Science GK Practice Question and Answer
8 4 4 Q:
604dde85d4491561f1df3ba5 4 Q:
5f90fff5891d2b03f20ebd7e 4 Q:
601407535beea84b8ecf13bd 4 Q:
5f60474680a26b7dab001517 4 4 Q:
611b650edc4e2547a1c91c34 4 Q:
5ef4162e7c1ec61320b5a5b8 Answer : 1. "parallel to the supply"
Q: Which one of the following gas is readily soluble in water at room temperature ? 9504 05c2dc02c94bba731de8f0a2c
5c2dc02c94bba731de8f0a2c- 1chlorinefalse
- 2nitrogenfalse
- 3ammoniafalse
- 4carbon dioxidetrue
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Answer : 4. "carbon dioxide"
Q: Is the father of 'demonstration method'?
7811 0604dde85d4491561f1df3ba5
604dde85d4491561f1df3ba5- 1John D.V.false
- 2Daniel Benorfalse
- 3A.D. B. Grahamfalse
- 4Seaman A. Naptrue
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Answer : 4. "Seaman A. Nap"
Q: What substance dissolves in Tears?
3780 05f90fff5891d2b03f20ebd7e
5f90fff5891d2b03f20ebd7e- 1Common salttrue
- 2seafalse
- 3strachfalse
- 4Glucosefalse
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Answer : 1. "Common salt"
Q: How does a red rose appear in green light?
3202 0601407535beea84b8ecf13bd
601407535beea84b8ecf13bd- 1yellowfalse
- 2Pinkfalse
- 3Blacktrue
- 4Redfalse
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Answer : 3. "Black"
Q: Biological indicator of pollution of sulfur dioxide is: -
3024 05f60474680a26b7dab001517
5f60474680a26b7dab001517- 1mosstrue
- 2smokefalse
- 3Braophytafalse
- 4None of thesefalse
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Answer : 1. "moss"
Q: Which of the following is produced during the formation of photochemical smog ? 2642 15c2dc3a8f11ee42b64688ff8
5c2dc3a8f11ee42b64688ff8- 1Nitrogen Oxidefalse
- 2Hydrocarbonsfalse
- 3Methanefalse
- 4Ozonetrue
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Answer : 4. "Ozone"
Q: What is the smallest unit of a chemical compound?
2607 0611b650edc4e2547a1c91c34
611b650edc4e2547a1c91c34- 1Atomicfalse
- 2electronfalse
- 3Protonfalse
- 4Moleculestrue
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Answer : 4. "Molecules"
Q: Capacitors are fitted to increase the power coefficient.
2342 05ef4162e7c1ec61320b5a5b8
5ef4162e7c1ec61320b5a5b8- 1parallel to the supplytrue
- 2By putting resistance to supplyfalse
- 3In the supply chainfalse
- 4None of thesefalse
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Answer : 1. "parallel to the supply"
Explanation :
In an AC circuit, magnetic reversal due to phase difference between current and voltage occurs 50 or 60 times per second. A capacitor helps to improve the power factor by relieving the supply line of the reactive power.
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