Home Biology Ecosystem Statement Based Questions Given below are two statements: Statement-I:…
Biology Ecosystem Statement Based Questions Single Correct MCQ
Published on: August 12, 2026

Given below are two statements:

Statement-I: Decomposition is a process in which the detritus is degraded into simpler substances by microbes.
Statement-II: Decomposition is faster if the detritus is rich in lignin and chitin
In the light of the above statements, choose the correct answer from the options given below.

A
Statement-I is incorrect but Statement-II is correct
B
Both Statement-I and Statement-II are correct
C
Both statement-I and statement-II are incorrect
D
Statement-I is correct but Statement-II is incorrect

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Text Solution

Verified by Experts
The correct answer is:
D

Decomposers break down complex organic matter into inorganic substances like carbon dioxide, water and nutrients and the process is called decomposition. In a particular climatic condition, decomposition rate is slower if detritus is rich in lignin and chitin, and quicker, if detritus is rich in nitrogen and water-soluble substances like sugars.

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