Basic Science Practice Question and Answer

Q:

What is the following statements is incorrect.

1801 0

  • 1
    Photochemical haze always contains ozone.
    Correct
    Wrong
  • 2
    The toxic effect of carbon monoxide is more attractive to hemoglobin than oxygen.
    Correct
    Wrong
  • 3
    Lead is the most dangerous metal pollutant of automobile exhaust
    Correct
    Wrong
  • 4
    None of these
    Correct
    Wrong
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Answer : 4. "None of these"

Q:

Consider the following statements:

1800 0

  • 1
    Photosynthesis occurs during day time only.
    Correct
    Wrong
  • 2
    Respiration takes place both day and night.
    Correct
    Wrong
  • 3
    Neither A nor B are correct.
    Correct
    Wrong
  • 4
    Both A and B are correct.
    Correct
    Wrong
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Answer : 4. "Both A and B are correct."

Q:

Iron pipes, from which water is supplied, are coated with zinc (Zn) to prevent rusting. This layering process is called?

1799 0

  • 1
    Annealing
    Correct
    Wrong
  • 2
    Vulcanization
    Correct
    Wrong
  • 3
    Yashad coating
    Correct
    Wrong
  • 4
    none of these
    Correct
    Wrong
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Answer : 3. "Yashad coating"

Q:

Hypo which is used in photography, chemically called?

1793 0

  • 1
    Silver Bromide
    Correct
    Wrong
  • 2
    sodium thio sulfate
    Correct
    Wrong
  • 3
    sodium phosphate
    Correct
    Wrong
  • 4
    sodium nitrate
    Correct
    Wrong
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Answer : 2. "sodium thio sulfate"

Q:

Which of the following nutrients do NOT provide energy for animals?

1791 0

  • 1
    Fats
    Correct
    Wrong
  • 2
    Carbohydrates
    Correct
    Wrong
  • 3
    Vitamins
    Correct
    Wrong
  • 4
    Proteins
    Correct
    Wrong
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Answer : 3. "Vitamins "
Explanation :

Vitamins do not provide energy as they are not stored in our bodies.

Q:

His melting point increasing the pressure on ice?

1780 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"

Q:

What is Fathom?

1779 1

  • 1
    is a fish
    Correct
    Wrong
  • 2
    Name of a plant is
    Correct
    Wrong
  • 3
    A vessel is called
    Correct
    Wrong
  • 4
    is a measure
    Correct
    Wrong
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Answer : 4. "is a measure"

Q:

Where the Bio-chemical compounds are used? 

1778 0

  • 1
    Food preservatives
    Correct
    Wrong
  • 2
    Skin Treatments
    Correct
    Wrong
  • 3
    Cooking Oils
    Correct
    Wrong
  • 4
    All of the above
    Correct
    Wrong
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Answer : 4. "All of the above "

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