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Stomata are bound by a pair of guard cells. Stomata close when guard cells become-

General Science Biology Class 12th

Q. 5 of Quiz-966 (Que-ID : 1714)

Stomata are bound by a pair of guard cells. Stomata close when guard cells become-

  • Turgid
  • flacid
  • half flacid
  • small

Ans → (b)flacid

Explanation → Stomata control the exchange of gases in leaves and also controls the loss and absorption of water. closing and opening of stomata depend on the action of guard cells. In light guard, cells absorb water, become turgid and the stoma opens. In the dark, the guard cells lose water, become flaccid and the stoma closes.

This question is taken from this post → Basics of Biology MCQs Practice Test #1 | General Science quiz - attemp/practice


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