Botany-(general)

NEET Botany (general) MCQ Question

Type: MCQ-conceptual-Medium-Class 12

Which of the following statements about decomposition and ecological pyramids is correct?

A

Decomposition is primarily an anaerobic process enhanced by high lignin content in detritus.

B

The rate of decomposition is influenced by the chemical composition of detritus and climatic factors.

C

Ecological pyramids illustrate only the biomass at the bottom trophic levels, ignoring higher levels.

D

Decomposers do not contribute to nutrient cycling within an ecosystem.

Correct Answer

Option B

Detailed Explanation

The rate of decomposition is indeed influenced by the chemical composition of detritus and climatic factors, as stated in the NCERT context. Option A is incorrect because decomposition is largely an aerobic process, while option C misrepresents ecological pyramids, and option D overlooks the crucial role of decomposers in nutrient cycling.

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