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    Exam 39: Plant Responses to Internal and External Signals
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    Most Plants Close Their Stomata at Night
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Most Plants Close Their Stomata at Night

Question 92

Question 92

Multiple Choice

Most plants close their stomata at night. What colour of light would be most effective in promoting stomatal opening in the middle of the night?


A) red
B) far-red
C) blue
D) red followed by far-red
E) far-red followed by blue

Correct Answer:

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