Question

14. The opening and closing of stomatal pore depends upon
A. O2
B. guard cells
C. concentration of CO2 in stomata
D. Temperature ​

Answer 1

Answer:

the correct option is guard cell

Explanation:

water concentration in guard cell help in opening and closing of stomata.

when water flows into guard cells,the cell swell up which causes the stomatal aperture to open.

when water leave guard cells the cells shrink causing the stomatal aperture to close.

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