Which class of hormones produced in the roots of plants promotes cell division and growth and retards the aging of flowers and leaves?
A) gibberellins
B) phytochromes
C) cytokinins
D) ethylene
Correct Answer:
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Q2: Grass shoots bend toward the light because,
Q3: Plants grow toward light through the action
Q4: The event that triggers fruit formation is
Q5: The most reliable way to stimulate branching
Q6: Under what conditions would you expect a
Q8: One experiment in phototropism involved cutting off
Q9: Fruit that forms on an unpollinated plant
Q10: Which substance induces "bolting," the rapid elongation
Q11: Which statement about plant hormones is true?
A)
Q12: When a nursery worker pinches off the
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