Respiration and Circulation Multiple Choice Questions 7 PDF Download

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Science multiple choice questions (MCQ) on composition of red blood cells have specialized protein called with options chlorophyll, iron, copper and silver, transport in human beings quiz for competitive exam prep, viva interview questions with answers key. Free science study guide to learn transport in human beings quiz to attempt multiple choice questions based test.

MCQs on Respiration and Circulation Quiz PDF Download Worksheets 7

MCQ. Composition of red blood cells have specialized protein called

  1. iron
  2. chlorophyll
  3. copper
  4. silver

A

MCQ. Transport system of blood by special organ heart constitutes

  1. circulatory system
  2. respiratory system
  3. digestion system
  4. nervous system

A

MCQ. Life span of red blood cells is

  1. 2 months
  2. 45 days
  3. 4 months
  4. 12 days

C

MCQ. Exhaled air is air which we

  1. breath in
  2. breath out
  3. transport in body
  4. use under water

B

MCQ. Division of windpipe is done in two

  1. bronchioles
  2. alveoli
  3. nostril
  4. bronchi

D