Basic Science Practice Question and Answer
8 4 Q:
607e9d5cefac5e514cad1b6c 4 Q:
5feafe33f6205c4d625cf626 4 Q:
6014085b2a5c813e157fa078 4 Q:
5f912f099e18f97b7040eacf 4 Q:
5ee99605109b5d6e01623341 Answer : 3. "Sulphuric acid"
4 Q:
5f746c08a921aa16e68c30e5 4 Q:
601404df2a5c813e157f5cce 4 Q:
5ef415d2bea49d16b47d3a44 Answer : 1. "Land and tin"
Q: How many 'canine teeth' does an adult human have?
2125 0607e9d5cefac5e514cad1b6c
607e9d5cefac5e514cad1b6c- 18false
- 24true
- 33false
- 42false
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Answer : 2. "4"
Q: The level of sound during normal conversation is
2122 05feafe33f6205c4d625cf626
5feafe33f6205c4d625cf626- 120 dbfalse
- 240 dbfalse
- 360 dbtrue
- 480 dbfalse
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Answer : 3. "60 db"
Q: Who invented television?
2109 06014085b2a5c813e157fa078
6014085b2a5c813e157fa078- 1J.R. L. Bairdtrue
- 2Macmillanfalse
- 3James Wattfalse
- 4None of thesefalse
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Answer : 1. "J.R. L. Baird"
Q: What type of waves are there in Radar?
2102 05f912f099e18f97b7040eacf
5f912f099e18f97b7040eacf- 1electric wavesfalse
- 2electromagnetic wavestrue
- 3Sound wavesfalse
- 4None of the abovefalse
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Answer : 2. "electromagnetic waves"
Q: Which of the following acids is used in car batteries?
2094 05ee99605109b5d6e01623341
5ee99605109b5d6e01623341- 1Nitric acidfalse
- 2Hydrochloric acidfalse
- 3Sulphuric acidtrue
- 4Hydrofloric acidfalse
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Answer : 3. "Sulphuric acid"
Explanation :
sulphuric acid is used in car batteries.
Q: Leaving of the following in ponds and wells helps in controlling mosquitoes?
2088 05f746c08a921aa16e68c30e5
5f746c08a921aa16e68c30e5- 1crabfalse
- 2Dogfishfalse
- 3Gambusia fishtrue
- 4snailfalse
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Answer : 3. "Gambusia fish"
Q: When a man enters a dark room with light, he sees nothing for some time. Later he begins to appear, because?
2081 0601404df2a5c813e157f5cce
601404df2a5c813e157f5cce- 1The iris of his eye shrinkstrue
- 2The iris of his eye spreadsfalse
- 3The distance between the lens and retina of his eye increasesfalse
- 4The length of his eye lens increasesfalse
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Answer : 1. "The iris of his eye shrinks"
Q: Solder wire is made?
2079 05ef415d2bea49d16b47d3a44
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.
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