Basic GK Practice Question and Answer
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Q: What type of acid is found in curd?
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5f697af5558d255013b2469e- 1lactic acidtrue
- 2citric acidfalse
- 3Oxalic acidfalse
- 4Othersfalse
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Answer : 1. "lactic acid"
Q: What is the pH value of sodium hydroxide?
1665 05f697aa5397b1a52908bfe4f
5f697aa5397b1a52908bfe4f- 111false
- 212false
- 313false
- 414true
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Answer : 4. "14"
Q: Herbs- The decomposition of vegetables into compost is an example of which reaction?
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5f697a52f9079a64e3a50eab- 1endothermicfalse
- 2exothermictrue
- 3substitutionfalse
- 4Amphibianfalse
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Answer : 2. "exothermic"
Q: On heating copper powder in air, a layer of copper oxide accumulates on its surface. What is the color of this layer?
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5f697a06f9079a64e3a50c7f- 1Blacktrue
- 2Whitefalse
- 3Yellowfalse
- 4Brownfalse
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Answer : 1. "Black"
Q: What type of chemical reaction is combustion of natural gas?
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5f6979af558d255013b234b3- 1combination reactionfalse
- 2decomposition reactionfalse
- 3exothermic reactiontrue
- 4dissolution reactionfalse
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Answer : 3. "exothermic reaction"
Q: What species are found abundantly in ecotone, what is called?
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5f6052b32eed863f3a808024- 1Edge speciestrue
- 2Keystone speciesfalse
- 3Endemic speciesfalse
- 4Foster speciesfalse
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Answer : 1. "Edge species"
Q: Who propounded the term ecology?
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5f60521e09624c19c5c14b7d- 1Charles Darwinfalse
- 2Robert Whitakerfalse
- 3Arthur Tansleyfalse
- 4Ernest Hackletrue
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Answer : 4. "Ernest Hackle"
Q: What is the following statements is incorrect.
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5f6051cf2e2c892823458623- 1Photochemical haze always contains ozone.false
- 2The toxic effect of carbon monoxide is more attractive to hemoglobin than oxygen.false
- 3Lead is the most dangerous metal pollutant of automobile exhaustfalse
- 4None of thesetrue
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Answer : 4. "None of these"
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