General Science Questions Practice Question and Answer

Q:

'Bar' is the unit of

2303 1

  • 1
    temperature
    Correct
    Wrong
  • 2
    heat
    Correct
    Wrong
  • 3
    current
    Correct
    Wrong
  • 4
    atmospheric pressure
    Correct
    Wrong
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Answer : 4. "atmospheric pressure"

Q:

The term ‘ecosystem’ was proposed by—

2302 0

  • 1
    Odum
    Correct
    Wrong
  • 2
    Tansley
    Correct
    Wrong
  • 3
    Whitker
    Correct
    Wrong
  • 4
    Goli
    Correct
    Wrong
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Answer : 2. "Tansley"

Q:

Why put a wooden handle in the kettle?

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  • 1
    because of fashion
    Correct
    Wrong
  • 2
    Wood is a bad conductor of heat and the handle is not hot
    Correct
    Wrong
  • 3
    is light
    Correct
    Wrong
  • 4
    None of these
    Correct
    Wrong
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Answer : 2. "Wood is a bad conductor of heat and the handle is not hot"

Q:

What enzyme occurs in human tears , causing bacteria to die ? 

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  • 1
    Emiles
    Correct
    Wrong
  • 2
    Urias
    Correct
    Wrong
  • 3
    Lysozyme
    Correct
    Wrong
  • 4
    Tylin
    Correct
    Wrong
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Answer : 3. "Lysozyme "

Q: Reflex actions are controlled by 2286 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:

Safety fuse wire used in domestic electrical appliances is made of metal of low

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  • 1
    resistance
    Correct
    Wrong
  • 2
    melting point
    Correct
    Wrong
  • 3
    specific gravity
    Correct
    Wrong
  • 4
    conductance
    Correct
    Wrong
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Answer : 2. "melting point"

Q:

When chlorophyll is burnt which element is obtained?

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  • 1
    Ca
    Correct
    Wrong
  • 2
    Na
    Correct
    Wrong
  • 3
    Mg
    Correct
    Wrong
  • 4
    Mn
    Correct
    Wrong
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Answer : 3. "Mg"

Q:

Which of the following instrument is used to measure Soil Water Tension? 

2260 0

  • 1
    Photometer
    Correct
    Wrong
  • 2
    Pyrometer
    Correct
    Wrong
  • 3
    Psychrometer
    Correct
    Wrong
  • 4
    Tensiometer
    Correct
    Wrong
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Answer : 4. "Tensiometer "

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