Basic Science Practice Question and Answer
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Q: Which of the following is the hardest substance?
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5fe9a290755fc73bd079308c- 1Platinumfalse
- 2Diamondtrue
- 3Goldfalse
- 4Silverfalse
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Answer : 2. "Diamond"
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: Which of the following elements forms strong alkaline oxides when ignited in oxygen?
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5f912ca1c011be03879fe3db- 1Phosphorusfalse
- 2sodiumtrue
- 3Ironfalse
- 4Sulfurfalse
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Answer : 2. "sodium"
Q: Basic scientific principle behind a nuclear reactor is
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602f519fddf4356d773d28aa- 1Nuclear fusionfalse
- 2Controlled nuclear fusionfalse
- 3Uncontrolled nuclear fissionfalse
- 4Controlled nuclear fissiontrue
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Answer : 4. "Controlled nuclear fission"
Q: Is magnesium an ingredient part?
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604de96cd4491561f1df5897- 1Polyarabosomesfalse
- 2chromosomefalse
- 3foliagetrue
- 4All thesefalse
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Answer : 3. "foliage"
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: 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: Who invented the bifocal glasses?
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606d79dadac3665e58aa61fa- 1Thomas Alva Edisonfalse
- 2Benjamin franklintrue
- 3Evangelistafalse
- 4Isaac Newtonfalse
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Answer : 2. "Benjamin franklin"
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