General Science Questions Practice Question and Answer
8 Q: What enzyme occurs in human tears , causing bacteria to die ?
2427 05e5890572ec0ee6eac14fefe
5e5890572ec0ee6eac14fefe- 1Emilesfalse
- 2Uriasfalse
- 3Lysozymetrue
- 4Tylinfalse
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Answer : 3. "Lysozyme "
Q: Which term is not associated with sound wave?
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5ebb78738e4fa473bcbb5559- 1Hertzfalse
- 2Decibelfalse
- 3Candelatrue
- 4Machfalse
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Answer : 3. "Candela "
Q: Reflex actions are controlled by 2421 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: 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: From whom do teeth and bones gain strength and firmness?
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5dd2325ec2282c484e4406a3- 1Calciumtrue
- 2Fluorinefalse
- 3Chlorinefalse
- 4Sodiumfalse
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Answer : 1. "Calcium"
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 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: Which of the following instrument is used to measure Soil Water Tension?
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5ebe102a828a397cdc6420a9- 1Photometerfalse
- 2Pyrometerfalse
- 3Psychrometerfalse
- 4Tensiometertrue
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