NCERTzoology Evolution NEET 2021 online exam,Biology MCQs,PDFs

Evolution Mock Exam-14

Question No:1

Sweet potato and potato are examples of:

[A] Homologous structures
[B] Analogous structures
[C] Both (a) and (b)
[D] None of these



Question No:2

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

[A] Hardy-Weinberg principle
[B] Chemiosmotic theory
[C] Malthusian principle
[D] Cloning theory



Question No:3

Which of the following defines Hardy-Weinberg’s law?

[A] p2 + 2pq + q2 = 0
[B] q2 +p2 + 2pq = 0
[C] p2 + 2pq + q2 = 1
[D] p2 + 3pq + q2=1



Question No:4

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

[A] saltation
[B] evolution
[C] limiting factors
[D] natural selection



Question No:5

Assertion: The Big bang theory attempts to explain to us the origin of universe.
Reason: It talks of a singular huge explosion unimaginable in physical terms.

[A] If both the assertion and the reason are true and the reason is a correct explanation, of the assertion
[B] If both the assertion and reason are true but the reason is not a correct explanation of the assertion
[C] If the assertion is true but the reason is false
[D] If both the assertion and reason are false



Question No:6

Assertion: Natural selection is mechanism of evolution.
Reason: Those who are better fit in an environment, leave more progeny than other, therefore will survive more and hence selected by nature.

[A] If both the assertion and the reason are true and the reason is a correct explanation, of the assertion
[B] If both the assertion and reason are true but the reason is not a correct explanation of the assertion
[C] If the assertion is true but the reason is false
[D] If both the assertion and reason are false



Question No:7

Assertion: Homologous organ represent divergent evolution.
Reason: Homology indicate common ancestry.

[A] If both the assertion and the reason are true and the reason is a correct explanation, of the assertion
[B] If both the assertion and reason are true but the reason is not a correct explanation of the assertion
[C] If the assertion is true but the reason is false
[D] If both the assertion and reason are false



Question No:8

Assertion: Single step large mutation is called saltation.
Reason: Mutation is responsible for speciation.

[A] If both the assertion and the reason are true and the reason is a correct explanation, of the assertion
[B] If both the assertion and reason are true but the reason is not a correct explanation of the assertion
[C] If the assertion is true but the reason is false
[D] If both the assertion and reason are false



Question No:9

Assertion: Homo erectus probably ate meat.
Reason: Homo erectus had a large brain around 900 cc.

[A] If both the assertion and the reason are true and the reason is a correct explanation, of the assertion
[B] If both the assertion and reason are true but the reason is not a correct explanation of the assertion
[C] If the assertion is true but the reason is false
[D] If both the assertion and reason are false



Question No:10

Assertion: Pouched mammals of Australia survived by continental drift. Reason: It is because of lack of competition from any other mammals.

[A] If both the assertion and the reason are true and the reason is a correct explanation, of the assertion
[B] If both the assertion and reason are true but the reason is not a correct explanation of the assertion
[C] If the assertion is true but the reason is false
[D] If both the assertion and reason are false



Question No:11

Assertion: Agriculture came around 8,000 years ago.
Reason: Pre-historic cave art developed about 0000 years ago.

[A] If both the assertion and the reason are true and the reason is a correct explanation, of the assertion
[B] If both the assertion and reason are true but the reason is not a correct explanation of the assertion
[C] If the assertion is true but the reason is false
[D] If both the assertion and reason are false



Question No:12

Assertion: Dryopithecus was more man-like.
Reason: Ramapithecus was more ape – like.

[A] If both the assertion and the reason are true and the reason is a correct explanation, of the assertion
[B] If both the assertion and reason are true but the reason is not a correct explanation of the assertion
[C] If the assertion is true but the reason is false
[D] If both the assertion and reason are false



Question No:13

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

[A] If both the assertion and the reason are true and the reason is a correct explanation, of the assertion
[B] If both the assertion and reason are true but the reason is not a correct explanation of the assertion
[C] If the assertion is true but the reason is false
[D] If both the assertion and reason are false



Question No:14

Assertion: Human losses gene for tail.
Reason: Lamarck’s theory of evolution is known as theory of continuity of germplasm.

[A] If both the assertion and the reason are true and the reason is a correct explanation, of the assertion
[B] If both the assertion and reason are true but the reason is not a correct explanation of the assertion
[C] If the assertion is true but the reason is false
[D] If both the assertion and reason are false



Question No:15

The most apparent change during the evolutionary history of Homo sapiens is raced in

[A] Loss of body hair
[B] Walking upright
[C] Shortening of the jaws
[D] Remarkable increase in the brain size