4221: The pituitary gland by virtue of its tropic hormones controls the secretory activity of other endocrine glands. Which one of the following endocrine glands can function independent of the pituitary gland ?

(a) Thyroid
(b) Gonads
(c) Adrenals
(d) Parathyroid
4222: Which one of the following is not a Harappan site?

(a) Chanhudaro

(b) Kot Diji

(c) Sohgaura

(d) Desalpur
4223: Which one of the following port cities in Venezuela has been developed as an oil port?

(a) Caracas
(b) Maracaibo
(c) Maracay
(d) Carupano
4224: Consider the following chemicals :

1. Benzene

2. Carbon tetrachloride

3. Sodium Carbonate

4. Trichloroethylene

Which of the above is/are used as dry cleaning chemicals ?

(a) 1 Only
(b) 2 Only
(c) 1, 2 and 4 Only
(d) 1, 2, 3 and 4
4225: How many three-digit even numbers are there such that 9 comes as a succeeding digit in any number only when 7 is the preceding digit and 7 is the preceding digit only when 9 is the succeeding digit?

(a) 120
(b) 210
(c) 365
(d) 405