Science GK Practice Question and Answer
8 4 Q:
5f60453380a26b7dab000e70 4 Q:
6014085b2a5c813e157fa078 4 4 Q:
5f912f099e18f97b7040eacf 4 Q:
5ef415d2bea49d16b47d3a44 Answer : 1. "Land and tin"
4 Q:
643918511ce944a93ea1c091 4 Q:
60140705d039355294ee4e93 4 Q:
601404df2a5c813e157f5cce
Q: Which of the following protocols is not correctly related to its issue?
2178 05f60453380a26b7dab000e70
5f60453380a26b7dab000e70- 11987 Montreal Protocol - Ozone Depleting Substancesfalse
- 21979 Bone Conference - Conservation of Migratory Speciesfalse
- 31989 Basel Convention - Regulation of transboundary movement, transit, handling and use of living modified organismstrue
- 41998 Rotterdam Conference - Consent in the international trade of some hazardous chemicals and pesticidesfalse
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Answer : 3. "1989 Basel Convention - Regulation of transboundary movement, transit, handling and use of living modified organisms"
Q: Who invented television?
2126 06014085b2a5c813e157fa078
6014085b2a5c813e157fa078- 1J.R. L. Bairdtrue
- 2Macmillanfalse
- 3James Wattfalse
- 4None of thesefalse
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Answer : 1. "J.R. L. Baird"
Q: The metal used to recover copper from a solution of copper sulphate is ? 2124 05c2dc31994bba731de8f0a4a
5c2dc31994bba731de8f0a4a- 1Nafalse
- 2Agfalse
- 3Hgfalse
- 4Fetrue
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Answer : 4. "Fe"
Q: What type of waves are there in Radar?
2110 05f912f099e18f97b7040eacf
5f912f099e18f97b7040eacf- 1electric wavesfalse
- 2electromagnetic wavestrue
- 3Sound wavesfalse
- 4None of the abovefalse
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Answer : 2. "electromagnetic waves"
Q: Solder wire is made?
2101 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: Which of the following is NOT an example of Pteridophyta?
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643918511ce944a93ea1c091- 1Funariatrue
- 2Selaginellafalse
- 3Equisetumfalse
- 4Pterisfalse
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Answer : 1. "Funaria "
Q: When a metal is heated, its density?
2095 060140705d039355294ee4e93
60140705d039355294ee4e93- 1increasesfalse
- 2There is no differencefalse
- 3decreasestrue
- 4None of the abovefalse
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Answer : 3. "decreases"
Q: When a man enters a dark room with light, he sees nothing for some time. Later he begins to appear, because?
2094 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"
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