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General Awareness practice Set

36. Cathode rays are–
(A) Electromagnetic waves
(B) Radiations
(C) Stream of α-particles
(D) Stream of electrons


37. The National Park ‘Valley of Flowers’ lies in the State of–
(A) Kerala
(B) Himachal Pradesh
(C) Uttarakhand
(D) Jammu and Kashmir


38. Bhopal Gas Tragedy was caused by–
(A) Nitrogen
(B) Oxygen
(C) Methyl isocyanite
(D) Cyanide


39. The example of a secondary pollutant is–
(A) CFC (Chloro fluoro carbon)
(B) PAN (peroxy acetyl nitrate)
(C) CH4 (Methane)
(D) Cl2 (Chlorine)


40. In big cities, air pollution is mainly due to–
(A) burning of fossil fuel
(B) thermal power plant
(C) sewage
(D) suspended particles