Question

What is chemotropism explain

Answer 1

The directional movement of a plant in response to the external stimulus of chemical substances is called chemotropism.

Answer 2

Define chemotropism.

A directional movement due to Chemical change.

Ex: Pollen tube toward 0vule.

The growth of pollen tube towards ovule induced by chemical (stigmatic fluid).

Pollen tube grow down the style due to chemical substance produced by ovule during fertilisation.

Positive: Towards stimulus

Negative: Away from stimulus