When a nursery worker pinches off the terminal buds on a young plant to make it grow bushy, which plant hormone, when produced, is mainly responsible for growth of side branches?
A) an auxin
B) a gibberellin
C) a cytokinin
D) abscisic acid (ABA)
Correct Answer:
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Q7: Which class of hormones produced in the
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)
Q13: Which substance might induce seeds treated with
Q14: If the auxin that is produced by
Q15: Which example of an evolutionary adaptation decreases
Q16: Plant hormones
A) must be produced in large
Q17: Shoot branching is controlled mainly by the
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