Biology jamb 2007

The opening and closing of the stoma are regulated by

a

transpiration

b

respiration

c

diffusion

d

osmosis

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Explanation

Correct Option
d

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Discussions (10)

brigelina
7 years ago

Its osmosis, water enter the guards cells making them turgid and then they fold, opening the stomata

Ifefunke
9 years ago

Its osmosis

Gerald4585
10 years ago

it should be diffusion I think

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