Biology Questions Practice Question and Answer

Q:

What are the mechanisms affecting in polio disease?

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  • 1
    circulatory system
    Correct
    Wrong
  • 2
    emission system
    Correct
    Wrong
  • 3
    nervous system
    Correct
    Wrong
  • 4
    Respiratory system
    Correct
    Wrong
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Answer : 3. "nervous system"

Q:

Night blindness is caused by the deficiency of vitamin _____.

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  • 1
    K
    Correct
    Wrong
  • 2
    A
    Correct
    Wrong
  • 3
    C
    Correct
    Wrong
  • 4
    B12
    Correct
    Wrong
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Answer : 2. "A"

Q:

Who discovered the first vaccine for smallpox?

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  • 1
    Louis Pasteur
    Correct
    Wrong
  • 2
    Edward Jenner
    Correct
    Wrong
  • 3
    Alexander Fleming
    Correct
    Wrong
  • 4
    John Hunter
    Correct
    Wrong
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Answer : 2. "Edward Jenner"

Q:

RBCs do not perform aerobic respiration because these do not contain

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  • 1
    Mitochondria
    Correct
    Wrong
  • 2
    Nucleus
    Correct
    Wrong
  • 3
    Endoplasmic reticulum
    Correct
    Wrong
  • 4
    Lysosomes
    Correct
    Wrong
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Answer : 1. "Mitochondria "

Q:

What percentage of body weight of an adult human is contributed by muscles?

897 0

  • 1
    20-30%
    Correct
    Wrong
  • 2
    10-20%
    Correct
    Wrong
  • 3
    40-50%
    Correct
    Wrong
  • 4
    30-40%
    Correct
    Wrong
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Answer : 3. "40-50%"

Q:

How many teeth in man come out twice?

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  • 1
    4
    Correct
    Wrong
  • 2
    12
    Correct
    Wrong
  • 3
    20
    Correct
    Wrong
  • 4
    28
    Correct
    Wrong
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Answer : 3. "20"

Q:

What is a diphyodont type of dentition?

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  • 1
    Two types of teeth only
    Correct
    Wrong
  • 2
    Two phase of gums and teeth
    Correct
    Wrong
  • 3
    Three types of teeth
    Correct
    Wrong
  • 4
    Two sets of teeth during life
    Correct
    Wrong
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Answer : 4. "Two sets of teeth during life"

Q:

Which organ does detoxification and produces chemicals needed for digestion?

888 0

  • 1
    Thyroid gland
    Correct
    Wrong
  • 2
    Liver
    Correct
    Wrong
  • 3
    Salivary glands
    Correct
    Wrong
  • 4
    Pancreas
    Correct
    Wrong
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Answer : 2. "Liver"

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