Science GK Practice Question and Answer
8 4 Q:
611b67f06d0fd147810fba82 4 Q:
5f912f099e18f97b7040eacf 4 Q:
6014085b2a5c813e157fa078 4 Q:
601404df2a5c813e157f5cce 4 4 Q:
60140705d039355294ee4e93 4 Q:
5ef415d2bea49d16b47d3a44 Answer : 1. "Land and tin"
4 Q:
611b65ccdc4e2547a1c91cfa
Q: Insulin was invented by?
2075 1611b67f06d0fd147810fba82
611b67f06d0fd147810fba82- 1Eijkmanfalse
- 2Bettingtrue
- 3Domagkfalse
- 4H. G. khuranafalse
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Answer : 2. "Betting"
Q: What type of waves are there in Radar?
2055 05f912f099e18f97b7040eacf
5f912f099e18f97b7040eacf- 1electric wavesfalse
- 2electromagnetic wavestrue
- 3Sound wavesfalse
- 4None of the abovefalse
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Answer : 2. "electromagnetic waves"
Q: Who invented television?
2039 06014085b2a5c813e157fa078
6014085b2a5c813e157fa078- 1J.R. L. Bairdtrue
- 2Macmillanfalse
- 3James Wattfalse
- 4None of thesefalse
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Answer : 1. "J.R. L. Baird"
Q: When a man enters a dark room with light, he sees nothing for some time. Later he begins to appear, because?
2027 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: The metal used to recover copper from a solution of copper sulphate is ? 2025 05c2dc31994bba731de8f0a4a
5c2dc31994bba731de8f0a4a- 1Nafalse
- 2Agfalse
- 3Hgfalse
- 4Fetrue
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Answer : 4. "Fe"
Q: When a metal is heated, its density?
2002 060140705d039355294ee4e93
60140705d039355294ee4e93- 1increasesfalse
- 2There is no differencefalse
- 3decreasestrue
- 4None of the abovefalse
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Answer : 3. "decreases"
Q: Solder wire is made?
2000 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.
Q: What do players use for instant power?
1988 0611b65ccdc4e2547a1c91cfa
611b65ccdc4e2547a1c91cfa- 1Sucrosetrue
- 2Vitamin Cfalse
- 3saltfalse
- 4Milkfalse
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Answer : 1. "Sucrose"
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