Biology Practice Question and Answer

Q:

What is the weight of human heart?

1006 0

  • 1
    100 gms
    Correct
    Wrong
  • 2
    1000 gms
    Correct
    Wrong
  • 3
    800 gms
    Correct
    Wrong
  • 4
    300 gms
    Correct
    Wrong
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Answer : 4. "300 gms"

Q:

Biological catalyst is___

866 0

  • 1
    Amino acids
    Correct
    Wrong
  • 2
    C6H12O6
    Correct
    Wrong
  • 3
    N2
    Correct
    Wrong
  • 4
    Enzyme
    Correct
    Wrong
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Answer : 4. "Enzyme"

Q:

What is the pH of blood of a normal person?

763 0

  • 1
    4.5—4.6
    Correct
    Wrong
  • 2
    6.45—6.55
    Correct
    Wrong
  • 3
    7.35—7.45
    Correct
    Wrong
  • 4
    8.25—8.35
    Correct
    Wrong
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Answer : 3. "7.35—7.45"

Q:

The terms gene and genetics were first used-

737 0

  • 1
    Johnson
    Correct
    Wrong
  • 2
    Batson
    Correct
    Wrong
  • 3
    Batson and Johansson
    Correct
    Wrong
  • 4
    Johnson and batson
    Correct
    Wrong
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Answer : 4. "Johnson and batson"

Q:

The set or genes of haploid chromosomes of an organism is called-

783 0

  • 1
    genome
    Correct
    Wrong
  • 2
    Kerotype
    Correct
    Wrong
  • 3
    Chromosome
    Correct
    Wrong
  • 4
    Neither of the above
    Correct
    Wrong
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Answer : 1. "genome"

Q:

The cause of Minamata disease is-

745 0

  • 1
    Mercury
    Correct
    Wrong
  • 2
    Cadmium
    Correct
    Wrong
  • 3
    Glass
    Correct
    Wrong
  • 4
    Zinc
    Correct
    Wrong
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Answer : 1. "Mercury"

Q:

Deficiency of which element causes goitre disease?

930 0

  • 1
    Nitrogen
    Correct
    Wrong
  • 2
    Calcium
    Correct
    Wrong
  • 3
    Iodine
    Correct
    Wrong
  • 4
    Phosphorus
    Correct
    Wrong
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Answer : 3. "Iodine"

Q:

A normal healthy human's heart beats every minute—

811 0

  • 1
    60 times
    Correct
    Wrong
  • 2
    78 times
    Correct
    Wrong
  • 3
    120 times
    Correct
    Wrong
  • 4
    72 times
    Correct
    Wrong
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Answer : 4. "72 times"

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