3801: A small wooden block is floating in a tub of water. The water is gradually heated. The volume of the wooden block visible above the water level:
(a) Increases
(b) Decreases
(c) Fluctuates
(d) Remains the same
3802: "The original structure of the Indian Constitution cannot be changed". In which of the following cases, Supreme Court of India gave this verdict?
(a) The Golak Nath case
(b) The Minerva Mills case
(c) The Kesavananda Bharati case
(d) None of the above
3803: Which soil is best suited for paddy crop?
(a) Black soil
(b) Loamy soil
(c) Hard soil
(d) Red soil
3804: Consider the following statements:
1. In the revenue administration of Delhi Sultanate, the in-charge of revenue collection was known as Amil.
2. The lqta system of Sultans of Delhi was an ancient indigenous institution.
3. The office of Mir Bakshi came into existence during the reign of Khalji Sultans of Delhi.
Which of the statements given above is/are correct?
(a) 1 only
(b) 1 and 2 only
(c) 3 only
(d) 1, 2 and 3
3805: A hydrogen inflated polythene balloon is released from the surface of the earth. As the balloon rises to an altitude up in the atmosphere, it will
(a) Decrease in size
(b) Flatten into a disc-like shape
(c) Increase in size
(d) Maintain the same size and shape