(a) What does a Mimosa pudica plant do in response to touch ? What is this phenomenon known as ?(b) What happens to the dandelion flower (i) during daytime, and (ii) at night ? What is this phenomenon known as ?

(a) Mimosa pudica (Touch me not)  folds its leaves and droops immediately in response to touch. This phenomenon is known as thigmonasty.


(b)(i) A dandelion flower opens up during the daytime, and

(ii) It closes at night.

This phenomenon is known as photonasty.

Updated on: 24-Mar-2023

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