General Science Practice Question and Answer
8 4 Q:
5f912d7b9e18f97b7040e7d7 4 Q:
5f0ff47c4e2c7631e439119f 4 Q:
5edefa608c4c964f73d37fc0 Answer : 3. "3.5%"
4 Q:
5ef415d2bea49d16b47d3a44 Answer : 1. "Land and tin"
4 Q:
5f9130427793eb35d72d84b4 4 4 Q:
5ee838b879b5ea388bebebc9 4 Q:
5eec7a129857693341407ce2
Q: Richter Scale is used in measuring?
1597 15f912d7b9e18f97b7040e7d7
5f912d7b9e18f97b7040e7d7- 1Earthquake intensitytrue
- 2Wind speedfalse
- 3Depth of seafalse
- 4Body temperaturefalse
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Answer : 1. "Earthquake intensity"
Q: The velocity of sound in air is approx.
1596 15f0ff47c4e2c7631e439119f
5f0ff47c4e2c7631e439119f- 1340 m / sfalse
- 2330 m / strue
- 3110 m / sfalse
- 4232 m / sfalse
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Answer : 2. "330 m / s"
Q: The average salinity of sea water is
1594 05edefa608c4c964f73d37fc0
5edefa608c4c964f73d37fc0- 12%false
- 23%false
- 33.5%true
- 42.5%false
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Answer : 3. "3.5%"
Explanation :
The average salinity of sea water is 3.5% or 35 parts per thousand. In other words, for every 1 litre of sea water there is 35 grams of dissolved salts (NaCl) .
Q: Solder wire is made?
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5ef415d2bea49d16b47d3a44- 1Land and tintrue
- 2Zinc and copperfalse
- 3copper and leadfalse
- 4None of thesefalse
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Answer : 1. "Land and tin"
Explanation :
Solder is a fusible metal alloy used to create a permanent bond between metal workpieces. It is made up of 60% tin and 40% lead.
Q: His melting point increasing the pressure on ice?
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5f9130427793eb35d72d84b4- 1will decreasetrue
- 2will increasefalse
- 3will be zerofalse
- 4will remain unchangedfalse
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Answer : 1. "will decrease"
Q: The element common to all acids is 1587 05edeface2fce215c8ec3bc2f
5edeface2fce215c8ec3bc2f- 1oxygenfalse
- 2hydrogentrue
- 3carbonfalse
- 4sulphurfalse
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Answer : 2. "hydrogen"
Q: Plants are made disease resistant by it?
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5ee838b879b5ea388bebebc9- 1Kalchisinfalse
- 2Reproductiontrue
- 3Harmonousfalse
- 4heatfalse
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Answer : 2. "Reproduction"
Q: Image formed on retina in human eye?
1577 05eec7a129857693341407ce2
5eec7a129857693341407ce2- 1is inverted only appears upside downfalse
- 2is upright but gives inverted image.true
- 3Inverted but directly visiblefalse
- 4is straightfalse
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Answer : 2. "is upright but gives inverted image."
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