In plants,the aging process (including ripening) is regulated by _______.
A) auxin
B) ethylene
C) gibberellin
D) abscisic acid
E) auxin and ethylene
Correct Answer:
Verified
Q80: Flowering plants' eggs are produced inside _.
A)
Q81: Rotten fruit can give off _.
A) auxin
B)
Q82: In general,gibberellin promotes _.
A) seed germination
B) stem
Q83: Abscisic acid (ABA)_.
A) promotes plant growth and
Q84: High levels of _ promote seed dormancy.
A)
Q86: Low levels of _ promote seed dormancy.
A)
Q87: Low levels of _ promote germination.
A) auxin
B)
Q88: Gravitropism is assisted by a hormone in
Q89: In roots,where it is concentrated,auxin causes plant
Q90: When a plant stem is lying on
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