Question

the non directional movement of a plant part in response to temperature is called
a)Thermotropism
b)Thermonasty
c)Chemotropism
d)Thigmonasty​

Answer 1

Dear Student,

◆ Answer -

The non-directional movement of a plant part in response to temperature is called thermonasty.

● Thermonasty -

   Movement of plant parts in random direction as response to change in temperature is called thermonasty.

# For example -

•    With rise in temperature during day, tulip flowers will open up.
•    With decrease in temperature at night, flowers of tulip close.

Thanks dear. Hope this helps you...