3641: What is the correct order of the following
A. Fisrt Battle of Panipat
B. Second Battle of Tarain
C. Establishment of East India Company
(a) B, A, C
(b) A, B, C
(c) C, A, B
(d) C, B, A
3642: The half-life of a radio active element is 5 years. The fraction of the radioactive substance that remains after 20 years is
(a) 1/2
(b) 1/4
(c) 1/8
(d) 1/16
3643: In the context of India, which one of the following is the correct relationship between Rights and Duties?
(a) Rights are correlative with Duties.
(b) Rights are personal and hence independent of society and Duties.
(c) Rights, not Duties, are important for the advancement of the personality of the citizen.
(d) Duties, not Rights, are important for the stability of the State.
3644: The official associated with land revenue collection in the Maratha administration in medieval India was
(a) Patel
(b) Kulkarni
(c) Mirasdar
(d) Silhadar
3645: When compared to the mammals, birds are less sensitive to temporary deprivation of water, because:
(a) The water requirement per unit weight is less in birds than in mammals.
(b) Absorption of water from the gut is more efficient in birds than in mammals.
(c) Urea excretion in mammals entails a greater loss of water than that in birds.
(d) None of these