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Question
Dandelion flowers open the petals in bright light during the daytime but close the petals in dark at night. This response of dandelion flowers to light is called:
Options
phototropism
thigmonasty
chemotropism
photonasty
MCQ
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Solution
photonasty
Explanation
The response of dandelion flowers to light that involves the movement of the petals is an example of photonasty.
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