Question

Explain the process of chemotropism with the help of a diagram

Answer 1

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.

Answer 2

Answer:

Chemotropism : growth dependent movement of parts of plans in response to stimulus of chemicals

eg: growth of pollen tube towards ovary.