Science GK Practice Question and Answer

Q:

Which of the following gas is not present in the atmosphere?

988 0

  • 1
    Nitrogen
    Correct
    Wrong
  • 2
    Helium
    Correct
    Wrong
  • 3
    Chlorine
    Correct
    Wrong
  • 4
    Krypton
    Correct
    Wrong
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Answer : 3. "Chlorine"

Q:

Which substance is added to make natural rubber hard and bouncy?

987 0

  • 1
    Petrol Jelly
    Correct
    Wrong
  • 2
    sulfuric acid
    Correct
    Wrong
  • 3
    sulfur
    Correct
    Wrong
  • 4
    Sponge
    Correct
    Wrong
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Answer : 3. "sulfur"

Q:

Which gas is used for unnatural ripening of fruits?

986 0

  • 1
    Ethylene
    Correct
    Wrong
  • 2
    ethane
    Correct
    Wrong
  • 3
    carbon dioxide
    Correct
    Wrong
  • 4
    Acetylene
    Correct
    Wrong
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Answer : 1. "Ethylene"

Q:

Which of the following method is adopted to remove salt from sea water?

981 0

  • 1
    sublimation
    Correct
    Wrong
  • 2
    Evaporation
    Correct
    Wrong
  • 3
    crystallization
    Correct
    Wrong
  • 4
    distillation
    Correct
    Wrong
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Answer : 2. "Evaporation"

Q:

Which of the following is essentially produced in the fermentation process?

964 0

  • 1
    ethyl alcohol
    Correct
    Wrong
  • 2
    Methyl alcohol
    Correct
    Wrong
  • 3
    acetic acid
    Correct
    Wrong
  • 4
    yeast
    Correct
    Wrong
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Answer : 1. "ethyl alcohol"

Q:

Image are formed between two parallel mirrors?

956 0

  • 1
    2
    Correct
    Wrong
  • 2
    4
    Correct
    Wrong
  • 3
    8
    Correct
    Wrong
  • 4
    Eternal
    Correct
    Wrong
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Answer : 4. "Eternal"

Q:

The filament of an electric bulb is made up of

951 0

  • 1
    Chromium
    Correct
    Wrong
  • 2
    Tungsten
    Correct
    Wrong
  • 3
    Copper
    Correct
    Wrong
  • 4
    Zinc
    Correct
    Wrong
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Answer : 2. "Tungsten"

Q:

What poison group is suitable for juicy juvenile insects?

951 0

  • 1
    gastric venom
    Correct
    Wrong
  • 2
    poisoning
    Correct
    Wrong
  • 3
    Somatic / all round venom
    Correct
    Wrong
  • 4
    tactile venom
    Correct
    Wrong
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Answer : 3. "Somatic / all round venom"

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