Science GK Practice Question and Answer
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Q: The function of dynamo is?
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601407eed039355294ee53a6- 1Converting electrical energy into mechanical energyfalse
- 2Converting mechanical energy into electrical energytrue
- 3Converting electrical energy into heatfalse
- 4None of thesefalse
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Answer : 2. "Converting mechanical energy into electrical energy"
Q: Which metal has the highest melting point?
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6014062d2a5c813e157f7052- 1Osmiumfalse
- 2Tungstentrue
- 3Molybdenumfalse
- 4aluminumfalse
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Answer : 2. "Tungsten"
Q: The world's highest per capita carbon dioxide emitter is: -
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5f6048e92eed863f3a806de8- 1Qatartrue
- 2United Statesfalse
- 3Chinafalse
- 4Indiafalse
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Answer : 1. "Qatar"
Q: Which element is found the most in minerals and rocks?
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611b62996d0fd147810fb290- 1Carbontrue
- 2Siliconfalse
- 3Hydrogenfalse
- 4Boronfalse
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Answer : 1. "Carbon"
Q: When a ship enters the sea from a river?
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601403035beea84b8ecec16a- 1rises uptrue
- 2falls downfalse
- 3There is no change in its levelfalse
- 4All of the abovefalse
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Answer : 1. "rises up"
Q: The voltmeter is put into the circuit?
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5ef44bcf9d32d072c24b6c34- 1in parallel ordertrue
- 2In series orderfalse
- 3In series-parallel orderfalse
- 4None of thesefalse
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Answer : 1. "in parallel order"
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: Gun powder is a mixture of?
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611b64b76d0fd147810fb65f- 1soil and TNTfalse
- 2sulphur, clay and charcoalfalse
- 3saltpeter, sulfur and charcoaltrue
- 4TNT and charcoalfalse
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Answer : 3. "saltpeter, sulfur and charcoal"
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