Science GK Practice Question and Answer
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Q: Which gas is used for unnatural ripening of fruits?
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611b65926d0fd147810fb7a5- 1Ethylenetrue
- 2ethanefalse
- 3carbon dioxidefalse
- 4Acetylenefalse
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Answer : 1. "Ethylene"
Q: Can bats fly in the dark as they get help?
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5fc9befb5c47b65b5b2bfa74- 1Ultraviolet wavefalse
- 2Ultrasonic wavetrue
- 3Radiationfalse
- 4Special retinafalse
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Answer : 2. "Ultrasonic wave"
Q: What causes molybdenum deficiency?
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604de924e7f3ff5d8f6625b1- 1Whip tail in cauliflowertrue
- 2Hot disease in tomatofalse
- 3Lemon yellow yellow stain diseasefalse
- 4All thesefalse
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Answer : 1. "Whip tail in cauliflower"
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: 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: 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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