Question

Which of the following statement is correct regarding opening and closing of stomata?
(i) stomata opens when guard cells are turgid.
(ii) stomata closes when guard cells are turgid.
(iii) stomata opens when guard cells are flaccid.
(iv) stomata closes when guard cells are flaccid.

• A. ii and iii
• B. i and ii
• C. i and iv
• D. iii and iv

Answer 1

The correct option is C i and iv

Turgid means swollen and distended condition. Stomata open when guard cells are turgid. Flaccid means soft or limp. Stomata close when guard cells are flaccid.