General Science Questions Practice Question and Answer
8 Q: Which one of the following animals can hear ultrasonic sound?
2613 05e81ff82d063766356947029
5e81ff82d063766356947029- 1Ratfalse
- 2Squirrelfalse
- 3Catfalse
- 4Battrue
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Answer : 4. "Bat "
Q: The isotope atoms differ in ? 2606 05c2dbe24bc106c237a22c194
5c2dbe24bc106c237a22c194- 1number of neutronstrue
- 2atomic numberfalse
- 3number of electronsfalse
- 4atomic weightfalse
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Answer : 1. "number of neutrons"
Q: Why it is not advisable to sleep under a tree at night?
2602 05ef432e8d40ebf3f78335a80
5ef432e8d40ebf3f78335a80- 1Release of less oxygenfalse
- 2Release of more oxygenfalse
- 3Release of carbon dioxidetrue
- 4Release of carbon monoxidefalse
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Answer : 3. "Release of carbon dioxide"
Explanation :
Sleeping under a tree is not advisable at night, since photosynthesis does not occur, oxygen is not being produced by the trees. In addition to this, the trees continue respiring thereby causing the amount of carbon dioxide to be increased and the amount of oxygen to be reduced.
Q: The nitrogenous base found in place of Thiamine in RNA molecule
2583 05e6f65627981157db2c0e04f
5e6f65627981157db2c0e04f- 1Cytosinefalse
- 2Adeninefalse
- 3Uraciltrue
- 4Guaninefalse
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Answer : 3. "Uracil "
Q: Unit of solid angle is:
2552 05db92783aec31117bb8918c9
5db92783aec31117bb8918c9- 1degreefalse
- 2radianfalse
- 3steradiantrue
- 4radian-secondfalse
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Answer : 3. "steradian"
Q: Which of the following statements about water is false? 2539 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: Which mirror is used as a surface vision mirror in vehicles?
2533 05e37bf80dd72cf778fba91a7
5e37bf80dd72cf778fba91a7- 1Planefalse
- 2Convextrue
- 3Concavefalse
- 4Invertedfalse
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Answer : 2. "Convex "
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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