Multiple choice

Responses to stimuli by plants in the night is called

  1. thermonasty

  2. chemonasty

  3. thigmonasty

  4. nyctinasty
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

 Nyctinasty is a nastic movement in plants in response to the dark period during night and an example is closing of many leguminous leaves at the onset of darkness.

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