Science GK Practice Question and Answer
8 4 4 4 Q:
5f9101807793eb35d72c610c 4 Q:
601401905beea84b8ecebc42 4 Q:
5ef44ae3f2ebd073795bbd97 4 Q:
5ef44b332d6fc772f50b9337 Answer : 1. "Moving"
4 Q:
604deaf7e147c16b2869c752 4 Q:
5f912f5a7793eb35d72d8391
Q: Water drops are spherical because of ? 1782 05c2dc0d094bba731de8f0a36
5c2dc0d094bba731de8f0a36- 1viscosityfalse
- 2densityfalse
- 3polarityfalse
- 4surface tensiontrue
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Answer : 4. "surface tension"
Q: Washing soda is ? 1782 05c2dbeeef11ee42b64688fcb
5c2dbeeef11ee42b64688fcb- 1sodium sulphitefalse
- 2sodium bicarbonatefalse
- 3sodium carbonatetrue
- 4sodium biosulphitefalse
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Answer : 3. "sodium carbonate"
Q: Rust on iron?
1763 05f9101807793eb35d72c610c
5f9101807793eb35d72c610c- 1ferric oxidefalse
- 2Hydrated ferrous and ferric oxidefalse
- 3Alkali ferrous and ferric carbonatefalse
- 4Because of all of the abovetrue
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Answer : 4. "Because of all of the above"
Q: Which gas is used to purify pond water in cities?
1762 0601401905beea84b8ecebc42
601401905beea84b8ecebc42- 1Sulfur dioxidefalse
- 2Chlorinetrue
- 3Nitrogenfalse
- 4Ammoniafalse
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Answer : 2. "Chlorine"
Q: capacitor is a of small size but high capacity?
1759 15ef44ae3f2ebd073795bbd97
5ef44ae3f2ebd073795bbd97- 1mica capacitortrue
- 2electrolytic capacitorsfalse
- 3Sirasic capacitorfalse
- 4Paper capacitorfalse
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Answer : 1. "mica capacitor"
Q: Electricity is generated when the drivers rotate between the magnetic fields?
1739 05ef44b332d6fc772f50b9337
5ef44b332d6fc772f50b9337- 1Movingtrue
- 2stablefalse
- 3Both static and dynamicfalse
- 4None of thesefalse
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Answer : 1. "Moving"
Explanation :
In a generator, a rotating magnetic field is used to produce electrical energy. When a conductor, such as a wire, moves through a magnetic field, a voltage is induced across the conductor. This is known as electromagnetic induction, and it is the fundamental principle behind how generators work.
Q: Thermal conductivity of soil when moisture content in the soil increases?
1734 0604deaf7e147c16b2869c752
604deaf7e147c16b2869c752- 1will decreasefalse
- 2will increasetrue
- 3No changefalse
- 4None of thesefalse
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Answer : 2. "will increase"
Q: The main reason why the sky appears blue?
1731 05f912f5a7793eb35d72d8391
5f912f5a7793eb35d72d8391- 1Sunlight is bluefalse
- 2Scattering of solar rays by particles of dust etc. present in the atmospheretrue
- 3light reflectionfalse
- 4light refractionfalse
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Answer : 2. "Scattering of solar rays by particles of dust etc. present in the atmosphere"
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