Botany-Cell Cycle Phases

NEET Botany Cell Cycle Phases Assertion Reason Question

Type: Assertion Reason-assertion-Hard-Class 11

Assertion (A): During the S phase of interphase, chromosomes are duplicated, resulting in each chromosome consisting of two sister chromatids. | Reason (R): The G1 phase of interphase is responsible for cytoplasmic growth and organelle duplication.

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 B

Detailed Explanation

Assertion is true as S phase involves DNA replication and chromosome duplication. Reason is also true as G1 phase involves growth and organelle duplication, but it does not explain the chromosome duplication in S phase.

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