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Evolution

689 Questions Start Allen Test
All Exams Allen Errorless
Q476 Allen PYQ MCQ
Embryological support for evolution was disapproved by :
A.
Oparin
B.
Karl Ernst von Baer
C.
Alfred Wallace
D.
Charles Darwin
Q477 Allen PYQ MCQ
Flippers of Penguins and Dolphins are examples of:
A.
Natural selection
B.
Adaptive radiation
C.
Convergent evolution
D.
Industrial melanism
Q478 Allen PYQ MCQ
From his experiments, S.L. Miller produced amino acids by mixing the following in a closed flask :
A.
CHā‚ƒ, Hā‚‚, NHā‚ƒ and water vapour at $60 0 ^ { \circ } C$
B.
CHā‚„, Hā‚‚, NHā‚ƒ and water vapour at $80 0 ^ { \circ } \mathsf { C }$
C.
CHā‚ƒ, Hā‚‚, NHā‚„ and water vapour at $80 0 ^ { \circ } \mathsf { C }$
D.
$\mathsf { C H } _ { 4 } , \mathsf { H } _ { 2 } , \mathsf { N H } _ { 3 }$ and water vapour at $60 0 ^ { \circ } C$
Q479 Allen PYQ 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? (a) Darwin's Finches of Galapagos islands. (b) Herbicide resistant weeds. (c) Drug resistant eukaryotes. (d) Man-created breeds of domesticated animals like dogs.
A.
Only (d)
B.
Only (a)
C.
(a) and (c)
D.
(b), (c) and (d)
Q480 Allen PYQ MCQ
Embryological support for evolution was proposed by :
A.
Ernst Heckel
B.
Karl Ernst von Baer
C.
Charles Darwin
D.
Alfred Wallace
Q481 Allen PYQ MCQ
After about how many years of formation of earth, life appeared on this planet ?
A.
500 billion years
B.
50 million years
C.
500 million years
D.
50 billion years
Q482 Allen PYQ MCQ
The phenomenon of evolution of different species in a given geographical area starting from a point and spreading to other habitats is called :-
A.
Saltation
B.
Co-evolution
C.
Natural selection
D.
Adaptive radiation
Q483 Allen PYQ MCQ
A Hominid fossil discovered in Java in 1891, now extinct, having cranial capacity of about 900 cc was:
A.
Homo erectus
B.
Neanderthal man
C.
Homo sapiens
D.
Australopithecus
Q484 Allen PYQ MCQ
The factor that leads to Founder effect in a population is:
A.
Natural selection
B.
Genetic recombination
C.
Mutation
D.
Genetic drift
Q485 Allen PYQ Match the Columns
Match Column-I with Column-II. Choose the coorect answr from the options given below :
with :
Column-IColumn-II
(A)Adaptive radiation
(B)Convergent evolution
(C)Divergent evolution
(D)Evolution by anthropogenic action
(I)Selection of resistant varieties due to excessive use of herbicides and pesticides
(II)Bones of forelimbs in Man and Whale
(III)Wings of Butterfly and Bird
(IV)Darwin Finches
A.
A-IV, B-III, C-II, D-I
B.
A-III, B-II, C-I, D-IV
C.
A-II, B-I, C-IV, D-III
D.
A-I, B-IV, C-III, D-II
Q486 Allen PYQ MCQ
Natural selection where more individuals acquire specific character value other than the mean character value, leads to :-
A.
Directional change
B.
Disruptive change
C.
Random change
D.
Stabilising change
Q487 Allen PYQ MCQ
Which of the following statements is not true?
A.
Sweet potato and potato is an example of analogy
B.
Homology indicates common ancestry
C.
Flippers of penguins and dolphins are a pair of homologous organs
D.
Analogous structures are a result of convergent evolution
Q488 Allen PYQ MCQ
Panspermia, an idea that is still a favourite for some astronomers, means :
A.
Creation of life from dead and decaying matter.
B.
Creation of life from chemicals.
C.
Origin of sperm in human testes.
D.
Transfer of spores as unit of life from other planets of Earth.
Q489 Allen PYQ MCQ
Select the correct statement regarding mutation theory of evolution.
A.
This theory was proposed by Alfred Wallace.
B.
Variations are small directional changes.
C.
Single step large mutation is a cause of speciation.
D.
Large differences due to mutations arise gradually in a population.
Q490 Allen PYQ 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
Q491 Allen PYQ MCQ
Identify the fossil of man who showed the following characteristics. (A) Brain capacity of 1400 cc (B) Used hides to protect their body (C) Buried their dead bodies In the light of above statements, choose the correct answer from the options given below:
A.
Homo erectus
B.
Neanderthal man
C.
Homo habilits
D.
Australopithecus
Q492 Allen PYQ 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
Q493 Allen PYQ 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 Choose the correct sequence of human evolution from the options given below :-
A.
D-A-C-B
B.
B-A-D-C
C.
C-B-D-A
D.
A-D-C-B
Q494 Allen PYQ Match the Columns
Match Column-I with Column-II.choose the correct answer from the options give below : Column-I with Column-II:
Column-IColumn-II
(A)Mesozoic Era
(B)Proterozoic Era
(C)Cenozoic Era
(D)Paleozoic Era
(I)Lower invertebrates
(II)Fish & Amphibia
(III)Birds & Reptiles
(IV)Mammals
A.
A-II, B-I, C-III, D-IV
B.
A-III, B-I, C-II, D-IV
C.
A-I, B-II, C-IV, D-III
D.
A-III, B-I, C-IV, D-II
Q495 Allen PYQ Match the Columns
Match Column-I with Column-II. Choose the correct answer from the options given below :- Column-I with Column-II:
Column-IColumn-II
(A)Gene pool
(B)Genetic drift
(C)Gene flow
(D)Gene frequency
(I)Stable within a generation
(II)Change in gene frequency by chance
(III)Transfer of genes into or out of population
(IV)Total number of genes and their alleles
A.
A-III, B-II, C-I, D-IV
B.
A-IV, B-II, C-III, D-I
C.
A-I, B-II, C-III, D-IV
D.
A-II, B-III, C-IV, D-I
Q496 Allen PYQ MCQ
Which evolutionary phenomenon is depicted by the sketch given figure ? 1 2 3 4
A.
Artificial selection
B.
Genetic drift
C.
Convergent evolution
D.
Adaptive radiation
Q497 Allen PYQ Match the Columns
Match Column-I with Column-II with respect to convergent evolution. Choose the correct answer from the options given below:- Column-I with Column-II:
Column-IColumn-II
(A)Lemur
(B)Bobcat
(C)Ant eater
(D)Flying squirrels
(I)Flying phalanger
(II)Numbat
(III)Spotted cuscus
(IV)Tasmanian tiger cat
A.
A-III, B-IV, C-II, D-I
B.
A-III, B-II, C-IV, D-I
C.
A-IV, B-III, C-II, D-I
D.
A-IV, B-II, C-III, D-I
Q498 Allen PYQ Match the Columns
Match Column-I with Column-II. Choose the correct answer from the options given below. Column-I with Column-II
Column-IColumn-II
(A)Living fossil
(B)Connecting link
(C)Vestigial organ
(D)Atavism
(I)Elongated canine teeth
(II)Vermiform appendix
(III)Echidna
(IV)Latimeria
A.
A-IV, B-III, C-II, D-I
B.
A-IV, B-II, C-III, D-I
C.
A-IV, B-III, C-I, D-II
D.
A-III, B-IV, C-I, D-II
Q499 Allen PYQ MCQ
What is the correct order (old to recent) of periods in Paleozoic era ?
A.
Silurian, Devonian, Permian, Carboniferous
B.
Silurian, Devonian, Carboniferous, Permian
C.
Permian, Devonian, Silurian, Carboniferous
D.
Silurian, Carboniferous, Permian, Devonian
Q500 Allen NCERT BASED QUESTIONS MCQ
Time gap in between formation of earth & origin of life :
A.
0.5 Billion years
B.
1 Billion years
C.
4.5 Billion years
D.
4.0 Billion years