Basic Science Practice Question and Answer

Q:

Is the plaster of Paris obtained?

1340 0

  • 1
    sodium bicarbonate
    Correct
    Wrong
  • 2
    Gypsum
    Correct
    Wrong
  • 3
    Urea
    Correct
    Wrong
  • 4
    Carbon
    Correct
    Wrong
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Answer : 2. "Gypsum"

Q:

The pH value of milk is

1334 1

  • 1
    2.4
    Correct
    Wrong
  • 2
    6.6
    Correct
    Wrong
  • 3
    3.8
    Correct
    Wrong
  • 4
    8.0
    Correct
    Wrong
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Answer : 2. "6.6"

Q:

What is the normal resting heart rate range for adults (beats/min)?

1331 0

  • 1
    60 to 100
    Correct
    Wrong
  • 2
    50 to 80
    Correct
    Wrong
  • 3
    120 to 180
    Correct
    Wrong
  • 4
    75 to 120
    Correct
    Wrong
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Answer : 1. "60 to 100"

Q:

Who the following Scientist is associated with discovery of electron?

1326 0

  • 1
    Galileo
    Correct
    Wrong
  • 2
    J.J Thomson
    Correct
    Wrong
  • 3
    Einstein
    Correct
    Wrong
  • 4
    C.R.T Wilson
    Correct
    Wrong
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Answer : 2. "J.J Thomson"

Q:

___________is extracted from Bauxite.

1320 1

  • 1
    Silver
    Correct
    Wrong
  • 2
    Uranium
    Correct
    Wrong
  • 3
    Mercury
    Correct
    Wrong
  • 4
    Aluminium
    Correct
    Wrong
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Answer : 4. "Aluminium"

Q:

What causes red color in red soil?

1320 0

  • 1
    Wide spread of iron
    Correct
    Wrong
  • 2
    Excess of iron
    Correct
    Wrong
  • 3
    Excess copper content
    Correct
    Wrong
  • 4
    None of these
    Correct
    Wrong
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Answer : 1. "Wide spread of iron"

Q:

The reason for permanent hardness of water is-

1318 0

  • 1
    Carbonates of calcium and magnesium
    Correct
    Wrong
  • 2
    Bicarbonates of calcium and magnesium
    Correct
    Wrong
  • 3
    Chloride and sulfate of calcium and magnesium
    Correct
    Wrong
  • 4
    None of the above
    Correct
    Wrong
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Answer : 3. "Chloride and sulfate of calcium and magnesium"

Q:

What species are found abundantly in ecotone, what is called?

1317 0

  • 1
    Edge species
    Correct
    Wrong
  • 2
    Keystone species
    Correct
    Wrong
  • 3
    Endemic species
    Correct
    Wrong
  • 4
    Foster species
    Correct
    Wrong
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Answer : 1. "Edge species"

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