Basic Science Practice Question and Answer
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Q: If any rock from earth is taken to the moon?
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5fc9cda0b3b23538af75c8bb- 1its quantity will decreasefalse
- 2its weight will decreasetrue
- 3There will be no difference in its weightfalse
- 4its weight will increasefalse
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Answer : 2. "its weight will decrease"
Q: Mechanical energy is converted into electrical energy by
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5fc9cd43cac441723c82ba81- 1transformerfalse
- 2Ammeterfalse
- 3Galvanometerfalse
- 4Dynamotrue
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Answer : 4. "Dynamo"
Q: What is Air?
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5fc9cc615c47b65b5b2c1f43- 1elementfalse
- 2Mixturetrue
- 3Compoundsfalse
- 4None of thesefalse
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Answer : 2. "Mixture"
Q: S. What is the unit of force in I.
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5fc9cbfcd0af4c56f5f06931- 1Joulefalse
- 2Newtontrue
- 3Wattfalse
- 4Cubic centimetersfalse
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Answer : 2. "Newton"
Q: Is water heating in the kettle an example?
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5fc9cbafcac441723c82b9b7- 1Conductionfalse
- 2Convectiontrue
- 3Radiationfalse
- 4Condensationfalse
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Answer : 2. "Convection"
Q: The filament of an electric bulb is made up of
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5fc9cb5b5c47b65b5b2c1e98- 1Chromiumfalse
- 2Tungstentrue
- 3Copperfalse
- 4Zincfalse
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Answer : 2. "Tungsten"
Q: Is there a 'rust in iron'?
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5fc9cb02cac441723c82b97e- 1physical actionfalse
- 2Chemical activitytrue
- 3Common verbfalse
- 4None of thesefalse
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Answer : 2. "Chemical activity"
Q: Why does the sun appear red when rising and sinking?
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5fc9c1cfb3b23538af75b46f- 1radiationfalse
- 2Water vaporfalse
- 3Dust particlesfalse
- 4scatteringtrue
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Answer : 4. "scattering"
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