Engineer & Medical

Evolution question bank (Zoology)

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Q1.

Natural selection can lead to __________.
(a) stabilisation
(b) genetic drift
(c) directional change
(d) disruption
Choose the correct answer from the options given below :

(A)

(a) and (c) only

(B)

(a) only

(C)

(a), (c) and (d) only

(D)

(a), (b), (c) and (d)

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Q2.

Given below are two statements : one is labelled as Assertion A and the other is labelled as Reason R.
Assertion A : Forelimbs of human and bats are homologous.
Reason R : Forelimbs of humans and bats have similar anatomical structure.
In the light of the above statements, choose the most appropriate answer from the options given below :

(A)

$\text{A}$ is false but $\text{R}$ is true

(B)

Both $\text{A}$ and $\text{R}$ are correct and $\text{R}$ is the correct explanation of $\text{A}$

(C)

Both $\text{A}$ and $\text{R}$ are true, but $\text{R}$ is not the correct explanation of $\text{A}$

(D)

$\text{A}$ is true but $\text{R}$ is false

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