Thplant hormonthat initiates formation of lateral roots is
A) auxin.
B) gibberellin.
C) cytokinin.
D) abscisic acid.
E) ethylene.
Correct Answer:
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Q74: _ arstuffewith starch grains anoccur in throot
Q75: Thtarget cells for hormones
A)have special receptor (binding)
Q76: Studies on thgrowth of coleoptiles involve
A)florigen.
B)ethylene.
C)auxin.
D)abscisic acid.
E)gibberellin.
Q77: In contrast to most other plant hormones,
Q78: Thplant hormonthat inhibits apical dominancis
A)auxin.
B)gibberellin.
C)cytokinin.
D)abscisic acid.
E)ethylene.
Q80: Thonly plant hormonthat is gaseous is
A)auxin.
B)gibberellin.
C)cytokinin.
D)abscisic acid.
E)ethylene.
Q81: If peach trees growing in specific milclimates
Q82: _ refers to thphasfrofull maturity until theventual
Q84: Photochromis thpigment responsiblfor
A)thigmotropism.
B)phototropism.
C)gravitropism
D)photoperiodism.
E)senescence.
Q117: Abscission can affect
A) leaves.
B) fruits.
C) flowers.
D) all
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