion is true but reason is false.

D

If the assertion and reason both are false.

E

If assertion is false but reason is true.

Question 395: Palette 395/396

Errorless MCQ

Assertion : Formation of new species is called speciation. Reason: The deme has a common gene pool.

A

If both assertion and reason are true and the reason is the correct explanation of the assertion.

B

If both assertion and reason are true but reason is not the correct explanation of the assertion.

C

If assertion is true but reason is false.

D

If the assertion and reason both are false.

E

If assertion is false but reason is true.

Question 396: Palette 396/396

Errorless MCQ

Assertion : Homo habilis was the first tool maker. Reason: He was cave-dweller.

A

If both assertion and reason are true and the reason is the correct explanation of the assertion.

B

If both assertion and reason are true but reason is not the correct explanation of the assertion.

C

If assertion is true but reason is false.

D

If the assertion and reason both are false.

E

If assertion is false but reason is true.