2121: Electrically charged particles from space travelling at speeds of several hundred km/sec can severely harm living beings if they reach the surface of the Earth. What prevents them from reaching the surface of the Earth?
(a) The Earth's magnetic field diverts them towards its poles
(b) Ozone layer around the Earth reflects them back to outer space
(c) Moisture in the upper layers of atmosphere prevents them from reaching the surface of the Earth
(d) None of the statements (a), (b) and (c) given above is correct
2122: Quit India Movement was launched in response to
(a) Cabinet Mission Plan
(b) Cripps Proposals
(c) Simon Commission Report
(d) Wavell Plan
2123: "Red Shirts" movement aimed at
(a) To throw out Britishers from India
(b) To promote Communist organisational activities
(c) To promote trade union activities
(d) All of the above
2124: In which one of the following areas did the Indira Gandhi Center for Atomic Research make significant progress in the year 2005?
(A) A new technology for high level nuclear waste management.
(B) Reprocessing the uranium-plutonium mixed carbide fuel of the Fast Breeder test Reactor.
(C) New applications of radioisotopes in metallurgy
(D) A new technology for production of heavy water
2125: Who of the following is the author of a collection of poems called 'Golden Threshold"?
(a) Aruna Asaf ali
(b) Vijayalakshmi Pandit
(c) Annie Besant
(d) Sarojini Naidu