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Q196. The raw material used for the manufacture of Rayon is
(a) Coal
(b) Cellulose
(c) Plastic
(d) Petroleum

Q197. Which group of vertebrates comprises highest number of endangered species
(a) Fishes
(b) Mammals
(c) Reptiles
(d) Birds

Q198. Which one of the following drug is called "superman" drug
(a) Cocaine
(b) Alcohol
(c) Hallucinogens
(d) Amphetamine

Q199. Which of the following measures humidity
(a) Hydrometer
(b) Altimeter
(c) Psychrometer
(d) Radiometer

Q200. Sound travel in air in the form of
(a) a transverse wave
(b) a longitudinal wave
(c) both as longitudinal and transverse wave
(d) None of the wave

Q201. Which is the fastest planet to revolve around the Sun
(a) Mars
(b) Mercury
(c) Venus
(d) Jupiter

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