General Science Practice Question and Answer
8 Q: Triton and Nereid are the satellites of which of the following planets?
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5ee0cc398c4c964f73d9938f- 1Venusfalse
- 2Saturnfalse
- 3Neptunetrue
- 4Marsfalse
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Answer : 3. "Neptune"
Q: The nitrogenous base found in place of Thiamine in RNA molecule
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5e6f65627981157db2c0e04f- 1Cytosinefalse
- 2Adeninefalse
- 3Uraciltrue
- 4Guaninefalse
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Answer : 3. "Uracil "
Q: Which of the following statements about water is false? 2834 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: What is the principle of life jacket?
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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: Unit of solid angle is:
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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?
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5e37bf80dd72cf778fba91a7- 1Planefalse
- 2Convextrue
- 3Concavefalse
- 4Invertedfalse
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Answer : 2. "Convex "
Q: Nuclear explosive devices were tested in india at 2794 05b5cc658e4d2b4197774bded
5b5cc658e4d2b4197774bded- 1Pokhrantrue
- 2Kanchipuramfalse
- 3Sriharikotafalse
- 4None of the abovefalse
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Answer : 1. "Pokhran"
Explanation :
Pokhran is a city and a municipality located in Jaisalmer district in the Indian State of Rajasthan. It is a remote location in the Thar desert region and served as the test site for India’s first underground nuclear weapon detonation.
It shot into the international limelight on 7th September 1974, when the then Indian Prime Minister Indira Gandhi verbally authorised scientists at the Bhabha Atomic Research Centre (BARC) at Trombay to detonate small and miniaturised nuclear device. Throughout its development, the device was formally called the Peaceful Nuclear Explosive (PNE) by Indian Government, but it was usually referred to as the Operation ‘Smiling Buddha’. On 11th May of 1998, 24th year after the first operation, the Atomic Energy Commission of India and the Defence Research and Development Organisation (DRDO) carried out the joint operation, known as Pokhran-ll. The AEC India detonated its four devices as part of the underground nuclear testing on Pokhran Test Range.
Q: Which one of the following is highly dangerous radioactive pollutant ?
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5de48f81848f4a29cf45ae45- 1Phosphorus-32false
- 2Sulphur-35false
- 3Strontium-90true
- 4Calcium-40false
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