Which of these hormones causes cell elongation, promotes apical dominance, and stimulates root branching?
A) Gibberellin
B) Cytokinin
C) Auxin
D) Abscisic acid
E) Ethylene
Correct Answer:
Verified
Q33: To encourage the formation of well-developed, heavily
Q34: Ethylene
A) stimulates seed germination.
B) promotes gravitropism.
C) causes
Q35: What causes the ʺleaf dropʺ that occurs
Q36: The relative sizes of roots and shoots
Q37: Most scientists believe that the lateral buds
Q39: Elongation of cells in stems is promoted
Q40: _induces dormancy in seeds and buds and
Q41: If a storm breaks off the top
Q42: The phytochrome Pr
A) is inactive and absorbs
Q43: Senescence in plants usually involves
A) shade from
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