General Science Practice Question and Answer

Q:

The pitch of the voice of the women is generally

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    same as that of men
    Correct
    Wrong
  • 2
    higher than that of men
    Correct
    Wrong
  • 3
    much lower than that of men
    Correct
    Wrong
  • 4
    none of the above
    Correct
    Wrong
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Answer : 2. "higher than that of men "

Q:

The term ‘ecosystem’ was proposed by—

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

Q: Reflex actions are controlled by 2596 0

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    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:

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:

The major component used in preparation of different types of glasses is :

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    Sodium borate
    Correct
    Wrong
  • 2
    Sodium Silicate
    Correct
    Wrong
  • 3
    Silica
    Correct
    Wrong
  • 4
    Calcium Silicate
    Correct
    Wrong
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Answer : 3. "Silica"

Q:

What harmful gas is released by factories and vehicles 

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  • 1
    Carbon monoxide
    Correct
    Wrong
  • 2
    Nitrogen dioxide
    Correct
    Wrong
  • 3
    Sulphur dioxide
    Correct
    Wrong
  • 4
    Carbon dioxide
    Correct
    Wrong
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Answer : 1. "Carbon monoxide "

Q:

The lactose is made , from . . . .

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  • 1
    Glucose + Fructose
    Correct
    Wrong
  • 2
    Glucose + Glucose
    Correct
    Wrong
  • 3
    Glucose + Galactose
    Correct
    Wrong
  • 4
    Fructose + Fructose
    Correct
    Wrong
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Answer : 3. "Glucose + Galactose "

Q:

Is there concentration in the eye? 

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  • 1
    By altering the convex of the lens
    Correct
    Wrong
  • 2
    Back-and-forth speed of the lens
    Correct
    Wrong
  • 3
    By the front-and-back motion of the retina
    Correct
    Wrong
  • 4
    By changing the refractive index of the liquid of the eye
    Correct
    Wrong
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Answer : 3. "By the front-and-back motion of the retina "

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