CBSE 2026 · Region 4 · Set 2 · Q14 · 1 mark
Assertion (A) : Nucleopolyhedrovirus are useful, as they are good biological control agents.
Reason (R) : They are species-specific narrow spectrum bioinsecticides.
Official answer
From CBSE’s own marking scheme for this paper.
(A)
Both Assertion (A) and Reason (R) are true and Reason (R) is the correct explanation of the Assertion (A).
Microbes in Human WelfareMicrobes as Biocontrol AgentsUnderstandassertion_reasonmedium
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CBSE Class 12 Biology past-paper question from the 2026board exam, with the answer as CBSE’s own marking scheme gives it. Where our answers come from.