Question

Give an examples of Curvature movements in following cases intrinsic and extrinsic ?

Answer 1

Intrinsic:-

1. In Desmodium plant, leaf have terminal leaflets and the 2 lateral leaflets. During day, lateral leaf move up and down due to variation in turgidity.
2. Tendrils become spiral due to more growth on the tips.

Extrinsic:-

1. Stem move towards light. (phototropism).
2. Geotropism