Biology MCQs with answers Page - 13

Here, you will find a collection of MCQ questions on Biology. Go through these questions to enhance your preparation for upcoming examinations and interviews.

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Q. Haemoglobin is an important component of

  • (A) RBC
  • (B) WBC
  • (C) Platletes
  • (D) Cytoplasm

A

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Q. Hemoglobin, the oxygen carrying substance in red blood cells, is a

  • (A) Nuclei acid
  • (B) Carbohydrates
  • (C) Fats
  • (D) Proteins

A

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Q. What carries blood back to the heart?

  • (A) Veins
  • (B) Arteries
  • (C) Both A & B
  • (D) None

A

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Q. The smallest blood vessels which are one-cell thick, are called ________

  • (A) Vena cava
  • (B) Arteries
  • (C) Veins
  • (D) Capillaries

A

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Q. Name the blood cells in which nucleus is absent.

  • (A) Lymphocytes
  • (B) Blood Platelets
  • (C) Monocytes
  • (D) Eosinophils

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Q. Blood is red in colour due to the presence of ________

  • (A) Cytochrome
  • (B) Chlorophyll
  • (C) Hemocyanin
  • (D) Haemoglobin

A

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Q. Life of red blood cells in the body is

  • (A) 60 days
  • (B) 120 days
  • (C) 365 days
  • (D) 465 days

A

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Q. The upper chambers of the heart are the

  • (A) Ventricles
  • (B) Atria
  • (C) Both A & B
  • (D) None of the above

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