Biology Practice Question and Answer

Q:

Which of the following viruses causes Smallpox? 

1692 0

  • 1
    Rhino Virus
    Correct
    Wrong
  • 2
    Varicella Virus
    Correct
    Wrong
  • 3
    Enter Virus
    Correct
    Wrong
  • 4
    Variola Virus
    Correct
    Wrong
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Answer : 4. "Variola Virus "

Q:

Light blue blood in arthropod animals can be due to

1691 0

  • 1
    Hemocyanin
    Correct
    Wrong
  • 2
    hemoglobin
    Correct
    Wrong
  • 3
    hemin
    Correct
    Wrong
  • 4
    Porphyrins
    Correct
    Wrong
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Answer : 1. "Hemocyanin"

Q:

BCG vaccine is given?

1683 1

  • 1
    To protect polio
    Correct
    Wrong
  • 2
    To prevent tuberculosis
    Correct
    Wrong
  • 3
    for both
    Correct
    Wrong
  • 4
    To prevent malaria
    Correct
    Wrong
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Answer : 2. "To prevent tuberculosis"

Q:

Which category of compound is the most concentrated energy source?

1676 0

  • 1
    Vitamins
    Correct
    Wrong
  • 2
    Starch
    Correct
    Wrong
  • 3
    Proteins
    Correct
    Wrong
  • 4
    Fats
    Correct
    Wrong
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Answer : 4. "Fats"

Q:

The size of the pupil of the eye is controlled by the ______.

1673 0

  • 1
    blind spot
    Correct
    Wrong
  • 2
    retina
    Correct
    Wrong
  • 3
    cornea
    Correct
    Wrong
  • 4
    iris
    Correct
    Wrong
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Answer : 4. "iris"
Explanation :

1. The iris controls the amount of light entering the eye.

2. Iris is the colored part of the eye, which provides pigment to the eyes.

3. It is attached to the ciliary muscle, which contracts and expands to accommodate the required amount of light.

Q:

Which of the following diseases is usually spread with milk?

1669 0

  • 1
    Plague
    Correct
    Wrong
  • 2
    Polio
    Correct
    Wrong
  • 3
    Atanjwar
    Correct
    Wrong
  • 4
    Rohini
    Correct
    Wrong
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Answer : 3. "Atanjwar"

Q:

The age of trees is determined by its – 

1665 0

  • 1
    Growth Rings
    Correct
    Wrong
  • 2
    General Appearance
    Correct
    Wrong
  • 3
    Girth
    Correct
    Wrong
  • 4
    Height
    Correct
    Wrong
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Answer : 1. "Growth Rings "

Q:

Which of the following mammalian organisms is not a common source of fibre?

1653 0

  • 1
    zebra
    Correct
    Wrong
  • 2
    Embers Goat
    Correct
    Wrong
  • 3
    Llama
    Correct
    Wrong
  • 4
    Alpaca
    Correct
    Wrong
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Answer : 1. "zebra"
Explanation :

Mammals are a common source of fibre.

1. Embers Goat

3. Llama

4. Alpaca

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