General Science Practice Question and Answer
8 Q: Why it is not advisable to sleep under a tree at night?
2076 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: Which is known as carbolic acid?
2001 15f029a3e7a5a806340b1064a
5f029a3e7a5a806340b1064a- 1Phenoltrue
- 2Ethanolfalse
- 3Acetic acidfalse
- 4Oxalic acidfalse
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Answer : 1. "Phenol "
Q: Tungsten resistance to temperature rise?
1999 05ef41568bea49d16b47d39a1
5ef41568bea49d16b47d39a1- 1decreasesfalse
- 2increasestrue
- 3there is no changefalse
- 4All thesefalse
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Answer : 2. "increases"
Explanation :
At high temperatures, the tungsten filament gets hot and atoms in the filament vibrate more. The electrons in the current now collide more with the atoms & more energy is needed to push the current through the filament. Hence, the resistance of tungsten increases with temperature.
Q: Example of complementary unit?
1884 15eec7ac813d72d584fb8347d
5eec7ac813d72d584fb8347d- 1forcefalse
- 2heatfalse
- 3Angletrue
- 4pressurefalse
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Answer : 3. "Angle"
Q: Which organ cannot be transplanted in human body?
1876 05f0ff5042d9085055f45e4b4
5f0ff5042d9085055f45e4b4- 1Heartfalse
- 2kidneyfalse
- 3Braintrue
- 4lungfalse
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Answer : 3. "Brain"
Q: 'Bar' is the unit of
1876 15edf0060d1536a09d574924c
5edf0060d1536a09d574924c- 1temperaturefalse
- 2heatfalse
- 3currentfalse
- 4atmospheric pressuretrue
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Answer : 4. "atmospheric pressure"
Q: An object is in static equilibrium when it is ________.
1865 55f48d188cebf7d1232e8cd99
5f48d188cebf7d1232e8cd99- 1moving in a circular pathfalse
- 2at resttrue
- 3moving with uniform velocityfalse
- 4accelerating at high speedfalse
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Answer : 2. "at rest "
Q: Which of the gas is not known as green house gas?
1862 05edef8a5d1536a09d5745f35
5edef8a5d1536a09d5745f35- 1Methanefalse
- 2Hydrogentrue
- 3Nitrous oxidefalse
- 4Carbon dioxidefalse
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Answer : 2. "Hydrogen"
Explanation :
Whereas oxygen, nitrogen, and argon are not examples of greenhouse gases.