Q3 of 86 Page 152

i) What happens to the dandelion flower

a) during the daytime?


b) at night?


ii) What is the phenomenon known as?

i.

a. During day time dandelion flower opens its petals.


b. During night time it closes its petals.


ii. This phenomenon is known as photonasty i.e. non-directional movements of flowers in response to stimulus of light.


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