51: The meeting of G-15 countries held in Malayasia in 1997 was attended by
(a) 14 member countries
(b) 15 member countries
(c) 16 member countries
(d) 17 member countries
52: Total internal reflection can take place when light travels from
(a) diamond to glass
(b) water to glass
(c) air to water
(d) air to glass
53: India is an important member of the 'International Thermonuclear Experimental Reactor'. If this experiment succeeds, what is the immediate advantage for India?
(a) It can use thorium in place of uranium for power generation
(b) It can attain a global role in satellite navigation
(c) It can drastically improve the efficiency of its fission reactors in power generation
(d) It can build fusion reactors for power generation
54: The approximate age of the Aravallis range is
(a) 370 million years
(b) 470 million years
(c) 570 million years
(d) 670 million years
55: All revenues received by the Union Government by way of taxes and other receipts for the conduct of Government business are credited to the
(a) Consolidated Fund of India
(b) Contingency Fund of India
(c) Public Account
(d) Deposits and Advances Fund