Science GK Practice Question and Answer
8 4 Q:
611b6619dc4e2547a1c91d07 4 Q:
5ef44d082d6fc772f50b9543 4 Q:
5f91312cd6785c0fc0d915c2 4 Q:
5f910423891d2b03f20ed925 4 Q:
5f9130e59e18f97b7040f069 4 Q:
64424f9b0d865d025e66385d Answer : 2. "3"
4 4
Q: What is the following is the softest?
2332 0611b6619dc4e2547a1c91d07
611b6619dc4e2547a1c91d07- 1Alumfalse
- 2Diamondtrue
- 3Terliumfalse
- 4Topazfalse
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Answer : 2. "Diamond"
Q: Metal plate The metal used in the takri?
2331 05ef44d082d6fc772f50b9543
5ef44d082d6fc772f50b9543- 1Copper oxide and coppertrue
- 2Zinc chloride and carbonfalse
- 3Germanium and siliconfalse
- 4None of thesefalse
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Answer : 1. "Copper oxide and copper"
Q: Which vitamin is high in orange?
2329 05f91312cd6785c0fc0d915c2
5f91312cd6785c0fc0d915c2- 1Dfalse
- 2Afalse
- 3Ctrue
- 4Bfalse
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Answer : 3. "C"
Q: Which of the following is not a fuel gas?
2307 15f910423891d2b03f20ed925
5f910423891d2b03f20ed925- 1Water gasfalse
- 2Producer gasfalse
- 3Laughing gastrue
- 4Marsh gasfalse
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Answer : 3. "Laughing gas"
Q: What of the following statements is incorrect?
2276 05f9130e59e18f97b7040f069
5f9130e59e18f97b7040f069- 1Iron sinks in waterfalse
- 2Wood floats on waterfalse
- 3Mercury floats on watertrue
- 4Iron floats in mercuryfalse
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Answer : 3. "Mercury floats on water"
Q: The number of ossicles in the ear of mammals is
2266 064424f9b0d865d025e66385d
64424f9b0d865d025e66385d- 12false
- 23true
- 34false
- 45false
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Answer : 2. "3"
Explanation :
The mammalian middle ear contains three ossicles, which move the vibrations of the eardrum into waves in the liquid and membrane of the inward ear. There are three ossicles in every ear : Malleus, Incus, Stapes. As we have a couple of ears, so altogether there are 6 ossicles, or 3 sets of ossicles.
Q: What nucleus of atom contains ? 2262 05c2dbdee0cb513238953f92c
5c2dbdee0cb513238953f92c- 1protonsfalse
- 2electronsfalse
- 3electrons and protonsfalse
- 4protons and neutronstrue
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Answer : 4. "protons and neutrons"
Q: pH of blood is ? 2261 05c2dbf80f11ee42b64688fda
5c2dbf80f11ee42b64688fda- 110.4false
- 29false
- 37.4true
- 44false
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Answer : 3. "7.4"
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