General Science Practice Question and Answer

Q:

What is used of Capacitor in an electrical circuit?

1664 0

  • 1
    Step down voltage
    Correct
    Wrong
  • 2
    Step up voltage
    Correct
    Wrong
  • 3
    Store electric charge
    Correct
    Wrong
  • 4
    Produce electric charge
    Correct
    Wrong
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Answer : 3. "Store electric charge"

Q:

Richter Scale is used in measuring?

1661 1

  • 1
    Earthquake intensity
    Correct
    Wrong
  • 2
    Wind speed
    Correct
    Wrong
  • 3
    Depth of sea
    Correct
    Wrong
  • 4
    Body temperature
    Correct
    Wrong
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Answer : 1. "Earthquake intensity"

Q:

The velocity of sound in air is approx.

1659 1

  • 1
    340 m / s
    Correct
    Wrong
  • 2
    330 m / s
    Correct
    Wrong
  • 3
    110 m / s
    Correct
    Wrong
  • 4
    232 m / s
    Correct
    Wrong
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Answer : 2. "330 m / s"

Q:

Solder wire is made?

1652 0

  • 1
    Land and tin
    Correct
    Wrong
  • 2
    Zinc and copper
    Correct
    Wrong
  • 3
    copper and lead
    Correct
    Wrong
  • 4
    None of these
    Correct
    Wrong
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Answer : 1. "Land and tin"
Explanation :

Solder is a fusible metal alloy used to create a permanent bond between metal workpieces. It is made up of 60% tin and 40% lead.


Q:

The maximum number of electrons that can be accommodated in M shell is:

1646 0

  • 1
    8
    Correct
    Wrong
  • 2
    32
    Correct
    Wrong
  • 3
    18
    Correct
    Wrong
  • 4
    2
    Correct
    Wrong
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Answer : 3. "18"

Q:

Image formed on retina in human eye?

1644 0

  • 1
    is inverted only appears upside down
    Correct
    Wrong
  • 2
    is upright but gives inverted image.
    Correct
    Wrong
  • 3
    Inverted but directly visible
    Correct
    Wrong
  • 4
    is straight
    Correct
    Wrong
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Answer : 2. "is upright but gives inverted image."

Q: The element common to all acids is 1643 0

  • 1
    oxygen
    Correct
    Wrong
  • 2
    hydrogen
    Correct
    Wrong
  • 3
    carbon
    Correct
    Wrong
  • 4
    sulphur
    Correct
    Wrong
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Answer : 2. "hydrogen"

Q:

His melting point increasing the pressure on ice?

1643 1

  • 1
    will decrease
    Correct
    Wrong
  • 2
    will increase
    Correct
    Wrong
  • 3
    will be zero
    Correct
    Wrong
  • 4
    will remain unchanged
    Correct
    Wrong
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Answer : 1. "will decrease"

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