Basic Science Practice Question and Answer
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Q: Who the following Scientist is associated with discovery of electron?
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602f56106ea6434ffa8057d8- 1Galileofalse
- 2J.J Thomsontrue
- 3Einsteinfalse
- 4C.R.T Wilsonfalse
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Answer : 2. "J.J Thomson"
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: What are the units of electrical conductivity?
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6024f177083f2c6596c16ae6- 1Minutesfalse
- 2Dimensionfalse
- 3Speedfalse
- 4Mahotrue
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Answer : 4. "Maho"
Q: What are the main colors in photography?
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6024f0f7cce66f776c86cba1- 1Red, Blue, Yellowfalse
- 2Red, Yellow, Greenfalse
- 3Blue, Yellow, Greenfalse
- 4Red, Blue, Greentrue
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Answer : 4. "Red, Blue, Green"
Q: What chemical substance is present in bones and teeth, what is it called?
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601408f65beea84b8ecf1c6c- 1calcium chloridefalse
- 2calcium boratefalse
- 3calcium phosphatetrue
- 4calcium sulfatefalse
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Answer : 3. "calcium phosphate"
Q: Who invented television?
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6014085b2a5c813e157fa078- 1J.R. L. Bairdtrue
- 2Macmillanfalse
- 3James Wattfalse
- 4None of thesefalse
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Answer : 1. "J.R. L. Baird"
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: By which device is the purity of milk measured?
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6014079965f0475903723794- 1manometerfalse
- 2Hydrometerfalse
- 3Lactometertrue
- 4Fadometerfalse
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Answer : 3. "Lactometer"
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