Basic Science Practice Question and Answer
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Q: Which among the following happens in an oxidation reaction?
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607936b6b52a047fdc46902d- 1Electrons are gainedfalse
- 2Electrons are losttrue
- 3Protons are gainedfalse
- 4Protons are lostfalse
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Answer : 2. "Electrons are lost "
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: The only non-metal which is liquid at room temperature is–
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6073fcade170a5231dc3361b- 1Mercuryfalse
- 2Brominetrue
- 3Chlorinefalse
- 4Galliumfalse
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Answer : 2. "Bromine"
Q: Which of the following is a nitrogen-fixing bacteria?
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607024ebdc80477c02cb6535- 1Salmonellafalse
- 2Rhizobiumtrue
- 3E.colifalse
- 4Pseudomonafalse
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Answer : 2. "Rhizobium "
Q: Retinol is mainly related to ________.
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606ed3950d3bb27a2067c8ba- 1Vitamin Atrue
- 2Vitamin Bfalse
- 3Vitamin Dfalse
- 4Vitamin Efalse
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Answer : 1. "Vitamin A"
Q: ________________ is used as a stabilizer in ice cream.
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606ecef2556643278a7e11b1- 1Gelatintrue
- 2Sugarfalse
- 3Milkfalse
- 4Strawberryfalse
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Answer : 1. "Gelatin"
Q: Who invented the bifocal glasses?
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606d79dadac3665e58aa61fa- 1Thomas Alva Edisonfalse
- 2Benjamin franklintrue
- 3Evangelistafalse
- 4Isaac Newtonfalse
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Answer : 2. "Benjamin franklin"
Q: Pituitary gland is located in?
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606c2291affa2d5265b4b7f2- 1Liverfalse
- 2Intestinefalse
- 3Braintrue
- 4Kidneyfalse
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Answer : 3. "Brain"
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