CBSE 2025 · Region 7 · Set 2 · Q5 · 1 mark
A dwarf pea plant was treated with gibberellic acid and it becomes as tall as a tall pea plant. If these treated pea plants are crossed with pure tall pea plants, the phenotypic ratio in $\displaystyle \mathrm{F}_{1}$ generation will be :
Official answer
From CBSE’s own marking scheme for this paper.
(A)
All tall
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CBSE Class 12 Biology past-paper question from the 2025board exam, with the answer as CBSE’s own marking scheme gives it. Where our answers come from.