Basic Science Practice Question and Answer
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Q: Which element is found the most in minerals and rocks?
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611b62996d0fd147810fb290- 1Carbontrue
- 2Siliconfalse
- 3Hydrogenfalse
- 4Boronfalse
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Answer : 1. "Carbon"
Q: Which of the following acids is present in ant bites?
893 0607e9a670372d854289512e0
607e9a670372d854289512e0- 1Formic acidtrue
- 2Malic acidfalse
- 3Perchloric acidfalse
- 4Nitric acidfalse
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Answer : 1. "Formic acid"
Q: The major component of natural gas is-
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5f7466d3bb26e87e5eea9c54- 1Methanetrue
- 2Ethanefalse
- 3Butanefalse
- 4Hydrogenfalse
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Answer : 1. "Methane"
Q: Which of the following is the hardest substance?
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5fe9a290755fc73bd079308c- 1Platinumfalse
- 2Diamondtrue
- 3Goldfalse
- 4Silverfalse
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Answer : 2. "Diamond"
Q: When sunlight passes through a prism, which of the following colors has the highest refraction?
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601404495beea84b8ececd73- 1Bluetrue
- 2Redfalse
- 3Orangefalse
- 4Greenfalse
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Answer : 1. "Blue"
Q: By which instrument the purity of milk is measured?
884 0611b67aa6d0fd147810fba23
611b67aa6d0fd147810fba23- 1Lactometertrue
- 2manometerfalse
- 3Pyrometerfalse
- 4Tachometerfalse
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Answer : 1. "Lactometer"
Q: By whom is the focus distance corrected in the eye lens?
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5fc9d2c0b3b23538af75ce4d- 1Ratinafalse
- 2irisfalse
- 3ciliary musclestrue
- 4Carniafalse
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Answer : 3. "ciliary muscles"
Q: Which of the following metals is known as coin metal?
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5fe9a1c9755fc73bd0792d80- 1Copperfalse
- 2Silverfalse
- 3Goldfalse
- 4All of the abovetrue
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Answer : 4. "All of the above"
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