Biology Practice Question and Answer

Q:

Nails consist of modified ________ cells

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  • 1
    Epithelial
    Correct
    Wrong
  • 2
    Epidermal
    Correct
    Wrong
  • 3
    Hypodermal
    Correct
    Wrong
  • 4
    Dermal
    Correct
    Wrong
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Answer : 2. "Epidermal"

Q:

In human beings, the small intestine is coiled and is about ______ metres long. 

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  • 1
    1 to 1.5
    Correct
    Wrong
  • 2
    3 to 3.5
    Correct
    Wrong
  • 3
    2 to 2.5
    Correct
    Wrong
  • 4
    7 to 7.5
    Correct
    Wrong
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Answer : 4. "7 to 7.5"

Q:

The term 'mitochondria' was coined by:

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  • 1
    Carl Benda
    Correct
    Wrong
  • 2
    J E Salk
    Correct
    Wrong
  • 3
    Antonie van Leeuwenhoek
    Correct
    Wrong
  • 4
    Charles Laveran
    Correct
    Wrong
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Answer : 1. "Carl Benda"

Q:

Which of the following is not true about Angiosperms?

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  • 1
    Spores are heterospories
    Correct
    Wrong
  • 2
    Seeds are covered
    Correct
    Wrong
  • 3
    Dominant phase is gametophytes
    Correct
    Wrong
  • 4
    Vascular bundles are present
    Correct
    Wrong
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Answer : 3. "Dominant phase is gametophytes"

Q:

What is the effect of Oxytocin produced by hypothalamus?

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  • 1
    Stimulates the synthesis and secretion of androgens
    Correct
    Wrong
  • 2
    Stimulates formation of milk in mammary glands
    Correct
    Wrong
  • 3
    Stimulates a vigorous myometrial contraction at the time of childbirth
    Correct
    Wrong
  • 4
    Stimulates synthesis of carbohydrates from non-carbohydrates in liver
    Correct
    Wrong
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Answer : 3. "Stimulates a vigorous myometrial contraction at the time of childbirth"

Q:

Kidney stones are composed of ______. 

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  • 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:

About 70% of the Sun is made up of ____.

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  • 1
    Hydrogen
    Correct
    Wrong
  • 2
    Oxygen
    Correct
    Wrong
  • 3
    Carbon
    Correct
    Wrong
  • 4
    Helium
    Correct
    Wrong
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Answer : 1. "Hydrogen"

Q:

What does our digestive system consist of?

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  • 1
    Alimentary canal and associated glands
    Correct
    Wrong
  • 2
    Digestive glands only
    Correct
    Wrong
  • 3
    Digestive glands only
    Correct
    Wrong
  • 4
    Mucous glands
    Correct
    Wrong
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Answer : 1. "Alimentary canal and associated glands"

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