Botany-Food Chains & Webs

NEET Botany Food Chains & Webs Assertion Reason Question

Type: Assertion Reason-assertion-Medium-Class 12

Assertion (A): In terrestrial ecosystems, a larger fraction of energy flows through the detritus food chain compared to the grazing food chain. | Reason (R): Decomposers in the detritus food chain break down dead organic matter to release simple inorganic materials.

A

Both A and R are true, and R is the correct explanation of A.

B

Both A and R are true, but R is not the correct explanation of A.

C

A is true, but R is false.

D

A is false.

Correct Answer

Option A

Detailed Explanation

The NCERT context explains that in terrestrial ecosystems, more energy flows through the detritus food chain due to the role of decomposers in breaking down dead organic matter, which supports A and R with R explaining A.

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