Question

Identify the tropic movement in the picture below:

• A. Chemotropic movement
• B. Haptotropic movement
• C. Hydrotropic movement
• D. Geotropic movement

Answer 1

The correct option is B

Haptotropic movement

Haptotropism which is also called as thigmotropism is the response of a plant to the stimulus of touch. Tendrils of a plant on touching a solid support show haptotropic movement by winding around it. Chemotropism is movement in response to a chemical stimulus. Geotropic movement is a movement in response to the gravitational force of earth. Hydrotropism is movement in response to moisture.