Basic Science Practice Question and Answer
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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: The food substances which get oxidised easily can be kept for longer duration by adding
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5ff5936c9fc6f75b3f623f0b- 1oxygen and keeping them in sun for few daysfalse
- 2nitrogen and keeping them in sun for few daysfalse
- 3oxygen and keeping them in airtight containersfalse
- 4nitrogen and keeping them in airtight containerstrue
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Answer : 4. "nitrogen and keeping them in airtight containers"
Q: Honey is a major ingredient of
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5f8fe87f7793eb35d726fbe2- 1Glucosefalse
- 2Sucrosefalse
- 3Fructosetrue
- 4Maltosefalse
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Answer : 3. "Fructose "
Q: The rolling ball stops itself after rolling away for some reason, which of the following reasons?
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601401075beea84b8eceadc3- 1Frictional forcetrue
- 2gravityfalse
- 3Inertiafalse
- 4None of the abovefalse
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Answer : 1. "Frictional force"
Q: Who invented Hydrogen bomb?
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60ba0573af777957546c86c0- 1J. Robert Oppenheimerfalse
- 2Albert Einsteinfalse
- 3Samuel Kohenfalse
- 4Edward Tellertrue
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Answer : 4. "Edward Teller"
Q: Malnutrition leads to lack of which?
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601402245beea84b8ecebe57- 1Vitamin 'A'false
- 2Carbohydratefalse
- 3Vitamin 'C'false
- 4Proteintrue
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Answer : 4. "Protein"
Q: Sulphuric acid is
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60939891b8018e6486aef7f1- 1Monobaiscfalse
- 2Diabasictrue
- 3Tribasicfalse
- 4Tetrabasicfalse
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Answer : 2. "Diabasic"
Q: The reason for permanent hardness of water is-
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5f746583a921aa16e68bd2df- 1Carbonates of calcium and magnesiumfalse
- 2Bicarbonates of calcium and magnesiumfalse
- 3Chloride and sulfate of calcium and magnesiumtrue
- 4None of the abovefalse
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Answer : 3. "Chloride and sulfate of calcium and magnesium"
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