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Biology · 2025 · 1 mark
CBSE 2025 · Region 6 · Set 3 · Q13
Assertion (A): An antibody is a protein molecule made by the lymphocytes. Reason (R): An antibody binds to a specific foreign antigen and neutralizes…
Assertion (A): An antibody is a protein molecule made by the lymphocytes.
Reason (R) : An antibody binds to a specific foreign antigen and neutralizes its odd effects.
Official answer
(A)
Both Assertion (A) and Reason (R) are true and Reason (R) is the correct explanation of the Assertion (A).
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CBSE Class 12 Biology past-paper question from the 2025 board exam, with the answer as CBSE’s own marking scheme gives it. Where our answers come from.