general science questions in hindi Practice Question and Answer
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Q: Which of the following substances is found in green henna, due to which it turns red?
17356 0625fbf44f380c4441deb461f
625fbf44f380c4441deb461f- 1Lassontrue
- 2Potassiumfalse
- 3Carbonfalse
- 4Ironfalse
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Answer : 1. "Lasson"
Q: Where the Bio-chemical compounds are used?
781 060ab9cd807f3815f3a7a6439
60ab9cd807f3815f3a7a6439- 1Food preservativesfalse
- 2Skin Treatmentsfalse
- 3Cooking Oilsfalse
- 4All of the abovetrue
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Answer : 4. "All of the above "
Q: The pH scale had been given by
748 1609398276481f36316ea59d8
609398276481f36316ea59d8- 1Sornsentrue
- 2Bronstedfalse
- 3Arrheniusfalse
- 4Lewisfalse
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Answer : 1. "Sornsen"
Q: How many 'canine teeth' does an adult human have?
781 0607e9d5cefac5e514cad1b6c
607e9d5cefac5e514cad1b6c- 18false
- 24true
- 33false
- 42false
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Answer : 2. "4"
Q: Who discovered Nitrogen?
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6058710b4789ef0456dc027c- 1Faradayfalse
- 2Heisenbergfalse
- 3Hookefalse
- 4Rutherfordtrue
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Answer : 4. "Rutherford"
Q: Potato is a modified from of-
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60013d55c3affd2d6985d6e7- 1Rootfalse
- 2Stemtrue
- 3Fruitfalse
- 4Leaffalse
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Answer : 2. "Stem"
Q: Bleaching action of chlorine is by 1460 05c2dbd3b0cb513238953f927
5c2dbd3b0cb513238953f927- 1decompositiontrue
- 2hydrolysisfalse
- 3reductionfalse
- 4oxidationfalse
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Answer : 1. "decomposition"
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