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Question
Sunflowers open the petals in bright light during the daytime but close the petals in dark at night. This response of sunflowers is called ______.
Options
geonasty
thigmonasty
chemonasty
photo nasty
MCQ
Fill in the Blanks
Solution
Sunflowers open the petals in bright light during the daytime but close the petals in dark at night. This response of sunflowers is called photo nasty.
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