CBSE 2025 · Region 6 · Set 1 · Q20 · 1 mark
Assertion (A) : Food web is a network of several food chains operating in an ecosystem.
Reason (R) : Food web decreases the stability of an ecosystem.
Official answer
From CBSE’s own marking scheme for this paper.
(C)
Assertion (A) is true, but Reason (R) is false.
Our EnvironmentFood Chains and Food WebsAnalyseassertion_reasonmedium
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CBSE Class 10 Science past-paper question from the 2025board exam, with the answer as CBSE’s own marking scheme gives it. Where our answers come from.