Biology Questions Practice Question and Answer

Q:

Pregnant women usually become deficient in

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  • 1
    Sodium and Calcium
    Correct
    Wrong
  • 2
    Iron and Sodium
    Correct
    Wrong
  • 3
    Calcium and Iron
    Correct
    Wrong
  • 4
    Magnesium and Iron
    Correct
    Wrong
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Answer : 3. "Calcium and Iron "

Q:

What is synthesized in the Krebs cycle ? 

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  • 1
    lactic acid
    Correct
    Wrong
  • 2
    pyruvic acid
    Correct
    Wrong
  • 3
    glucose and ATP
    Correct
    Wrong
  • 4
    furic acid
    Correct
    Wrong
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Answer : 2. "pyruvic acid "

Q:

Which of the following is essential to form haemoglobin in blood?

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  • 1
    Fats
    Correct
    Wrong
  • 2
    Iron
    Correct
    Wrong
  • 3
    Calcium
    Correct
    Wrong
  • 4
    Protein
    Correct
    Wrong
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Answer : 2. "Iron"
Explanation :

1. Iron is required for the formation of hemoglobin.

2. Hemoglobin is a part of red blood cells that carries oxygen and removes carbon dioxide (a waste product) from the body.

3. Iron is stored in the body mainly in hemoglobin.

Q:

In which part of the female flower does fertilization take place?

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  • 1
    Ovary
    Correct
    Wrong
  • 2
    Stigma
    Correct
    Wrong
  • 3
    Filament
    Correct
    Wrong
  • 4
    Style
    Correct
    Wrong
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Answer : 1. "Ovary"

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:

RNA is a polymeric molecule. What does RNA stand for?

785 0

  • 1
    Rhino Nuclear Acid
    Correct
    Wrong
  • 2
    Resto Nucleus Acid
    Correct
    Wrong
  • 3
    Rado Nuclear Acid
    Correct
    Wrong
  • 4
    Ribo Nucleic Acid
    Correct
    Wrong
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Answer : 4. "Ribo Nucleic Acid"

Q:

Which of the following diseases is caused by insulin deficiency or insulin resistance? 

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  • 1
    Diabetes
    Correct
    Wrong
  • 2
    Flu
    Correct
    Wrong
  • 3
    Cough
    Correct
    Wrong
  • 4
    Beri Beri
    Correct
    Wrong
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Answer : 1. "Diabetes "

Q:

Which of the following is not a major component of the food?

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  • 1
    Carbohydrates
    Correct
    Wrong
  • 2
    proteins
    Correct
    Wrong
  • 3
    Vitamins
    Correct
    Wrong
  • 4
    Fats
    Correct
    Wrong
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Answer : 3. "Vitamins"

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