What causes the "leaf drop" that occurs in woody plants in preparation for winter dormancy?
A) Inhibition of gibberellin
B) Opened stomata
C) Increased chlorophyll development
D) Increased ethylene production
E) Suppressed auxin production
Correct Answer:
Verified
Q20: Roots grow downward and shoots grow upward
Q21: Suppose you have some seeds that refuse
Q22: Most scientists believe that the lateral buds
Q23: Abscisic acid enforces dormancy of seeds by
A)
Q24: A species- specific ratio of produced in
Q26: The relative sizes of roots and shoots
Q27: Elongation of cells in stems is promoted
Q28: Auxin
A) promotes phototropism.
B) stimulates flowering.
C) promotes cell
Q29: What will happen to a long- day
Q30: Which of these hormones causes cell elongation,
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