General Science Practice Question and Answer
8 Q: Battery's electrode?
2211 05ef44cbcf2ebd073795bbffb
5ef44cbcf2ebd073795bbffb- 1must be a semiconductorfalse
- 2Should be the conductor of electricityfalse
- 3Should be a good conductor of electricitytrue
- 4None of thesefalse
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Answer : 3. "Should be a good conductor of electricity"
Q: A high speed vehicle honks, so its pitch?
2194 05f912fafd6785c0fc0d91299
5f912fafd6785c0fc0d91299- 1is heard as muchfalse
- 2more audibletrue
- 3hearing impairedfalse
- 4First less and then morefalse
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Answer : 2. "more audible"
Q: A raised hammer possesses:
2188 05ef588c3d7fe8173219c62ec
5ef588c3d7fe8173219c62ec- 1Muscular Energyfalse
- 2Mechanical Energyfalse
- 3Potential Energytrue
- 4Kinetic Energyfalse
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Answer : 3. "Potential Energy"
Q: The process of transferring of charge from a charged object to the earth is called ______________.
2183 15f17e1a49679b57327a85953
5f17e1a49679b57327a85953- 1Neutralizationfalse
- 2Negationfalse
- 3Earthingtrue
- 4Terraformingfalse
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Answer : 3. "Earthing"
Q: Vegetable oils are converted into ghee?
2161 05f91021d7793eb35d72c61b3
5f91021d7793eb35d72c61b3- 1Heat treatmentfalse
- 2hydrogenationtrue
- 3oxygenfalse
- 4by enzymesfalse
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Answer : 2. "hydrogenation"
Q: Capacity when connecting capacitors to series?
2128 15ef44a6ed7fe817321989d68
5ef44a6ed7fe817321989d68- 1neither increases nor decreasesfalse
- 2increasestrue
- 3decreasesfalse
- 4None of the abovefalse
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Answer : 2. "increases"
Explanation :
A capacitor stores energy in the form of an electrostatic field between its plates. Increasing the size of the plates increases the capacitance because there is more room for the electrons to escape.
Q: The endoplasmic reticulum was discovered?
2128 05ee83caca08a50198d8d021d
5ee83caca08a50198d8d021d- 1Portertrue
- 2Darwinfalse
- 3Huxleyfalse
- 4Purkinjefalse
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Answer : 1. "Porter"
Q: What is the coupling of primary and secondary coils in a transformer?
2127 05ef4495d2d6fc772f50b8ceb
5ef4495d2d6fc772f50b8ceb- 1Electricalfalse
- 2Mechanicalfalse
- 3Magnetictrue
- 4All thesefalse
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Answer : 3. "Magnetic"
Explanation :
The secondary coil is also generating a magnetic field that is growing and shrinking just like the field in the primary coil. This coupling of magnetic energy between these two coils is called mutual induction.