CBSE 2026 · Region 2 · Set 1 · Q8 · 1 mark
What is the role of histamine released by mast cells?
Official answer
From CBSE’s own marking scheme for this paper.
(B)
Causes allergic symptoms
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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.