Home Biology Ecosystem Assertion & Reason Assertion: Decomposition helps to increase t…
Biology Ecosystem Assertion & Reason Single Correct MCQ
Published on: August 13, 2026

Assertion: Decomposition helps to increase the nutrients content of soil.

Reason: Inorganic matter is converted into complex organic matter during decomposition.

A
Both Assertion and Reason are true and Reason is correct explanation of Assertion.
B
Both Assertion and Reason are true, but Reason is not the correct explanation of Assertion.
C
Assertion is true, but Reason is false
D
Assertion is false, but Reason is true.

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Text Solution

Verified by Experts
The correct answer is:
C

The assertion is true because decomposition releases essential minerals back into the soil, enriching its nutrient profile

The reason is false because decomposition actually breaks down complex organic matter into simple inorganic substances

This process, known as mineralization, is the opposite of converting inorganic matter into complex organic forms

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