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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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:
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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