3516: Which of the following were the aims behind the setting up of the World Trade Organization (WTO) ?

I. Promotion of free trade and resource flows across countries.
II. Protection of intellectual property rights.
III. Managing balanced trade between different countries.
IV. Promotion of trade between the former East Block countries and the western world.

Select the correct answer by using the codes given below :

Codes :

(a) I, II, III and IV

(b) I and II

(c) II and III

(d) I and IV
3517: Which one of the following statements is not correct?

(a) The boiling point of an aqueous solution is higher than that of pure water

(b) Addition of solutes to a solution causes an increase in its water potential

(c) The vapour pressure of the water in a solution is lower than that of pure water

(d) When a solution is separated from water by a semi permeable membrane, water movement can be prevented by applying pressure to the solution
3518: How much is one barrel of oil approximately equal to?

(a) 131 litres
(b) 159 litres
(c) 257 litres
(d) 321 litres
3519: Consider the following features of newer models of motor cars :

I. Radial tyres
II. Streamlined body
III. Multipoint fuel injection
IV. Catalytic converter with exhaust

Which of these features make the newer models of motor cars more fuel efficient ?

(a) I and II
(b) II and III
(c) II, III and IV
(d) I, III and IV
3520: With reference to the work of human kidney, consider the following statements:

1. After the waste is removed in the kidney, the cleaner blood is sent back through renal artery.
2. From Bowman's capsule, the filtered liquid passes through tiny tubes where much of the glucose is reabsorbed and sent back to the blood in the renal vein.

Which of these statements is/the correct?

(a) Only 1
(b) Only 2
(c) Both 1 and 2
(d) Neither 1 nor 2