General Science Questions Practice Question and Answer
8 Q: 'Bar' is the unit of
2355 15edf0060d1536a09d574924c
5edf0060d1536a09d574924c- 1temperaturefalse
- 2heatfalse
- 3currentfalse
- 4atmospheric pressuretrue
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Answer : 4. "atmospheric pressure"
Q: Which acid is present in lemon ? 2355 05c2dbbe29fd00135a4b2115e
5c2dbbe29fd00135a4b2115e- 1marlic acidfalse
- 2citric acidtrue
- 3lactic acidfalse
- 4tartaric acidfalse
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Answer : 2. "citric acid"
Q: Why put a wooden handle in the kettle?
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5fc9cf7dcac441723c82be24- 1because of fashionfalse
- 2Wood is a bad conductor of heat and the handle is not hottrue
- 3is lightfalse
- 4None of thesefalse
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Answer : 2. "Wood is a bad conductor of heat and the handle is not hot"
Q: Which of the gas is not known as green house gas?
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5edef8a5d1536a09d5745f35- 1Methanefalse
- 2Hydrogentrue
- 3Nitrous oxidefalse
- 4Carbon dioxidefalse
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Answer : 2. "Hydrogen"
Explanation :
Whereas oxygen, nitrogen, and argon are not examples of greenhouse gases.
Q: Which of the following is caused by the higher concentration of Nitrogen and Phosphorous?
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5dfc9d4340c34473ac86ae3c- 1Eutrophicationtrue
- 2Hardnessfalse
- 3Alkalinityfalse
- 4Acidityfalse
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Answer : 1. "Eutrophication "
Q: Safety fuse wire used in domestic electrical appliances is made of metal of low
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5e2537b3643ee23eb6aea0f3- 1resistancefalse
- 2melting pointtrue
- 3specific gravityfalse
- 4conductancefalse
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Answer : 2. "melting point"
Q: Reflex actions are controlled by 2335 05b5cc69ee4d2b4197774c985
5b5cc69ee4d2b4197774c985- 1the Brainfalse
- 2the Spinal Chordtrue
- 3the Nervesfalse
- 4the Cellsfalse
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Answer : 2. "the Spinal Chord "
Explanation :
Answer: B) The Spinal Chord Explanation: A reflex arc is a neural pathway that controls a reflex. In vertebrates, most sensory neurons do not pass directly into the brain, but synapse in the spinal cord. This allows for faster reflex actions to occur by activating spinal motor neurons without the delay of routing signals through the brain.
Q: When chlorophyll is burnt which element is obtained?
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5de48f31848f4a29cf45ae3c- 1Cafalse
- 2Nafalse
- 3Mgtrue
- 4Mnfalse
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