General Science Questions Practice Question and Answer
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Q: A flat mirror has a minimum height to see a full reflection of a person.
1646 05e37bbc672f03a106da6abab
5e37bbc672f03a106da6abab- 1Equal to the height of the personfalse
- 2Half of the height of a persontrue
- 3One-fourth of the person's heightfalse
- 4Double the height of the personfalse
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Answer : 2. "Half of the height of a person "
Q: What are the units of electrical conductivity?
1643 06024f177083f2c6596c16ae6
6024f177083f2c6596c16ae6- 1Minutesfalse
- 2Dimensionfalse
- 3Speedfalse
- 4Mahotrue
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Answer : 4. "Maho"
Q: What happens when a chemical bond is formed ?
1642 05de48d1d848f4a29cf45ae13
5de48d1d848f4a29cf45ae13- 1Energy is always absorbedtrue
- 2Energy in always releasedfalse
- 3More energy is released than is absorbedfalse
- 4Energy is neither released nor absorbedfalse
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Answer : 1. "Energy is always absorbed "
Q: Acid rain is mainly a mixture of—
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5de4921f80801d48fb7e6f96- 1Sulphuric acid and nitric acidtrue
- 2Hexane and methanefalse
- 3Acetic acid and brominefalse
- 4Ascorbic acid and citric acidfalse
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Answer : 1. "Sulphuric acid and nitric acid"
Q: If the radius of a person's blood vessels decreases, what will be the effect on his blood pressure?
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5f86b5978a599d39499b39d2- 1increasetrue
- 2decreasefalse
- 3remain unchangedfalse
- 4None of thesefalse
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Answer : 1. "increase"
Q: On which principle of heredity of the mandal is based?
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5e37db0b72f03a106da6cf63- 1somatic regenerationfalse
- 2asexual reproductionfalse
- 3sexual reproductiontrue
- 4All of the abovefalse
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Answer : 3. "sexual reproduction"
Q: The ozone layer in the atmosphere is at a height of about
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5db928d8889f1c0878bb001b- 125 kmfalse
- 250 kmtrue
- 3100 kmfalse
- 4200 kmfalse
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Answer : 2. "50 km"
Q: Is the genetic substance found in the cell?
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5e57945bf07ca775556bdf83- 1DNAtrue
- 2RNAfalse
- 3Proteinfalse
- 4Carbohydratesfalse
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Answer : 1. "DNA"
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