Question

Name two synthetic auxins.

Answer 1

Synthetic auxins:

1. Auxin is a plant hormone. It is found naturally in plants and can be synthesised artificially.
2. Artificially synthesised auxins are called synthetic auxins.
3. Synthetic auxins are other chemical compounds that have been synthesized and exhibit auxin activity.
4. Two synthetic auxins are:

1. $2,4-\mathrm{Dichlorophenoxyacetic}\mathrm{acid}(2,4-\mathrm{D})$
2. $\mathrm{Indole}-3-\mathrm{pyruvic}\mathrm{acid}$.

3. Auxins play an important role in the growth and development of plants and some of their functions are.

1. Auxins facilitate elongation of stem in the plant.
2. Auxins regulate the development of seedlings by regulating the growth of cells of the plant.
3. Auxins stimulate the branching of roots.