General Science Questions Practice Question and Answer
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651fcc49e1bf7bf087f49d70 Answer : 2. "Process Control Block "
Q: Basic scientific principle behind a nuclear reactor is
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602f519fddf4356d773d28aa- 1Nuclear fusionfalse
- 2Controlled nuclear fusionfalse
- 3Uncontrolled nuclear fissionfalse
- 4Controlled nuclear fissiontrue
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Answer : 4. "Controlled nuclear fission"
Q: Which blood vessels have the smallest diameter?
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60991926c4aedb3e8066dcaf- 1Venulesfalse
- 2Lymphaticfalse
- 3Capillariestrue
- 4Arteriolesfalse
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Answer : 3. "Capillaries"
Q: Which of the following is the lightest element?
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60804077711d9a7cad41f17b- 1Heliumfalse
- 2Mercuryfalse
- 3Hydrogentrue
- 4Platinumfalse
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Answer : 3. "Hydrogen"
Q: Renewable source of energy is
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60fe443b20de8e1be91d27ee- 1Coalfalse
- 2Petroleumfalse
- 3Plantstrue
- 4Uraniumfalse
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Answer : 3. "Plants"
Q: Maxwell is the unit of -
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606c26276a85553684ddc1cc- 1Magnetic susceptibilityfalse
- 2Intensity of magnetizationfalse
- 3Permeabilityfalse
- 4Magnetic fluxtrue
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Answer : 4. "Magnetic flux"
Q: Which of the following polymer is obtained on the polymerization of hexamethylene diamine and adipic acid?
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61529f2e76e1e11d608f3905- 1Nylon - 6,6true
- 2Terylenefalse
- 3Toluenefalse
- 4Bakelitefalse
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Answer : 1. "Nylon - 6,6 "
Q: Which of the following alloys is used for making magnets ?
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606c23f66a85553684ddbcb9- 1Alnicotrue
- 2Magneliumfalse
- 3Duraluminfalse
- 4Stainless Steelfalse
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Answer : 1. "Alnico"
Q: ‘PCB’ stands for–
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651fcc49e1bf7bf087f49d70- 1Programme Control Blockfalse
- 2Process Control Blocktrue
- 3Process Communication Blockfalse
- 4None of the abovefalse
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Answer : 2. "Process Control Block "
Explanation :
Process Control Block (PCB, also called Task Controlling Block, Task Structure or Switchframe) is a data structure in the Operating System kernel containing the information needed to manage a particular process.The PCB is the manifestation of a process in an Operating System.
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