General Science Questions Practice Question and Answer

Q:

Crooke's tube is used to produce 

1932 0

  • 1
    Radio waves
    Correct
    Wrong
  • 2
    Micro waves
    Correct
    Wrong
  • 3
    X - rays
    Correct
    Wrong
  • 4
    Gama rays
    Correct
    Wrong
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Answer : 3. "X - rays "

Q:

Which of the following metals is used in Space Crafts to withstand high temperatures? 

1929 0

  • 1
    Pb
    Correct
    Wrong
  • 2
    Ti
    Correct
    Wrong
  • 3
    Fe
    Correct
    Wrong
  • 4
    Ni
    Correct
    Wrong
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Answer : 2. "Ti "

Q:

The pigment that gives color to human skin is-

1926 0

  • 1
    Lysozyme
    Correct
    Wrong
  • 2
    Epidermis
    Correct
    Wrong
  • 3
    Melanin
    Correct
    Wrong
  • 4
    Calanin
    Correct
    Wrong
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Answer : 3. "Melanin "

Q:

Capacity when connecting capacitors to series?

1923 1

  • 1
    neither increases nor decreases
    Correct
    Wrong
  • 2
    increases
    Correct
    Wrong
  • 3
    decreases
    Correct
    Wrong
  • 4
    None of the above
    Correct
    Wrong
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Answer : 2. "increases"
Explanation :

A capacitor stores energy in the form of an electrostatic field between its plates. Increasing the size of the plates increases the capacitance because there is more room for the electrons to escape.

Q:

What among following is used to produce artificial rain ?

1922 0

  • 1
    copper oxide
    Correct
    Wrong
  • 2
    carbon monoxide
    Correct
    Wrong
  • 3
    silver iodide
    Correct
    Wrong
  • 4
    silver nitrate
    Correct
    Wrong
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Answer : 3. "silver iodide"

Q:

The ozone layer absorbs

1922 0

  • 1
    infrared radiation
    Correct
    Wrong
  • 2
    microwaves
    Correct
    Wrong
  • 3
    radio wave
    Correct
    Wrong
  • 4
    ultraviolet rays
    Correct
    Wrong
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Answer : 4. "ultraviolet rays"

Q:

Which of the following is the largest living bird? 

1913 0

  • 1
    Eagle
    Correct
    Wrong
  • 2
    Peacock
    Correct
    Wrong
  • 3
    Ostrich
    Correct
    Wrong
  • 4
    Kiwi
    Correct
    Wrong
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Answer : 4. "Kiwi "

Q:

The maximum number of electrons on a principal shell is–

1910 0

  • 1
    Correct
    Wrong
  • 2
    n
    Correct
    Wrong
  • 3
    2n²
    Correct
    Wrong
  • 4
    3n²
    Correct
    Wrong
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Answer : 3. "2n²"

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