121: In the context of modern scientific research, consider the following statements about 'Ice Cube', a particle detector located at South Pole, which was recently in the news:
1. It is the world's largest neutrino detector, encompassing a cubic kilometre of ice.
2. It is a powerful telescope to search for dark matter.
3. It is buried deep in the ice.
Which of the statements given above is/are correct?
(a) 1 only
(b) 2 and 3 only
(c) 1 and 3 only
(d) 1, 2 and 3
122: Some Buddhist rock-cut caves are called chaityas while the others viharas. What is the difference between the two?
(a) Chaitya is a place of worship while vihara is the dwelling place of the monks
(b) Chaitya is the stupa at the far end of the cave while vihara is the hall axial to it
(c) There is no material difference between the two
(d) Vihara is a place of worship while chaitya is the dwelling place of the monks
123: Consider the following statements:
1. Ocean currents are the slow-surface movement of water in the ocean.
2. Ocean currents assist in maintaining the Earth's heat balance.
3. Ocean currents are set in motion primarily by prevailing winds.
4. Ocean currents are affected by the configuration of the ocean.
Which of these statements are correct?
(a) 1 and 2
(b) 2, 3 and 4
(c) 1, 3 and 4
(d) 1, 2, 3 and 4
124: Unemployment insurance will result in:
(a) Maintenance of consumption level
(b) Decrease in consumption level
(c) Decrease in savings
(d) Increase in savings
125: When iron rusts, the weight:
(a) Increases
(b) Decreases
(c) Remains the same
(d) First increases then decreases