Answer:
Plants
also perform coordination of various activities with the help of hormones.
Hormones are the chemical compounds released by stimulated cells that can
diffuse to various locations in plants and perform different functions. Plant
hormones are also called as phytohormones.
Types of plant hormones are
(i) Auxins They are synthesised at shoot tips.
They help the cell to grow longer. It prefers to stay at
dark regions of plant (regions away from light).
(ii) Gibberellins They help in the growth of the stem.
(iii) Cytokinins They are the naturally occurring hormones.
They promote cell division. They are found in areas of rapid division.
(iv) Abscisic acid It provides signals to stop growth. It inhibits
growth. (5)
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