CBSE 2025 · Region 2 · Set 1 · Q6 · 1 mark
The opening and closing of stomata is regulated by :
Official answer
From CBSE’s own marking scheme for this paper.
(D)
Amount of water in guard cells
Life ProcessesTransportation in PlantsRemembermcqeasy
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CBSE Class 10 Science past-paper question from the 2025board exam, with the answer as CBSE’s own marking scheme gives it. Where our answers come from.