Science GK Practice Question and Answer
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Q: What chemical substance is present in bones and teeth, what is it called?
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601408f65beea84b8ecf1c6c- 1calcium chloridefalse
- 2calcium boratefalse
- 3calcium phosphatetrue
- 4calcium sulfatefalse
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Answer : 3. "calcium phosphate"
Q: Speed of sound is maximum?
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601406bc5beea84b8ecef91c- 1in airfalse
- 2In waterfalse
- 3in vacuumfalse
- 4Steeltrue
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Answer : 4. "Steel"
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: By which device is the purity of milk measured?
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6014079965f0475903723794- 1manometerfalse
- 2Hydrometerfalse
- 3Lactometertrue
- 4Fadometerfalse
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Answer : 3. "Lactometer"
Q: When sunlight passes through a prism, which of the following colors has the highest refraction?
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601404495beea84b8ececd73- 1Bluetrue
- 2Redfalse
- 3Orangefalse
- 4Greenfalse
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Answer : 1. "Blue"
Q: What is Marble?
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6014014865f047590371ed51- 1Shalefalse
- 2Neissfalse
- 3Lime Stonetrue
- 4Sand Stonefalse
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Answer : 3. "Lime Stone"
Q: What is a Robot?
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6014026bd039355294ee0dcb- 1A type of rocketfalse
- 2a bombfalse
- 3A device similar to a human who works according to the ordertrue
- 4An animal found in the jungles of Africafalse
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Answer : 3. "A device similar to a human who works according to the order"
Q: Which of the following is not an area of coral reef?
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5f60486909624c19c5c1392d- 1Gulf of Mannarfalse
- 2Gulf of Cambaytrue
- 3Lakshadweepfalse
- 4Andaman and Nicobar Islandsfalse
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Answer : 2. "Gulf of Cambay"
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