Botany-(general)

NEET Botany (general) Assertion Reason Question

Type: Assertion Reason-assertion-Medium-Class 12

Assertion (A): The rate of decomposition in an ecosystem is influenced by the chemical composition of detritus. | Reason (R): Detritus rich in lignin and chitin decomposes faster than that rich in nitrogen and water-soluble substances.

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 C

Detailed Explanation

The NCERT context states that decomposition is slower if detritus is rich in lignin and chitin, and quicker if rich in nitrogen and water-soluble substances. Therefore, the reason is false.

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