Question

The opening and closing of the stomatal pore depends upon.

1 point

Temperature

Oxygen

Concentration of CO2 in stomata

Water in guard cell

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Answer 1

Answer:

When a pair of guard cells surrounding a stoma receives the signal to open the stomatal pore, it is filled with water, thus changing the cell's shape and opening the pore. When guard cells receive a signal to close the stoma. This initiates a loss of water and causes them to shrink and the pore closes. Thus, the correct answer is option C.

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Answer 2

Answer:

When a pair of guard cells surrounding a stoma receives the signal to open the stomatal pore, it is filled with water, thus changing the cell's shape and opening the pore. When guard cells receive a signal to close the stoma. This initiates a loss of water and causes them to shrink and the pore closes.

UR ANS IS D) WATER IN GUARD CELL

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