Question

kidney shaped cells surrounding stomata are ......... cells​

Answer 1

Answer:

answer

Explanation:

the kidney shaped cells surrounding stomata are guard cells

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Answer 2

Kidney shaped cells surrounding stomata are guard cells.

Mechanism of Opening and closing of Stomata:-

Opening and closing of stomata occurs due to turgor changes in guard cells. Due to endosmosis, an increase in turgor of guard cells take place which finally results in stretching and bulging out of their outer thin walls. This results in the pulling apart of the opposed inner thicker walls creatingan opening or pore in guard cells of stomata. When the turgor pressure of guard cells decreases, inner wals sag, leading to closure of space between them. This is due to loss of water (exosmosis) from guard cells, resulting in thicker walls moving closer and finally shutting the opening.

Features of stomata:-

(i) Helps in gaseous exchange.

(ii) Helps in loss of water.

(iii) Diffusion of some important molecules or ions of a gas.

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