General Science Practice Question and Answer

Q:

Mohs scale is used to measure ________.

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  • 1
    Elasticity of a Material
    Correct
    Wrong
  • 2
    Liquidity of a Substance
    Correct
    Wrong
  • 3
    Viscosity of Substance
    Correct
    Wrong
  • 4
    Hardness of Substance
    Correct
    Wrong
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Answer : 4. "Hardness of Substance"

Q:

Is the Taj Mahal being damaged? 

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  • 1
    Floods in Yamuna
    Correct
    Wrong
  • 2
    by decomposition of marble at high temperature
    Correct
    Wrong
  • 3
    Air pollutants from Mathura Oil Refinery
    Correct
    Wrong
  • 4
    None of the above
    Correct
    Wrong
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Answer : 3. "Air pollutants from Mathura Oil Refinery "

Q:

What are a group of Dolphins called? 

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  • 1
    Gang
    Correct
    Wrong
  • 2
    Pod
    Correct
    Wrong
  • 3
    Colony
    Correct
    Wrong
  • 4
    Sleuth
    Correct
    Wrong
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Answer : 2. "Pod "

Q:

Which of the following is not a Natural fibre?

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  • 1
    Starch
    Correct
    Wrong
  • 2
    Cellulose
    Correct
    Wrong
  • 3
    Rubber
    Correct
    Wrong
  • 4
    Nylon-6
    Correct
    Wrong
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Answer : 4. "Nylon-6"

Q:

Which of the following is an aldehyde? 

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  • 1
    Propanal
    Correct
    Wrong
  • 2
    Propanol
    Correct
    Wrong
  • 3
    Propine
    Correct
    Wrong
  • 4
    Propanone
    Correct
    Wrong
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Answer : 1. "Propanal "

Q:

Is the work of 'Hanley's Loop' related? 

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  • 1
    From the emission mechanism
    Correct
    Wrong
  • 2
    by the system of process
    Correct
    Wrong
  • 3
    From urinary regenerating system
    Correct
    Wrong
  • 4
    From the nervous system
    Correct
    Wrong
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Answer : 1. "From the emission mechanism "

Q: The main constituent of biogas is 1572 0

  • 1
    oxygen
    Correct
    Wrong
  • 2
    Methane
    Correct
    Wrong
  • 3
    acetic acid
    Correct
    Wrong
  • 4
    methyl alcohol
    Correct
    Wrong
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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:

As the frequency of a wave increases, what happens to its wavelength? 

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  • 1
    It increases
    Correct
    Wrong
  • 2
    It remains the same
    Correct
    Wrong
  • 3
    It decreases
    Correct
    Wrong
  • 4
    There is no connection between the two
    Correct
    Wrong
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Answer : 3. "It decreases "

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