Question

Increase in CO₂ concentration around leaf results in
(a) rapid opening of stomata
(b) partial closure of stomata
(c) complete closure of stomata
(d) no effect on stomatal opening

Answer 1

Answer:

no effect on stomatal opening the answer is not right to search in gogle

Answer 2

Partial closure of the stomata increases the CO2 around the leaves.

Explanation:

Through the stomatal pore there is decrease in gaseous diffusion which is cause by the closure of the stomata .When Co2 increases many  species tend to grow.

Also the stomata is known to be controlled by the CO2 and gas exchange of the water vapor. When there is stomatal conductance reduction CO2 increases.

Additionally, CO2 is said to rise seasonally thus making the leaf expansion and stomata density to vary.

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