36: If a potato is placed on a pure paper plate which is white and unprinted and put in a microwave oven, the potato heats up but the paper plate does not. This is because:
(a) Potato contains water whereas paper does not contain water
(b) Potato transmits microwaves whereas paper reflects microwaves
(c) Potato is mainly made up of starch whereas paper is mainly made up of cellulose
(d) Potato is a fresh organic material whereas' paper is a dead organic material
37: The minute arm of a clock is 10 cm long. The number of minutes taken by the tip of the arm to travel a length of 10 cm is nearly equal to:
(a) 5
(b) 10
(c) 15
(d) 20
38: The emerging trading blocs in the world, such as NAFTA, ASEAN and the like, are expected to
(a) act as constrictions in free trade across the world
(b) promote free trade on the lines laid down by the WTO
(c) permit transfer of technology between member countries
(d) promote trade in agricultural commodities between countries of the North and South
39: First Five-Year Plan laid stress on:
(a) Agriculture
(b) Industry
(c) Power
(d) Uplifting of poor people
40: Which one of the following is a breed of cattle famous for high milk yield as well as draught capacity?
(a) The Kankrey
(b) The Tharparkar
(c) The Haryana breed
(d) The Rathi breed