Home Biology Ecosystem Previous Year Questions The rate of decomposition is faster in the e…
Biology Ecosystem Previous Year Questions Single Correct MCQ
Published on: August 21, 2026

The rate of decomposition is faster in the ecosystem due to following factors Except:

A
Warm and moist environment
B
Presence of aerobic soil microbes
C
Detritus richer in lignin and chitin
D
Detritus rich in sugars

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The correct answer is:
C

Decomposition is largely an oxygen-requiring process. The rate of decomposition is controlled by chemical composition of detritus and climatic factors. In a particular climatic condition, decomposition rate is quicker, if detritus is rich in nitrogen and water-soluble substances like sugars. Warm and moist environment also favour decomposition.

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