Botany-(general)

NEET Botany (general) MCQ Question

Type: MCQ-conceptual-Easy-Class 12

Which of the following statements about decomposition in ecosystems is correct?

A

Decomposition is an oxygen-requiring process that occurs faster in nitrogen-rich detritus.

B

Humus is easily decomposed by most microbes and does not serve as a nutrient reservoir.

C

Temperature and soil moisture do not influence the rate of decomposition.

D

Detritus rich in lignin decomposes faster than detritus rich in sugars.

Correct Answer

Option A

Detailed Explanation

Decomposition is largely an oxygen-requiring process, and it occurs faster in detritus rich in nitrogen and water-soluble substances like sugars, as indicated in the NCERT context.

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