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: Which of the following is NOT an example of Pteridophyta?
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643918511ce944a93ea1c091- 1Funariatrue
- 2Selaginellafalse
- 3Equisetumfalse
- 4Pterisfalse
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Answer : 1. "Funaria "
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: 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: Polythene is industrially produced by polymerisation of
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611b62596d0fd147810fb227- 1Methanefalse
- 2Acetylenefalse
- 3Ethylenetrue
- 4Styrenefalse
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Answer : 3. "Ethylene"
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"
Q: Why is sodium stored in kerosene?
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611b646accbc2b477b6dc1e8- 1To maintain in its original formfalse
- 2It gets oxidised in airtrue
- 3evaporation starts in the airfalse
- 4it starts burning in airfalse
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Answer : 2. "It gets oxidised in air"
Q: What is Marble?
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6014014865f047590371ed51- 1Shalefalse
- 2Neissfalse
- 3Lime Stonetrue
- 4Sand Stonefalse
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Answer : 3. "Lime Stone"
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