A dry breeze increases the rate of transpiration mainly because it:
A) cools the leaf.
B) warms the leaf.
C) increases the CO2 gradient across the leaf surface.
D) decreases the CO2 gradient across the leaf surface.
E) increases the vapor pressure difference across the leaf surface.
Correct Answer:
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Q1: In vascular plants, cavitation is the:
A)rupture of
Q3: Which of the following statements about stomatal
Q4: Stomatal transpiration involves two steps:
A)evaporation and diffusion.
B)evaporation
Q5: Plants in hot climates regularly close their
Q6: Which of the following statements concerning the
Q7: Phototropins are:
A)osmoticums.
B)photoreceptors.
C)microfibrils.
D)enzymes.
E)active-transport proteins.
Q8: Plants with crassulacean acid metabolism:
A)open their stomata
Q9: The rate of transpiration is affected by
Q10: In the process of stomatal closing, which
Q11: The principle solute involved in creating a
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