GK Practice Question and Answer
8Q: Which memory needs refresh? 2777 05b5cc5ffe4d2b4197774b421
5b5cc5ffe4d2b4197774b421- 1DRAMtrue
- 2SRAMfalse
- 3ROMfalse
- 4None of thesefalse
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Answer : 1. "DRAM"
Explanation :
Answer: A) DRAM Explanation: Memory refresh is the process of periodically reading information from an area of computer memory and immediately rewriting the read information to the same area without modification, for the purpose of preserving the information. Memory refresh is a background maintenance process required during the operation of semiconductor dynamic random-access memory (DRAM), the most widely used type of computer memory.
Q: Where is the Tungabhadra sanctuary located?
2767 06024efac083f2c6596c16525
6024efac083f2c6596c16525- 1Madhya Pradeshfalse
- 2Uttar Pradeshfalse
- 3West Bengalfalse
- 4Karnatakatrue
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Answer : 4. "Karnataka"
Q: The Bondla Wildlife Sanctuary (BWS) is located in which state?
2766 05ef976a2a26dd669b340c25a
5ef976a2a26dd669b340c25a- 1Karnatakafalse
- 2Tripurafalse
- 3Goatrue
- 4Manipurfalse
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Answer : 3. "Goa"
Q: What is the principle of life jacket?
2766 060adeaecd752621d4f9f0dd5
60adeaecd752621d4f9f0dd5- 1It provide oxygen to the drowning person.false
- 2It increase persons volume to help him float.true
- 3It decreases persons volume to help him float.false
- 4A persons can sit on itfalse
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Answer : 2. "It increase persons volume to help him float."
Q: Which of the following statements about water is false? 2763 05b5cc601e4d2b4197774b462
5b5cc601e4d2b4197774b462- 1There is extensive intramolecular hydrogen bonding in the condensed phase.true
- 2Water is oxidized to oxygen during photosynthesis.false
- 3Ice formed by heavy water sinks in normal water.false
- 4Water can act both as an acid and as a base.false
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Answer : 1. "There is extensive intramolecular hydrogen bonding in the condensed phase."
Explanation :
Answer: A) There is extensive intramolecular hydrogen bonding in the condensed phase. Explanation: Water possess intermolecular hydrogen bonding in the condensed phase. Hence, the given statement 'There is extensive intramolecular hydrogen bonding in the condensed phase.' about water is FALSE.
Q: Unit of solid angle is:
2752 05db92783aec31117bb8918c9
5db92783aec31117bb8918c9- 1degreefalse
- 2radianfalse
- 3steradiantrue
- 4radian-secondfalse
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Answer : 3. "steradian"
Q: Which mirror is used as a surface vision mirror in vehicles?
2745 05e37bf80dd72cf778fba91a7
5e37bf80dd72cf778fba91a7- 1Planefalse
- 2Convextrue
- 3Concavefalse
- 4Invertedfalse
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Answer : 2. "Convex "
Q: Table salt gets moist during rainy season because -
2744 05f2cf6ad79b9e641a7606520
5f2cf6ad79b9e641a7606520- 1sodium chloride contains some quantity of sodium iodidefalse
- 2sodium chloride contains hygroscopic impurities like - magnesium chloridetrue
- 3sodium chloride Is hygroscopicfalse
- 4sodium chloride is deliquescentfalse
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