General Science Questions Practice Question and Answer

Q:

The refractive index of diamond is-

141 0

  • 1
    1.77
    Correct
    Wrong
  • 2
    1.47
    Correct
    Wrong
  • 3
    1.44
    Correct
    Wrong
  • 4
    2.42
    Correct
    Wrong
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Answer : 4. "2.42"

Q:

Which mirror is used in solar cooker?

144 0

  • 1
    convex mirror
    Correct
    Wrong
  • 2
    plane mirror
    Correct
    Wrong
  • 3
    concave mirror
    Correct
    Wrong
  • 4
    None of these
    Correct
    Wrong
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Answer : 3. "concave mirror"

Q:

The width of the mirror is called that of the mirror?

138 0

  • 1
    focus
    Correct
    Wrong
  • 2
    Pole
    Correct
    Wrong
  • 3
    Dwarka
    Correct
    Wrong
  • 4
    None of these.
    Correct
    Wrong
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Answer : 3. "Dwarka"

Q:

What is the image formed by a plane mirror?

137 0

  • 1
    real
    Correct
    Wrong
  • 2
    Dreamy
    Correct
    Wrong
  • 3
    Reverse
    Correct
    Wrong
  • 4
    None of these
    Correct
    Wrong
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Answer : 2. "Dreamy"

Q:

If the image formed in a mirror is always erect, equal in size to the object, then the mirror is?

134 0

  • 1
    concave
    Correct
    Wrong
  • 2
    convex
    Correct
    Wrong
  • 3
    Flat
    Correct
    Wrong
  • 4
    None of these
    Correct
    Wrong
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Answer : 3. "Flat"

Q:

Is a mirror always an erect image of a real object?

148 0

  • 1
    flat, convex, concave
    Correct
    Wrong
  • 2
    flat, concave
    Correct
    Wrong
  • 3
    Convex Concave
    Correct
    Wrong
  • 4
    flat, convex
    Correct
    Wrong
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Answer : 4. "flat, convex"

Q:

What is the locomotor part of hydra?

139 0

  • 1
    pseudopod
    Correct
    Wrong
  • 2
    cilia
    Correct
    Wrong
  • 3
    tentacles
    Correct
    Wrong
  • 4
    None of these
    Correct
    Wrong
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Answer : 3. "tentacles"

Q:

Why do cat's eyes glow at night?

149 0

  • 1
    because of the special lens
    Correct
    Wrong
  • 2
    no clear cause known
    Correct
    Wrong
  • 3
    due to gene effect
    Correct
    Wrong
  • 4
    due to tapetum lucidum
    Correct
    Wrong
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Answer : 4. "due to tapetum lucidum"

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