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Zoology-Origin of Life

NEET Zoology Origin of Life Assertion Reason Question

Type: Assertion Reason-assertion-Easy-Class 12

Assertion (A): The first cellular forms of life originated in a water environment.

Reason (R): The early Earth had an atmosphere composed of water vapor, methane, carbon dioxide, and ammonia.

A

Both A and R are true and R is the correct explanation of A.

B

Both A and R are true but R is not the correct explanation of A.

C

A is true but R is false.

D

A is false.

Correct Answer

Option A

Detailed Explanation

The NCERT context states that the first cellular forms of life originated in a water environment and describes the early Earth's atmosphere composition, which supports this condition.

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