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IGCSE A Level Biology Practice Test 51

Tobacco smoke and Lungs Diseases Quiz PDF: Questions and Answers - 51

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Tobacco smoke & Lungs Diseases Questions and Answers PDF Download: Quiz 51

MCQ 251:

The breathing rate in the normal infant is nearly

  1. 20 times/min
  2. 30 times/min
  3. 40 times/min
  4. 50 times/min
MCQ 252:

The layer of the arteries and vessels minimize the friction with the blood is referred to as

  1. tunica intima
  2. tunica externa
  3. tunica media
  4. inner endothelium
MCQ 253:

The mutated gene that causes cancer is particularly termed as

  1. cancer gene
  2. mutated gene
  3. oncogene
  4. polymeric genes
MCQ 254:

The molecular mass of the hemoglobin is

  1. 64000 Daltons
  2. 24000 Daltons
  3. 21000 Daltons
  4. 89000 Daltons
MCQ 255:

Large protein molecules are prevented to get through the

  1. endothelium of the bowman's capsule
  2. basement membrane
  3. epithelial cells
  4. podocytes

IGCSE A Level Biology Exam Prep Tests

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Tobacco smoke & Lungs Diseases App (Android & iOS)

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A level Biology App (Android & iOS)

A level Biology App (iOS & Android)

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MCAT Biology App (Android & iOS)

Molecular Biology App (Android & iOS)

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