Question

Explain  the  following  terms:
(a)  Hydrotropic  movement
(b)  Chemical  control  in  animals


MSCERT Class 10 General Science Ch11 The Regulators of Life

Answer 1

(a)Hydrotropic movement-We can say it to be a movement or the growth of root system towards the response of stimulus of water which is termed as Hydrotropic movement.
(b)Chemical control in animals-The hormones(chemical substances) secreted by animals through endocrine glands brings about the chemical control in animals.