Basic GK Practice Question and Answer

Q:

What type of acid is found in curd?

1483 0

  • 1
    lactic acid
    Correct
    Wrong
  • 2
    citric acid
    Correct
    Wrong
  • 3
    Oxalic acid
    Correct
    Wrong
  • 4
    Others
    Correct
    Wrong
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Answer : 1. "lactic acid"

Q:

What is the pH value of sodium hydroxide?

1665 0

  • 1
    11
    Correct
    Wrong
  • 2
    12
    Correct
    Wrong
  • 3
    13
    Correct
    Wrong
  • 4
    14
    Correct
    Wrong
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Answer : 4. "14"

Q:

Herbs- The decomposition of vegetables into compost is an example of which reaction?

1193 0

  • 1
    endothermic
    Correct
    Wrong
  • 2
    exothermic
    Correct
    Wrong
  • 3
    substitution
    Correct
    Wrong
  • 4
    Amphibian
    Correct
    Wrong
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Answer : 2. "exothermic"

Q:

On heating copper powder in air, a layer of copper oxide accumulates on its surface. What is the color of this layer?

1211 0

  • 1
    Black
    Correct
    Wrong
  • 2
    White
    Correct
    Wrong
  • 3
    Yellow
    Correct
    Wrong
  • 4
    Brown
    Correct
    Wrong
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Answer : 1. "Black"

Q:

What type of chemical reaction is combustion of natural gas?

1204 0

  • 1
    combination reaction
    Correct
    Wrong
  • 2
    decomposition reaction
    Correct
    Wrong
  • 3
    exothermic reaction
    Correct
    Wrong
  • 4
    dissolution reaction
    Correct
    Wrong
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Answer : 3. "exothermic reaction"

Q:

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

1408 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"

Q:

Who propounded the term ecology?

2620 0

  • 1
    Charles Darwin
    Correct
    Wrong
  • 2
    Robert Whitaker
    Correct
    Wrong
  • 3
    Arthur Tansley
    Correct
    Wrong
  • 4
    Ernest Hackle
    Correct
    Wrong
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Answer : 4. "Ernest Hackle"

Q:

What is the following statements is incorrect.

1706 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"

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