General Science Practice Question and Answer

Q:

A star appears twinkling in the sky because of 

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  • 1
    scattering of light by atmosphere
    Correct
    Wrong
  • 2
    reflection of light by atmosphere
    Correct
    Wrong
  • 3
    refraction of light by atmosphere
    Correct
    Wrong
  • 4
    diffraction of light by atmosphere
    Correct
    Wrong
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Answer : 3. "refraction of light by atmosphere "

Q: Reflex actions are controlled by 1760 0

  • 1
    the Brain
    Correct
    Wrong
  • 2
    the Spinal Chord
    Correct
    Wrong
  • 3
    the Nerves
    Correct
    Wrong
  • 4
    the Cells
    Correct
    Wrong
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Answer : 2. "the Spinal Chord "
Explanation :

Answer: B) The Spinal Chord Explanation: A reflex arc is a neural pathway that controls a reflex. In vertebrates, most sensory neurons do not pass directly into the brain, but synapse in the spinal cord. This allows for faster reflex actions to occur by activating spinal motor neurons without the delay of routing signals through the brain.

Q:

' Lockjaw ' is the last phase of which of the following diseases ? 

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  • 1
    Diptheria
    Correct
    Wrong
  • 2
    Pneumonia
    Correct
    Wrong
  • 3
    Syphilis
    Correct
    Wrong
  • 4
    Tetanus
    Correct
    Wrong
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Answer : 4. "Tetanus "

Q:

Housefly spreads 

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  • 1
    Common cold
    Correct
    Wrong
  • 2
    Malaria
    Correct
    Wrong
  • 3
    Flu
    Correct
    Wrong
  • 4
    Typhoid
    Correct
    Wrong
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Answer : 4. "Typhoid "

Q:

Which of the following is caused by the higher concentration of Nitrogen and Phosphorous? 

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  • 1
    Eutrophication
    Correct
    Wrong
  • 2
    Hardness
    Correct
    Wrong
  • 3
    Alkalinity
    Correct
    Wrong
  • 4
    Acidity
    Correct
    Wrong
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Answer : 1. "Eutrophication "

Q:

The manufacture of iron from iron ore involves the process of 

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  • 1
    oxidation
    Correct
    Wrong
  • 2
    reduction
    Correct
    Wrong
  • 3
    fractional distillation
    Correct
    Wrong
  • 4
    electrolysis
    Correct
    Wrong
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Answer : 2. "reduction "

Q:

Chloroform can be used as  

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  • 1
    Analgesic
    Correct
    Wrong
  • 2
    Anaesthetic
    Correct
    Wrong
  • 3
    Antimalarial
    Correct
    Wrong
  • 4
    Antibiotic
    Correct
    Wrong
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Answer : 2. "Anaesthetic "

Q:

Bile is produced by the 

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  • 1
    Liver
    Correct
    Wrong
  • 2
    Stomach
    Correct
    Wrong
  • 3
    Pancreas
    Correct
    Wrong
  • 4
    Duodenum
    Correct
    Wrong
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Answer : 1. "Liver "

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