Biology, asked by tivarisuraja341, 10 months ago

Explain mechanism of opening and closing of stomata​

Answers

Answered by raghvendrasinghfzd16
2

Answer:

Opening and closing of stomata is controlled by concentration of solutes in the guard cell. ... This makes the water from the guard cells to move away into neighbouring cells. Now, guard cells becom flaccid with no water. They collapse against each other and result in the closing of stomata.

Explanation:

Answered by lohithamahivara
1

Answer:

Stomata are small pores present in the epidermal cells of leaves in plants. Stomata are open during the day and close during night.Stomata take in carbon dioxide required for the photosynthetic activity during the day. They give out excess water released in the process of respiration during night along with carbon dioxide. Opening and closing of stomata is controlled by concentration of solutes in the guard cell. Mechanism of opening and closing of stomata Opening of stomata: Solutes from neighbouring epidermal and mesophyll cells enter the guard cells lowering its osmotic potential and water potential. This lowered water potential and osmotic potential will allow movement of water into guard cells from neighbouring cells. Guard cells become turgid due to water accumulation in them which results in the opening of the guard cells. Closing of stomata: As the somata open the solute concentration is reduced. This makes the water from the guard cells to move away into neighbouring cells. Now, guard cells becom flaccid with no water. They collapse against each other and result in the closing of stomata.

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