What is chemotropism? Give one example. Name any two plant hormones an

1.	What is chemotropism? Give one example. Name any two plant hormones and mention their functions.
Answer» Chemotropism is the movement of a part of the plant in response to a chemical stimulus. It can be positive chemotropism or negative chemotropism. Example: The growth of pollen tube towards a chemical which is produced by an ovule during the process of fertilisation in a flower. Two plant hormones with their functions are as follows: Auxins promote cell elongation, root formation, cell division, respiration and other physiological processes like protein synthesis, etc. Gibberellins stimulate stem elongation, seed germination and flowering.

What is chemotropism? Give one example. Name any two plant hormones and mention their functions.

Answer»

Chemotropism is the movement of a part of the plant in response to a chemical stimulus. It can be positive chemotropism or negative chemotropism. Example: The growth of pollen tube towards a chemical which is produced by an ovule during the process of fertilisation in a flower. Two plant hormones with their functions are as follows: Auxins promote cell elongation, root formation, cell division, respiration and other physiological processes like protein synthesis, etc.

Gibberellins stimulate stem elongation, seed germination and flowering.

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