37. Plant Sensation and Response
Phototropism
Multiple Choice
Multiple ChoiceA certain short-day plant flowers when days are less than 12 hours long. Which of the following treatments will result in flowering?
A
A 15-hour day and a 9-hour night
B
An 8-hour day and a 16-hour night with 1 minute of white light after 8 hours
C
A 12-hour day and a 12-hour night with 1 minute of white light after 6 hours
D
Alternating 4-hour periods of light and darkness
E
An 11-hour day with 1 minute of darkness after 6 hours, followed by a 13-hour night
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