Q. 165.0( 1 Vote )

Name the cell that surrounds the stoma.

Answer :

Guard cells surround the stoma. They are bean or kidney shaped. They have thick inner walls but thin outer walls. When they become turgid the stomata opens during day time. But at night time the guard cells turn flaccid closing the stomata.

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Define photosynthesis.

Tamilnadu Board Science

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Tamilnadu Board Science