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1
RE-NEET 2026
MCQ (Single Correct Answer)
+4
-1

A population of diploid organisms is at Hardy-Weinberg equilibrium. If the frequency of allele $A$ is 0.1 , the frequency of AA is $\_\_\_\_$ .

A

0.99

B

0.01

C

0.02

D

0.10

2
RE-NEET 2026
MCQ (Single Correct Answer)
+4
-1

Given below are two statements : one is labelled as Assertion A and the other is labelled as Reason $\mathbf{R}$.

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

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

B

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

C

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

D

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

3
RE-NEET 2026
MCQ (Single Correct Answer)
+4
-1

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)

4
NEET 2026
MCQ (Single Correct Answer)
+4
-1
Change Language

Which of the following is not an example of convergent evolution?

A

Flippers of penguins and dolphins

B

Eyes of octopuses and mammals

C

Fore limbs of whales and bats

D

Wings of butterflies and birds

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