Multiple choice

Match the following:

 
a. Nastic movement 1. It is the non-directional movement of a plant part, usually petals, in response to light.
b. Thigmonasty 2. It is the movement of a plant part in response to an external stimulus in which the direction of response is not determined by the direction of stimulus.
c. Photonasty 3. It is the non-directional movement of a plant part in response to the touch of an object.

  1. a - 2, b - 1, c - 3

  2. a - 3, b - 1, c - 2

  3. a - 3, b - 2, c - 1

  4. a - 2, b - 3, c - 1

  5. a - 1, b - 3, c - 2
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

This is the correct option. Nastic movement is the movement of a plant part in response to an external stimulus in which the direction of response is not determined by the direction of stimulus. Thigmonasty is the non-directional movement of a plant part in response to the touch of an object. Photonasty is the non-directional movement of a plant part, usually petals, in response to light.

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