Human Transport System Multiple Choice Questions 4 PDF Download

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MCQs on Human Transport System Quiz PDF Download Worksheets 4

MCQ. Task of white blood cells is to

  1. defend a body from disease
  2. transport oxygen
  3. heal wounds
  4. refresh heart


MCQ. Yellow pus in wound is actually

  1. red blood cells
  2. plasma
  3. platelets
  4. infected white blood cells


MCQ. Deoxygenated blood is pumped to

  1. arteries
  2. lungs from heart
  3. heart from lungs
  4. veins


MCQ. Life span of red blood cells is about

  1. 100 days
  2. 200 days
  3. 300 days
  4. 400 days


MCQ. If bacteria are taken over by white blood cells, their life span

  1. decreases
  2. increases
  3. remains same
  4. may increase or decrease