Stomata generally close in response to ____.
A) the release of abscisic acid by the roots
B) a drop in CO2concentration in leaf air spaces
C) exposure to red light
D) a drop in O2concentration in leaf air spaces
E) an increase in CO2concentration in the leaf air spaces
Correct Answer:
Verified
Q44: According to the cohesion-tension mechanism of water
Q45: Stomata are opened when _ guard cells
Q46: Stomata generally open in response to _.
A)
Q47: In herbaceous plants, the stress-related closing of
Q48: In CAM plants, such as cacti, stomata
Q50: Experiments have shown that xylem sap transport
Q51: The movement of xylem sap is best
Q52: Theoretically, based on the cohesion-tension mechanism, the
Q53: In most plants, stomata are _.
A) open
Q54: The principal driving force for guttation is
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