CBSE 2023 · Region 3 · Set 3 · Q15 · 1 mark
Assertion (A) : Biologists are sure about how many prokaryotic species are living now. Reason $\displaystyle (R)$ : The conventional taxonomic methods are not suitable for identifying microbial species.
Official answer
From CBSE’s own marking scheme for this paper.
(D)
Assertion (A) is false, but Reason (R) is true.
Microbes in Human WelfareMicrobes in Household ProductsUnderstandassertion_reasonmedium
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CBSE Class 12 Biology past-paper question from the 2023board exam, with the answer as CBSE’s own marking scheme gives it. Where our answers come from.