Question

(c) Give an example of chemotropism.​

Answer 1

Answer:

The growth movement in plants in response to chemical stimuli is known as chemotropism . For example, the growth of pollen tube towards the ovule in the ovary (through the stigma and style) is an example of positive chemotropism.

Answer 2

There are several Plant Hormones classes, namely, Auxin, Cytokinin, Gibberellin, Abscisic Acid, Ethylene. Here are the functions of plant hormones in short. Functions of Auxin : Cell enlargement, apical dominance, prevention from bending; promote xylem differentiation, healing of wounds of plants.

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