Q.

What are the functions of stomata ?

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a

Stomata are responsible for the interchange of gases for respiration and photosynthesis.

b

It helps in the transpiration of water, i.e., the loss of excess water from the plant.

c

Loss of water from the stomata creates an upward pull, i.e., suction pull which helps in absorption of water from the roots.

d

All of the above

answer is D.

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Detailed Solution

Concept: Stomata are modest pores or openings on the surface of a leaf. Stomata play an imperative part in vaporous trade and photosynthesis. They control the transpiration rate by opening and closing. It makes a difference in the transpiration of water. Loss of water from the stomata makes an upward drag, i.e., suction drag, which makes a difference in the assimilation of water from the roots. They offer assist in trading for gasses in plants.

Hence, the correct answer is option D.

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What are the functions of stomata ?