Basic Science Practice Question and Answer
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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: Who invented the battery?
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60ac7372fc42d91d6ea8efc3- 1Michael Faradayfalse
- 2Voltatrue
- 3Maxwellfalse
- 4Roentgenfalse
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Answer : 2. "Volta "
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: Ensure a regular market?
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604dedcbe7f3ff5d8f66577e- 1Purchase Pricefalse
- 2Support Pricefalse
- 3Remuneration Pricefalse
- 4Fair Pricetrue
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Answer : 4. "Fair Price"
Q: Somatic reproduction is found in-
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625fd28c4f26394ba1a09c00- 1Potatotrue
- 2Wheatfalse
- 3Neemfalse
- 4in peasfalse
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Answer : 1. "Potato"
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: 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: Which metal has the highest melting point?
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6014062d2a5c813e157f7052- 1Osmiumfalse
- 2Tungstentrue
- 3Molybdenumfalse
- 4aluminumfalse
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Answer : 2. "Tungsten"
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