Experiments have shown that xylem sap transport peaks ____.
A) in the early morning
B) by mid-morning
C) at midday
D) in the evening
E) overnight
Correct Answer:
Verified
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
Q49: Stomata generally close in response to _.
A)
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
Q55: The major cost to plants for having
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