High levels of _______ promote seed dormancy.
A) auxin
B) gibberellin
C) ethylene
D) cytokinins
E) abscisic acid
Correct Answer:
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Q79: In extremely hot,arid environments,plants may _.Select the
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
Q85: In plants,the aging process (including ripening)is regulated
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
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