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Biology · 2026 · 2 marks
CBSE 2026 · Region 1 · Set 1 · Q17
(a) Define Humoral immune response. (b) Name any two types of antibodies found to give humoral immune response in humans.
(a)
Define Humoral immune response.
(b)
Name any two types of antibodies found to give humoral immune response in humans.
Marking-scheme solution
(a)
An immune response where the B-lymphocytes produce an army of proteins in response to pathogens into our blood to fight with them.
(b)
Antibodies – IgA, IgE, IgM, IgG
(Any two)
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CBSE Class 12 Biology past-paper question from the 2026 board exam, with the answer as CBSE’s own marking scheme gives it. Where our answers come from.