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Question
The requirement of cold weather before a particular plant process occurs (e.g., germination) is known asa. the biological clock.
b. vernalization.
c. photoperiodism.
d. biennial life cycle.
e. biorhythm.
Answer
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b. B.
c. C.
d. D.
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b. B.
c. C.
d. D.
e. E.
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a. 2
b. 7
c. 8
d. 14
e. 16