Vines can curl around trellises because auxin becomes concentrated _______.
A) on the side of the stem touching the trellis
B) on the side of the stem away from the trellis
C) on the sunny side
D) on the shady side
E) on the side that is down-in the direction of gravity
Correct Answer:
Verified
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
Q91: High levels of _ promote germination.
A) auxin
B)
Q93: Except in roots,where it is concentrated,auxin causes
Q94: Auxin is _.
A) a plant hormone
B) a
Q95: Which of the following promotes fruit ripening?
A)
Q96: Response to light is called _.
A) autotropism
B)
Q97: To germinate,a seed needs _.
A) lots of
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