General Science Questions Practice Question and Answer
8 4 Answer : 2. "Methane"
4 Q:
61b1dbd945c0db34860a2ec7 4 Q:
5ee99605109b5d6e01623341 Answer : 3. "Sulphuric acid"
4 Q:
5feafe33f6205c4d625cf626 4 Q:
5e588fecc731373e79bc6f34 4 Q:
610a6823986c2c5ce12d05e7 4 Q:
5e576340f07ca775556a9e96 4 Q:
5e7ee1b5d56d695255d19958
Q: The main constituent of biogas is 1623 05b5cc69de4d2b4197774c8e1
5b5cc69de4d2b4197774c8e1- 1oxygenfalse
- 2Methanetrue
- 3acetic acidfalse
- 4methyl alcoholfalse
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Answer : 2. "Methane"
Explanation :
Answer: B) Methane Explanation: The main constituent of biogas is methane (55-70%), CO2 (30-45%) and some traces of gases such as H2S and ammonia. Biogas is produced under anaerobic conditions; the process is denominated as anaerobic digestion.
Q: When the snowflake melts, the result will be-
1622 161b1dbd945c0db34860a2ec7
61b1dbd945c0db34860a2ec7- 1will change in water levelfalse
- 2will remain unchanged in the water leveltrue
- 3water level will decreasefalse
- 4water level will risefalse
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Answer : 2. "will remain unchanged in the water level"
Q: Which of the following acids is used in car batteries?
1620 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 level of sound during normal conversation is
1616 05feafe33f6205c4d625cf626
5feafe33f6205c4d625cf626- 120 dbfalse
- 240 dbfalse
- 360 dbtrue
- 480 dbfalse
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Answer : 3. "60 db"
Q: Is the Taj Mahal being damaged?
1614 05e588fecc731373e79bc6f34
5e588fecc731373e79bc6f34- 1Floods in Yamunafalse
- 2by decomposition of marble at high temperaturefalse
- 3Air pollutants from Mathura Oil Refinerytrue
- 4None of the abovefalse
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Answer : 3. "Air pollutants from Mathura Oil Refinery "
Q: Mohs scale is used to measure ________.
1612 0610a6823986c2c5ce12d05e7
610a6823986c2c5ce12d05e7- 1Elasticity of a Materialfalse
- 2Liquidity of a Substancefalse
- 3Viscosity of Substancefalse
- 4Hardness of Substancetrue
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Answer : 4. "Hardness of Substance"
Q: Is the work of 'Hanley's Loop' related?
1610 05e576340f07ca775556a9e96
5e576340f07ca775556a9e96- 1From the emission mechanismtrue
- 2by the system of processfalse
- 3From urinary regenerating systemfalse
- 4From the nervous systemfalse
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Answer : 1. "From the emission mechanism "
Q: As the frequency of a wave increases, what happens to its wavelength?
1609 05e7ee1b5d56d695255d19958
5e7ee1b5d56d695255d19958- 1It increasesfalse
- 2It remains the samefalse
- 3It decreasestrue
- 4There is no connection between the twofalse
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Answer : 3. "It decreases "
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