Science GK Practice Question and Answer
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Q: Which of the following electromagnetic waves has the highest wavelength?
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601405e0d039355294ee28fd- 1Ultraviolet raysfalse
- 2Sunlightfalse
- 3Gamma raysfalse
- 4infrared raystrue
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Answer : 4. "infrared rays"
Q: Is there a 'rust in iron'?
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5fc9cb02cac441723c82b97e- 1physical actionfalse
- 2Chemical activitytrue
- 3Common verbfalse
- 4None of thesefalse
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Answer : 2. "Chemical activity"
Q: Which of the following is essentially produced in the fermentation process?
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611b63e16d0fd147810fb343- 1ethyl alcoholtrue
- 2Methyl alcoholfalse
- 3acetic acidfalse
- 4yeastfalse
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Answer : 1. "ethyl alcohol"
Q: Which of the following gas is not present in the atmosphere?
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611b611714663c47a233f052- 1Nitrogenfalse
- 2Heliumfalse
- 3Chlorinetrue
- 4Kryptonfalse
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Answer : 3. "Chlorine"
Q: What will be the thermal conductivity of heavy soils with high organic content?
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604deb39e147c16b2869c770- 1lesstrue
- 2morefalse
- 3No relationfalse
- 4None of thesefalse
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Answer : 1. "less"
Q: The marshy gas which is produced on decomposition of organic matter and is mostly found in coal mines, is the name of that gas?
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611b6363ccbc2b477b6dc0d8- 1ethanefalse
- 2Methanetrue
- 3carbon dioxidefalse
- 4carbon monoxidefalse
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Answer : 2. "Methane"
Q: Which element forms the maximum number of compounds with hydrogen?
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611b62d6ccbc2b477b6dc099- 1Oxygenfalse
- 2Siliconfalse
- 3Carbontrue
- 4Nitrogenfalse
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Answer : 3. "Carbon"
Q: What is the main factor of rust in iron?
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601401d65beea84b8ecebd7c- 1oxygentrue
- 2Hydrogenfalse
- 3Nitrogenfalse
- 4Neonfalse
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Answer : 1. "oxygen"
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