Question

What is chemotropism give an example name any two hormones?

Answer 1

Chemotropism: it is the phenomenon of growth of plant organs in response to chemicals.

Example: the movement of pollen tube of angiosperms and gymnosperms towards Sugars and peptones secreted by neck Canal cells of the female gametophyte is an example of chemotropism.

Plant hormones:auxin, gibberlins, cytokinin,ethylene and abscisic acid.

Answer 2

The growth of a plant part due to chemical stimulus is known as chemotropism or Chemotropism is the movement of a part of the plant in response to a chemical stimulus. The growth of pollen tube towards the ovule induced by a sugary substance as stimulus. This is an example of positive chemotropism.