631: 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
632: High temperature and low pressure over the Indian Sub-Continent during the summer season, draws air from the Indian Ocean leading to the in-blowing of the
(a) Southeast monsoon
(b) Southwest monsoon
(c) Trade winds
(d) Westerlies
633: The Ryotwari Settlement was introduced by the British in the
(a) Bengal Presidency
(b) Madras Presidency
(c) Bombay Presidency
(d) Madras and Bombay Presidencies
634: Consider the following geological phenomena :
1. Development of a fault
2. Movement along a fault
3. Impact produced by a volcanic eruption
4. Folding of rocks
Which of the above cause earthquakes?
(a) 1, 2 and 3
(b) 2 and 4
(c) 1, 3 and 4
(d) 1, 2, 3 and 4
635: Where is the headquarters of Animal Welfare Board of India located?
(a) Kolkata
(b) Chennai
(c) Ahmedabad
(d) Hyderabad