General Science Practice Question and Answer
8 Q: Some tips and related energy conversions are given below?
(i) Electrical Generator - Electrical from Mechanical
(ii) Electric motor - electro-to-mechanical
(iii) Diesel engine - electric from light
(iv) Solar cells - chemical to mechanical
Which of the above pairs is related to it?
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5e57921d2ec0ee6eac128596(i) Electrical Generator - Electrical from Mechanical
(ii) Electric motor - electro-to-mechanical
(iii) Diesel engine - electric from light
(iv) Solar cells - chemical to mechanical
Which of the above pairs is related to it?
- 1(i) and (ii)true
- 2(i) and (iii)false
- 3(ii) and (iv)false
- 4(iii) and (iv)false
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Answer : 1. "(i) and (ii)"
Q: A mixture of water and alcohol can be separated by
2738 05de8d84d18558909d98e38b2
5de8d84d18558909d98e38b2- 1Filtrationfalse
- 2Evaporationfalse
- 3Decantationfalse
- 4Distillationtrue
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Answer : 4. "Distillation "
Q: The manufacture of iron from iron ore involves the process of
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5dfc9cd140c34473ac86ad65- 1oxidationfalse
- 2reductiontrue
- 3fractional distillationfalse
- 4electrolysisfalse
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Answer : 2. "reduction "
Q: Which proteins is main constituent of milk?
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5db92d48aec31117bb891a0d- 1Caseintrue
- 2Insulinfalse
- 3Myosinefalse
- 4Keratinfalse
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Answer : 1. "Casein"
Q: Reflex actions are controlled by 2716 05b5cc69ee4d2b4197774c985
5b5cc69ee4d2b4197774c985- 1the Brainfalse
- 2the Spinal Chordtrue
- 3the Nervesfalse
- 4the Cellsfalse
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Answer : 2. "the Spinal Chord "
Explanation :
Answer: B) The Spinal Chord Explanation: A reflex arc is a neural pathway that controls a reflex. In vertebrates, most sensory neurons do not pass directly into the brain, but synapse in the spinal cord. This allows for faster reflex actions to occur by activating spinal motor neurons without the delay of routing signals through the brain.
Q: How is the relative humidity expressed?
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5dd2394ac2282c484e440f00- 1gramfalse
- 2Kilogramfalse
- 3Percenttrue
- 4Ratiofalse
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Answer : 3. "Percent"
Q: What is the smallest unit of power?
2706 06082a1dabfeec334bc895434
6082a1dabfeec334bc895434- 1Horsepowerfalse
- 2Megawattfalse
- 3Watttrue
- 4Kilowattfalse
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Answer : 3. "Watt"
Q: Purity of a metal can be determined with the help of
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5ebb767e8e4fa473bcbb51d5- 1Pascal's lawfalse
- 2Boyle's lawfalse
- 3Archimedes principletrue
- 4Principle of mass conservationfalse
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