General Science Questions Practice Question and Answer

Q:

Which of the following cell organelles is called the powerhouse of the cell?

771 0

  • 1
    Nucleus
    Correct
    Wrong
  • 2
    Nucleolus
    Correct
    Wrong
  • 3
    Golgi body
    Correct
    Wrong
  • 4
    Mitochondria
    Correct
    Wrong
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Answer : 4. "Mitochondria"

Q:

Which one of the following is not an antioxidant? 

768 0

  • 1
    Vitamin E
    Correct
    Wrong
  • 2
    Selenium
    Correct
    Wrong
  • 3
    Lycopene
    Correct
    Wrong
  • 4
    Aspartame
    Correct
    Wrong
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Answer : 4. "Aspartame"
Explanation :

All of the following are peroxidases.

(A) Vitamin E

(B) Selenium

(C) Lycopene

Q:

The yellow color of human urine is due to what?

766 0

  • 1
    Blood
    Correct
    Wrong
  • 2
    cholesterol
    Correct
    Wrong
  • 3
    Bile
    Correct
    Wrong
  • 4
    Urochrome
    Correct
    Wrong
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Answer : 4. "Urochrome"
Explanation :

The yellow color of human urine is primarily due to a pigment called urochrome. Urochrome is a waste product resulting from the breakdown of hemoglobin, a protein in red blood cells. The varying shades of yellow in urine can be influenced by factors such as hydration levels, diet, and certain medications, but urochrome is the main pigment responsible for the typical yellow color of urine.


Q:

Scientific name of Vitamin K1 is-

765 0

  • 1
    Tocopherol
    Correct
    Wrong
  • 2
    Phytonadione
    Correct
    Wrong
  • 3
    Ascorbic acid
    Correct
    Wrong
  • 4
    Pantothenic acid
    Correct
    Wrong
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Answer : 2. "Phytonadione"

Q:

The sky appears blue due to its?

764 0

  • 1
    Refraction of Light
    Correct
    Wrong
  • 2
    Reflection of Light
    Correct
    Wrong
  • 3
    Scattering of Light
    Correct
    Wrong
  • 4
    Diffraction of Light
    Correct
    Wrong
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Answer : 3. "Scattering of Light"

Q:

The metal having the least electrical resistance is _________.

763 0

  • 1
    gold
    Correct
    Wrong
  • 2
    silver
    Correct
    Wrong
  • 3
    copper
    Correct
    Wrong
  • 4
    platinum
    Correct
    Wrong
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Answer : 2. "silver"

Q:

Distillation of an organic liquid is?

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  • 1
    at a temperature below its boiling point
    Correct
    Wrong
  • 2
    at its boiling point
    Correct
    Wrong
  • 3
    at its melting point
    Correct
    Wrong
  • 4
    none of these
    Correct
    Wrong
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Answer : 2. "at its boiling point"

Q:

Which matching is not correct?

756 0

  • 1
    Electromagnetism - Faraday
    Correct
    Wrong
  • 2
    Theory of Inheritance - Darwin
    Correct
    Wrong
  • 3
    Laws of Inertia - Newton
    Correct
    Wrong
  • 4
    None of these.
    Correct
    Wrong
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Answer : 2. "Theory of Inheritance - Darwin"

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