Biology Practice Question and Answer

Q:

Which of the following is not correct regarding oesophagus?

609 0

  • 1
    Thick
    Correct
    Wrong
  • 2
    Long tube
    Correct
    Wrong
  • 3
    Passes through neck
    Correct
    Wrong
  • 4
    Extends Posteriorly
    Correct
    Wrong
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Answer : 1. "Thick "

Q:

Kidney stones are composed of ______. 

602 0

  • 1
    Magnesium Nitrate
    Correct
    Wrong
  • 2
    Calcium Bicarbonate
    Correct
    Wrong
  • 3
    Calcium Oxalate
    Correct
    Wrong
  • 4
    Sodium Chloride
    Correct
    Wrong
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Answer : 3. "Calcium Oxalate"

Q:

Which of these diseases is contagious?

600 0

  • 1
    Malaria
    Correct
    Wrong
  • 2
    Cancer
    Correct
    Wrong
  • 3
    Hypertension
    Correct
    Wrong
  • 4
    Diabetes
    Correct
    Wrong
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Answer : 1. "Malaria"

Q:

To what depth are photosynthetic marine plants found?

594 0

  • 1
    20-30 m
    Correct
    Wrong
  • 2
    180-200 m
    Correct
    Wrong
  • 3
    980-1000 m
    Correct
    Wrong
  • 4
    1800-2000 m
    Correct
    Wrong
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Answer : 1. "20-30 m"

Q:

Deficiency of which of the following vitamins causes excessive bleeding from wounds?

594 0

  • 1
    Vitamin D
    Correct
    Wrong
  • 2
    Vitamin E
    Correct
    Wrong
  • 3
    Vitamin A
    Correct
    Wrong
  • 4
    Vitamin K
    Correct
    Wrong
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Answer : 4. "Vitamin K"
Explanation :

1. Vitamin K deficiency causes excessive bleeding from wounds.

2. If there is deficiency of Vitamin K in your body then you can easily get injury marks on your body or skin.

Q:

Which of the following is a root ? 

594 0

  • 1
    Potato
    Correct
    Wrong
  • 2
    Onion
    Correct
    Wrong
  • 3
    Carrot
    Correct
    Wrong
  • 4
    ginger
    Correct
    Wrong
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Answer : 3. "Carrot "
Explanation :

Yams, beets, parsnips, turnips, rutabagas, carrots, yuca, kohlrabi, onions, garlic, celery root (or celeriac), horseradish, daikon, turmeric, jicama, Jerusalem artichokes, radishes, and ginger are all considered roots. Because root vegetables grow underground, they absorb a great amount of nutrients from the soil.

Q:

Muscles get tired when there is shortfall of ___________.

589 0

  • 1
    Lactic acid
    Correct
    Wrong
  • 2
    Na+ ions
    Correct
    Wrong
  • 3
    ATP
    Correct
    Wrong
  • 4
    Sulphates
    Correct
    Wrong
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Answer : 3. "ATP"

Q:

Which of these animals have external and internal skeleton?

587 0

  • 1
    Cockroach
    Correct
    Wrong
  • 2
    Earthworm
    Correct
    Wrong
  • 3
    Frogs
    Correct
    Wrong
  • 4
    Snake
    Correct
    Wrong
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Answer : 4. "Snake"

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