General Science Questions Practice Question and Answer
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6329b77e5c208a6bf7ddbb97 Answer : 2. "Hygrometer "
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Q: Hydroponics is growing plant without____.
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6099190e1c52c418ae4c7a15- 1Fertilizersfalse
- 2Waterfalse
- 3Soiltrue
- 4Seedsfalse
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Answer : 3. "Soil "
Q: It is dangerous to have carbon monoxide in the atmosphere because
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5f913c9ed6785c0fc0d97bf9- 1Decreases the organic matter of tissues.false
- 2Oxygen present in the body makes carbon dioxide.false
- 3Dry the blood.false
- 4Combining hemoglobin makes it unfit for oxygen absorption.true
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Answer : 4. "Combining hemoglobin makes it unfit for oxygen absorption."
Q: The velocity of sound is minimum in?
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61d6b7a535bd1c6dbafbe50f- 1Airfalse
- 2Ironfalse
- 3Vacuumtrue
- 4Waterfalse
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Answer : 3. "Vacuum"
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: Which of the following instrument is used to measure the humidity in the air?
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6329b77e5c208a6bf7ddbb97- 1Hydrometerfalse
- 2Hygrometertrue
- 3Hydrophonefalse
- 4Heliometerfalse
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Answer : 2. "Hygrometer "
Explanation :
The means of measuring the humidity of the atmosphere are called hygrometers.
Q: The rusting of the iron is the example of:
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6023e27cad295556282f7dbb- 1Polymerisationfalse
- 2D.Galvanizationfalse
- 3Oxidationtrue
- 4Reductionfalse
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Answer : 3. "Oxidation"
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: Which of the following is incorrect?
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6082a605bfeec334bc896276- 1Oncology - Study of Cancerfalse
- 2Numismatics – Stampstrue
- 3Ornithology- Study of birdsfalse
- 4Osteology - Study of bonesfalse
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Answer : 2. "Numismatics – Stamps"
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