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Gaseous Exchange in Plants

Guard cells c...

Question

Guard cells control opening and closing of stomata.

A

False

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B

True

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Solution

The correct option is B True

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Q. Assertion: Opening and closing of stomata is controlled by guard cells.
Reason: Shrinking of guard cells results in the opening of stomatal pore.

Q. 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.

Q. What causes the opening and closing of guard cells of stomata during transpiration?

Q. Who proposed that opening and closing of stomata is connected with the change in pH of guard cells?

Q. Stomata opening and closing is due to the permeability of the guard cell. This fact was revealed by

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