Class 9 Biology MCQs (Grade 9) From Textbook

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Class 9 Biology MCQs – Practice Test 15 (Chapter 9)

Transport Quiz with Answers PDF Download – Test 15

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Transport Quiz – Practice Test 15 PDF Download

MCQ: 71

The production of abnormal and immature white blood cells in the body leads to

  1. lungs cancer
  2. kidney cancer
  3. skin cancer
  4. blood cancer
MCQ: 72

The function of hemoglobin in blood is the transportation of

  1. oxygen only
  2. carbon dioxide only
  3. nitrogen
  4. oxygen and carbon dioxide
MCQ: 73

The number of guard cells of the stoma is

  1. ten
  2. two
  3. four
  4. eight
MCQ: 74

The blood disease which is caused by the occurrence of mutations in hemoglobin genes is

  1. leukemia
  2. bleeding disorders
  3. thalassemia
  4. hepatitis
MCQ: 75

The meaning of myocardium is

  1. skeletal muscle
  2. connective muscle
  3. cardiac muscle
  4. heart muscle

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