General Science Practice Question and Answer
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Q: The maximum number of electrons on a principal shell is–
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5e2535ab643ee23eb6ae9f29- 1n²false
- 2nfalse
- 32n²true
- 43n²false
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Answer : 3. "2n²"
Q: The principle of 'black hole' was enunciated
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5e37d24572f03a106da6cbbb- 1C . V. By Ramanfalse
- 2H . J. Bhabhafalse
- 3S . Chandrasekhar bytrue
- 4H. Khurana byfalse
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Answer : 3. "S . Chandrasekhar by "
Q: What principle does the publisher fibre work on?
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5e589516c731373e79bc76ed- 1Total internal reflectiontrue
- 2Interferencefalse
- 3Scatteringfalse
- 4Diffractionfalse
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Answer : 1. "Total internal reflection "
Q: Solar cells work on the principle of
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5df9df9f80cad641a0c9fd86- 1Photovoltaic effecttrue
- 2photoelectric effectfalse
- 3photoconductive effectfalse
- 4photosynthesisfalse
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Answer : 1. "Photovoltaic effect "
Q: The force that a neutron exerts on a proton inside an atom is:
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5dbc3fb76960167377568262- 1Nuclear forcetrue
- 2Gravitational forcefalse
- 3Tidal forcefalse
- 4Electrostatic forcefalse
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Answer : 1. "Nuclear force"
Q: Which of the following is also called Marsh Gas?
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5e7ee26c1425f51f3ac1f5cb- 1Propanefalse
- 2Ethanefalse
- 3Methanetrue
- 4Butanefalse
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Answer : 3. "Methane"
Q: From which of the following can Ethanol be obtained?
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5ebcd785828a397cdc60e494- 1Ricefalse
- 2Sunflowerfalse
- 3Sugarcanetrue
- 4Petrolfalse
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Answer : 3. "Sugarcane "
Q: How much blood is pumped in one heart beat?
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5f1953509679b57327add7f1- 140 to 50 mililitersfalse
- 230 to 40 mililitersfalse
- 330 to 50 mililitersfalse
- 460 to 90 mililiterstrue
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Answer : 4. "60 to 90 mililiters "
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