Give reasons for the following :

(a)

Adrenal gland is known as the stress gland of the body.

(b)

Prenatal sex determination is banned in India.

(c)

Vegetative propagation is advantageous in some plants.

(a) Because adrenal gland secretes adrenaline hormone that enables the animal body to face a scary situation.

(b) To prevent female foeticide.

(c) Plants raised by vegetative propagation can bear flowers and fruits earlier than those produced from seeds / Such methods also make possible the propagation of plants such as banana, orange, rose and jasmine that have lost the capacity to produce seeds / All plants produced are genetically similar enough to the parent plant to have all its characteristics.