A male gorilla has 48 chromosomes in each of its body cells. How many chromosomes will each of the sperms have?

1. 24
2. 48
3. 12
4. 16

Assertion (A): Sympathetic nervous system prepares the body for violent action against abnormal conditions.

Reason (R): Sympathetic nervous system accelerates heartbeat.

Which of the following is correct?

1. Both A and R are True
2. A is True, R is False
3. A is False but R is True
4. Both A and R are False

Industrial Melanism was observed in:

1. Mice
2. Peppered Moth
3. House Flies
4. Crow

Name the following:

(a) Unicellular outgrowths from the epidermis of roots.

(b) A defect in our eyes, in which some parts of the object are in focus while the other parts are blurred.

(c) The tropic movement of plant parts in response to chemicals.

(d) The main nitrogenous waste formed in the body.

(e) The process of attachment of fertilized ovum to the wall of uterus.