Basic Science Practice Question and Answer
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Q: The reason for the browning of the cut apple is present in the apple-
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625fcfcde1e2a840c31b77f2- 1Calciumfalse
- 2Zincfalse
- 3Ironfalse
- 4Iodinetrue
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- SingleChoice
Answer : 4. "Iodine"
Q: Polythene is industrially produced by polymerisation of
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611b62596d0fd147810fb227- 1Methanefalse
- 2Acetylenefalse
- 3Ethylenetrue
- 4Styrenefalse
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Answer : 3. "Ethylene"
Q: Human nails are made of
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6066e424ffdc341493f39d40- 1Pigmentfalse
- 2Elastinfalse
- 3Albuminfalse
- 4Keratintrue
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Answer : 4. "Keratin"
Q: What is Marble?
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6014014865f047590371ed51- 1Shalefalse
- 2Neissfalse
- 3Lime Stonetrue
- 4Sand Stonefalse
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Answer : 3. "Lime Stone"
Q: The first intergeneric 'hybrid' between radish and cabbage was made?
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604ddf5aa01bc447899e2253- 1Rimpu (1890)false
- 2Hull (1945)false
- 3Adam (1982)false
- 4Carpeco (1927)true
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Answer : 4. "Carpeco (1927)"
Q: Maximum density of water is-
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5f746665bb26e87e5eea9b4f- 10°Cfalse
- 2100°Cfalse
- 325°Cfalse
- 44°Ctrue
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Answer : 4. "4°C"
Q: Basic scientific principle behind a nuclear reactor is
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602f519fddf4356d773d28aa- 1Nuclear fusionfalse
- 2Controlled nuclear fusionfalse
- 3Uncontrolled nuclear fissionfalse
- 4Controlled nuclear fissiontrue
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Answer : 4. "Controlled nuclear fission"
Q: In which of the following industries is mica as a raw material?
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5fe1be0ace32c8585c739759- 1Cementfalse
- 2Glass and Potteryfalse
- 3Iron and Steelfalse
- 4Electricaltrue
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Answer : 4. "Electrical"
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