General Science Practice Question and Answer
8 Q: The mirror used in vehicles is called
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6062c470664bf7144c917015- 1Convextrue
- 2Concavefalse
- 3Planefalse
- 4None of thesefalse
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Answer : 1. "Convex "
Q: In the format of the IUPAC name of the organic compound, the term ‘Root’ is used to represent:
669 06441276d32185cce374b4bde
6441276d32185cce374b4bde- 1the number of carbon atoms in the parent chaintrue
- 2the presence of side chains or substituent groupsfalse
- 3functional groups that may be present in the compoundfalse
- 4the cyclic or acyclic nature of the given compoundfalse
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Answer : 1. "the number of carbon atoms in the parent chain"
Explanation :
The Word root indicates the total number of carbon atoms present in the longest carbon chain belonging to the compound For example, 'Meth' refers to a chain with 1 carbon atom and 'Pent' refers to a chain with 5 carbon atoms. metalloid in dictionary chemical name is Naoh. Nylon properties: Atomic number of iodine. Dobereiner Traids an Atomic compound.
Q: From which part of the plant turmeric is obtained?
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61af412c8b0b930f53f5644e- 1stemtrue
- 2rootfalse
- 3flowersfalse
- 4None of thesefalse
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Answer : 1. "stem"
Q: Who used the word histology for the first time?
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63b6a5c53d35cd0deea0c778- 1Memonfalse
- 2schleidenfalse
- 3robert hookfalse
- 4Mayortrue
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Answer : 4. "Mayor"
Explanation :
The term "histology" was first used by the French physician Marie François Xavier Bichat, but it was popularized and introduced into English by the Swiss anatomist Karl Wilhelm von Nägeli in the early 19th century.
Q: Which of the following alloys is used for making magnets ?
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606c23f66a85553684ddbcb9- 1Alnicotrue
- 2Magneliumfalse
- 3Duraluminfalse
- 4Stainless Steelfalse
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Answer : 1. "Alnico"
Q: Tobacco Addiction is due to
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60fe38ba81fb4616a656366f- 1Cocainefalse
- 2Caffeinefalse
- 3Nicotinetrue
- 4Histaminefalse
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Answer : 3. "Nicotine"
Q: The main components of Liquid Petrolium Gas (LPG) are?
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61d6d3e60499556d96b5bada- 1Ethane, Propane and Butanetrue
- 2Methane, Carbon Monoxide & Hydrogenfalse
- 3Methane, Ethane and Hexanefalse
- 4Methane, Pentane and Hexanefalse
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Answer : 1. "Ethane, Propane and Butane"
Q: Which of the following statements is not correct?
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6256fb46788437496062dda5- 1Digestion is a chemical change.false
- 2Photosynthesis is a chemical change.false
- 3Respiration is a chemical change.false
- 4Crystallisation is a chemical change.true
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