Basic Science Practice Question and Answer
8 Q: Curd contains mainly______acid.
1591 05ee86dea81b3dd0cad84c212
5ee86dea81b3dd0cad84c212- 1Benzoicfalse
- 2Fumaricfalse
- 3Lactictrue
- 4Malicfalse
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Answer : 3. "Lactic"
Q: Are secondary electrical devices?
1308 05ef448bd7c1ec61320b65029
5ef448bd7c1ec61320b65029- 1Depleting torquesfalse
- 2Containing torquefalse
- 3Damping torquefalse
- 4All thesetrue
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Answer : 4. "All these"
Q: Galileo was an Italian astronomer who was 8811 05c4eb1a2dc28d14d784683a7
5c4eb1a2dc28d14d784683a7- 1developed the telescopefalse
- 2discovered four satellites of Jupiterfalse
- 3discovered that the movement of pendulum produces a regular time measurementfalse
- 4All of the abovetrue
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Answer : 4. "All of the above"
Q: Which of the following acids is used in car batteries?
1112 05ee99605109b5d6e01623341
5ee99605109b5d6e01623341- 1Nitric acidfalse
- 2Hydrochloric acidfalse
- 3Sulphuric acidtrue
- 4Hydrofloric acidfalse
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Answer : 3. "Sulphuric acid"
Explanation :
sulphuric acid is used in car batteries.
Q: The man who is specialist in wine making is called as ? 4559 35b5cc736e4d2b4197774f865
5b5cc736e4d2b4197774f865- 1Wenologistfalse
- 2Grapologistfalse
- 3Oenologisttrue
- 4Nonefalse
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Answer : 3. "Oenologist"
Explanation :
Answer: C) Oenologist Explanation: Oenology is the science and study of wine and winemaking. So person who is specialist in that is called as Oenologist.
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.
Q: In the following that is not related to gases low.
975 05ee8665d109b5d6e015e58ea
5ee8665d109b5d6e015e58ea- 1Boyle’s lawfalse
- 2Avogadro’s lawfalse
- 3Len'z lawtrue
- 4Charles’s lawfalse
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Answer : 3. "Len'z law"
Q: Tungsten resistance to temperature rise?
2001 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.