Activities Quiz 39 key - practice PDF

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Site Title: Campbell Biology Book's Title: Biology Book's Author: Campbell, Reece Quiz Location: 39: Plant Responses to Internal and External Signals > Activities Quiz Results Reporter Summar y: 0% C orrect 100% Of 12 questions , here are your results: 0 c orrect or not graded 0 incorrect 12 unanswered

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Submitted on Sat Apr 17 2021 11:50:58 GM T-0500 (C entral D aylight T ime)

1.

Not Evergreen trees lose their leaves _____. (Activity: Leaf Abscission) Answered The Correct Answer: steadily all year

2.

Click on the diagram to start the animation. Not Answered The abscission layer is indicated by the letter _____. (Activity: Leaf Abscission)

The Correct Answer: C

3.

Not The breakdown of chlorophyll reveals the _____ pigments of a leaf. (Activity: Leaf Abscission) Answered The Correct Answer: carotenoid

4.

Not The formation of the abscission layer cuts off transport of substances to and from the leaf. As the concentration of sugar Answered trapped within a leaf increases, _____ pigments are produced. (Activity: Leaf Abscission) The Correct Answer: anthocyanin

5.

Not The protective layer that forms between the abscission layer and the stem consists of _____. (Activity: Leaf Abscission) Answered The Correct Answer: densely colored cells filled with a waxy layer

6.

Not After leaf abscission, growth will resume from the _____. (Activity: Leaf Abscission) Answered The Correct Answer: axillary bud

7.

Not

trees lose their leaves in preparation for winter. (Activity: Leaf Abscission)

8.

Not For a short-day plant, the _____ is critical in determining if flowering will occur. (Activity: Flowering Lab) Answered The Correct Answer: minimum number of hours of darkness

9.

Not For a long-day plant, the _____ is critical in determining if flowering will occur. (Activity: Flowering Lab) Answered The Correct Answer: maximum number of hours of darkness

10.

Not Day-neutral plants flower regardless of _____. (Activity: Flowering Lab) Answered The Correct Answer: day length, night length, or photoperiod

11.

Not Which of these would inhibit flowering in a short-day plant with a critical night length of 12 hours? (Activity: Flowering Answered Lab) The Correct Answer: 12 hours of light, 6 hours of dark, a flash of red light, 6 hours of dark

12.

Not Which of these would stimulate flowering in a long-day plant with a critical night length of 12 hours? (Activity: Flowering Answered Lab) The Correct Answer: 12 hours of light, 6 hours of dark, a flash of red light, 6 hours of dark

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