1966: The water in an open pond remains cool even in hot summer because:
(a) Of continuous evaporation of water
(b) Water radiates heat more rapidly than the atmosphere
(c) Water absorbs heat less rapidly than the atmosphere
(d) Water absorbs heat more rapidly than the atmosphere
1967: In which one among the following categories of protected areas in India are local people not allowed to collect and use the biomass?
(a) Biosphere Reserves
(b) National Parks
(c) Wetlands declared under Ramsar Convention
(d) Wildlife Sanctuaries
1968: Of the four landmarks in medical history given below, which one was the first to take place ?
(a) Organ transplant
(b) Bypass surgery
(c) Test-tube baby
(d) Plastic surgery
1969: Agricultural income tax is assigned to the State Governments by
(a) the Finance Commission
(b) the National Development Council
(c) the Inter-State Council
(d) the Constitution of India
1970: Consider the following events :
I. Reign of Krishnadevaraya of Vijayanagara.
II. Construction of Qutab Minar.
III. Arrival of Portuguese in India.
IV. Death of Firoz Tughlaq.
(a) II, IV, III, I
(b) II, IV, I, III
(c) IV, II, I, III
(d) IV, II, III, I