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General Science Multiple Choice Questions and Answers for Railway Exams

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Free download as PDF General Science Multiple Choice Questions and Answers for Railway Exams or solved MCQs with answers. These quiz objective questions are helpful for competitive exams SSC, UPSC, IAS, IPS, CDS, NDA, Railways or RRB etc.

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(96) Enzymes are:
[A] Inorganic compounds
[B] Moulds
[C] Micro-organisms
[D] Proteins

Comment

Answer: Option [D]
(97) Why does water get cooled in earthen pot and not in a metal or glass pot:
[A] Earthen walls are bad conductor so heat does not affect the water
[B] Earthen walls of the pot absorb heat of water
[C] Earthen walls have pores and water gets evaporated through pores and evaporation takes heat from the water
[D] None of the above

Comment

Answer: Option [C]

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(98) Plaster of paris is made from :
[A] Marble
[B] Gypsum
[C] Slaked lime
[D] Limestone

Comment

Answer: Option [B]
(99) The chemical used for cooling in refrigeration is :
[A] CO2
[B] NH4CI
[C] NH4OH
[D] Liquified ammonia

Comment

Answer: Option [C]
(100) Crops that arer grown for animal feed are called
[A] Forage crops
[B] Monsoon crops
[C] Cash crops
[D] Wetland crops

Comment

Answer: Option [A]

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