Question

6. What is a tropic movement? Explain with an example.

Answer 1

When plants are group in some direction where stimulus is given is known as tropic movement it is of 5 types.

Answer 2

Answer:

The movements which are in a particular direction in relation to the stimulus are called tropic movements. Tropic movements happen as a result of growth of a plant part in a particular direction. There are four types of tropic movements, viz. geotropic, phototropic, hydrotropic and thigmotropic.

Example :  Roots usually show positive geotropic movement, i.e. they grow in the direction of the gravity. Stems usually show negative geotropic movement.