General Science Questions Practice Question and Answer
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Q: In an electric circuit, Rheostat is often used to change the _____ in the circuit.
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608266aa5027727e2faa30e7- 1Temperaturefalse
- 2Resistancetrue
- 3Electric currentfalse
- 4Potential differencefalse
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Answer : 2. "Resistance "
Q: Which of the following halogen is the least reactive element?
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608040e611c2747caca71958- 1Iodinefalse
- 2Astatinetrue
- 3fluorinefalse
- 4Brominefalse
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Answer : 2. "Astatine"
Q: Which of the following is the lightest element?
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60804077711d9a7cad41f17b- 1Heliumfalse
- 2Mercuryfalse
- 3Hydrogentrue
- 4Platinumfalse
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Answer : 3. "Hydrogen"
Q: The number of isotopes in the hydrogen is:
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60803bf35027727e2fa5f6d1- 1Fourfalse
- 2Fivefalse
- 3Twofalse
- 4Threetrue
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Answer : 4. "Three"
Q: The energy released during cellular respiration is stored in _______.
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607ff5e20372d85428979e4d- 1ATPtrue
- 2glucosefalse
- 3lungsfalse
- 4ileumfalse
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Answer : 1. "ATP"
Q: ____________are known as the ‘suicide bags’ of the cell.
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607fefcdc91527511d90b3a0- 1Vacuolesfalse
- 2Mitochondriafalse
- 3Ribosomesfalse
- 4Lysosomestrue
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Answer : 4. "Lysosomes"
Q: The device that confirms the presence of electric charge:
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607ec3a50372d8542895a072- 1Dynamofalse
- 2Electroscopetrue
- 3Ammeterfalse
- 4Cryotronfalse
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Answer : 2. "Electroscope"
Q: Who invented the Locomotive Engine?
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607ec3390372d85428959feb- 1Richard Gatlingfalse
- 2E.G. Otisfalse
- 3Richard Trevithicktrue
- 4Sir Humphry Davyfalse
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Answer : 3. "Richard Trevithick"
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