Question

Name the directional movements towards the chemical stimulus in plants.

Answer 1

Chemotropism:

1. The directional movement of plants toward a chemical stimulus is known as chemotropism.
2. An example of chemotropic movement in plants is the growth of the pollen tube towards the ovule in plants. The ovule secretes certain nutrients and chemotactic chemicals for growth which stimulate the pollen tube to grow through the style toward the chemicals.