Basic Science Practice Question and Answer
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Q: What is white Phosphorus?
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60ab9896c7f1592dd0df5334- 1P4true
- 2Pfalse
- 3O3false
- 4Pbfalse
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Answer : 1. "P4 "
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: Transboundary pollution (or) Acid rain is caused by–
1132 06012401a178b94051cee4b04
6012401a178b94051cee4b04- 1Hydrocarbonfalse
- 2Carbon monoxidefalse
- 3Carbon dioxidefalse
- 4Nitrogen oxide and sulphur dioxidetrue
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Answer : 4. "Nitrogen oxide and sulphur dioxide"
Q: In an electric circuit, Rheostat is often used to change the _____ in the circuit.
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608266aa5027727e2faa30e7- 1Temperaturefalse
- 2Resistancetrue
- 3Electric currentfalse
- 4Potential differencefalse
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Answer : 2. "Resistance "
Q: Which of the following insecticides’ harmful effects came under media attention when health issues in Kerala were publicized?
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6073fe2dc61d5c2ec940a5d1- 1Endosulfantrue
- 2Lethalfalse
- 3Thimetfalse
- 4Monocilfalse
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Answer : 1. "Endosulfan"
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: The chemical name of_______ is calcium sulphate hemihydrates.
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6082908f38ab470ae93bd0a4- 1Baking powderfalse
- 2Gypsumfalse
- 3Baking sodafalse
- 4Plaster of Paristrue
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Answer : 4. "Plaster of Paris "
Q: Penicillin is extracted from-
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606c2209556643278a762cce- 1Fungustrue
- 2Lichenfalse
- 3Yeastfalse
- 4Algaefalse
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Answer : 1. "Fungus"
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