CBSE 2026 · Region 2 · Set 3 · Q2 · 1 mark
Self-incompatibility in some flowering plants is a mechanism that prevents self-fertilization. Fill in the blank with the appropriate option :
Official answer
From CBSE’s own marking scheme for this paper.
(D)
Genetic
Sexual Reproduction in Flowering PlantsPre-fertilisation: Structures and EventsRemembermcqmedium
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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.