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Evolution

689 Questions Start Allen Test
All Exams Allen Errorless
MHCET 2015 Q26 Errorless Evolution of Man 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
KCET 2015 Q27 Errorless Critical Thinking 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
KCET 2015 Q28 Errorless Critical Thinking MCQ
The ancestors of modern day Frogs and Salamanders are
A.
Icthyophis
B.
Jawless fish
C.
Amphioxus
D.
Coelocanth
MHCET 2015 Q29 Errorless Critical Thinking 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
GUJCET 2015 Q30 Errorless Self Evaluation Test 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
CBSE PMT 2014 Q31 Errorless Evidences of Evolution 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
CBSE PMT 2014 Q32 Errorless Evidences of Evolution 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
NCERT; MP PMT 2013 Q33 Errorless Evidences of Evolution MCQ
First mammals appeared in the period
A.
Triassic
B.
Jurassic
C.
Cretaceous
D.
Tertiary
NEET 2013 Q34 Errorless Evidences of Evolution 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
MP PMT 2013 Q35 Errorless Lamarckism MCQ
The basis of Lamarkism is
A.
Development of organ
B.
Reduction of organ
C.
Effect of metabolism
D.
Effect of environment
NEET (Karnataka) 2013 Q36 Errorless Darwinism 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
NEET 2013 Q37 Errorless Darwinism 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
NEET 2013 Q38 Errorless Critical Thinking 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
KCET 2012 Q39 Errorless ORIGIN OF LIFE 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
CBSE PMT (Pre.) 2012 Q40 Errorless Organic Evolution and Speciation 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
AMU (Med.) 2012 Q41 Errorless Organic Evolution and Speciation MCQ
The origin of mammal like reptiles occurred in
A.
Triassic period
B.
Permian period
C.
Jurassic period
D.
Tertiary period
Kerala PMT 2012 Q42 Errorless Organic Evolution and Speciation MCQ
Which one of these was a flying dinosaur
A.
Triceratops
B.
Tyrannosaurus
C.
Stegosaurus
D.
Brachiosaurus
E.
Pteranodon
KCET 2012 Q43 Errorless Organic Evolution and Speciation 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
Kerala PMT 2012 Q44 Errorless Organic Evolution and Speciation 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
CBSE PMT (Pre.) 2012 Q45 Errorless Evidences of Evolution MCQ
Which one of the following options gives one correct example each of convergent evolution and divergent evolution
A.
Convergent evolution ā€“ Eyes of octopus and mammals, Divergent evolution ā€“ Bones of forelimbs of vertebrates
B.
Convergent evolution ā€“ Thorns of Bougainvillea and tendrils of Cucurbita, Divergent evolution ā€“ Wings of butterflies and birds
C.
Convergent evolution ā€“ Bones of forelimbs of vertebrates, Divergent evolution ā€“ Wings of butterflies and birds
D.
Convergent evolution ā€“ Thorns of Bougainvillea and tendrils of Cucurbita, Divergent evolution ā€“ Eyes of octopus and mammals
J & K CET 2012 Q46 Errorless Darwinism 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
NCERT; AMU (Med.) 2012 Q47 Errorless Darwinism MCQ
The biologist who has been called the "Darwin of the 20th century", was
A.
Linnaeus
B.
Ernst Mayr
C.
Diener
D.
Whittaker
MP PMT 2012; WB JEE 2012 Q48 Errorless Evolution of Man MCQ
Homo sapiens/Homo Erectus evolved in
A.
Miocene
B.
Oligocene
C.
Pliocene
D.
Pleistocene
CBSE PMT (Pre.) 2012 Q49 Errorless Evolution of Man 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
NCERT; J & K CET 2012 Q50 Errorless Critical Thinking 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