Biology Practice Question and Answer

Q:

Which of the following parts of the eye has been 3D printed by scientists in 2018?

955 0

  • 1
    Iris
    Correct
    Wrong
  • 2
    lens
    Correct
    Wrong
  • 3
    Retina
    Correct
    Wrong
  • 4
    cornea
    Correct
    Wrong
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Answer : 4. "cornea"

Q:

What plant breeders should they do to produce an immunogenic species?

947 0

  • 1
    Selection
    Correct
    Wrong
  • 2
    Mutation
    Correct
    Wrong
  • 3
    Crop production
    Correct
    Wrong
  • 4
    Hybridization
    Correct
    Wrong
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Answer : 1. "Selection"

Q:

Heart attack occurs due to :

946 0

  • 1
    Bacterial attack on the heart
    Correct
    Wrong
  • 2
    Stopping of heart beat
    Correct
    Wrong
  • 3
    Lack of blood supply to the heart itself
    Correct
    Wrong
  • 4
    Impairment of heart’s working due to unknown reasons
    Correct
    Wrong
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Answer : 3. "Lack of blood supply to the heart itself"

Q:

What type of diseases are typhoid and TB?

942 0

  • 1
    Viral
    Correct
    Wrong
  • 2
    bacterial
    Correct
    Wrong
  • 3
    Protajoa
    Correct
    Wrong
  • 4
    fungal
    Correct
    Wrong
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Answer : 2. "bacterial"

Q:

The pH scale had been given by

940 1

  • 1
    Sornsen
    Correct
    Wrong
  • 2
    Bronsted
    Correct
    Wrong
  • 3
    Arrhenius
    Correct
    Wrong
  • 4
    Lewis
    Correct
    Wrong
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Answer : 1. "Sornsen"

Q:

Deficiency of which element causes goitre disease?

939 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:

The cause of polio is-

936 0

  • 1
    Bacteria
    Correct
    Wrong
  • 2
    Virus
    Correct
    Wrong
  • 3
    Insects
    Correct
    Wrong
  • 4
    Fungi
    Correct
    Wrong
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Answer : 2. "Virus"

Q:

Whom does the lymph carry?

935 0

  • 1
    Fat
    Correct
    Wrong
  • 2
    Glucose
    Correct
    Wrong
  • 3
    Harmone
    Correct
    Wrong
  • 4
    None of these
    Correct
    Wrong
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Answer : 1. "Fat"

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