Respiration and Circulation Multiple Choice Questions Test 7 pdf Download

Practice science quiz 7 on respiration and circulation MCQs, grade 8 transport in human beings multiple choice questions. Free learning guide has science worksheet with answering options chlorophyll, iron, copper and silver of multiple choice questions (MCQ) with transport in human beings quiz as composition of red blood cells have specialized protein called for exam prep. Study to learn transport in human beings quiz to attempt multiple choice questions based test.

MCQs on Respiration and Circulation - Quiz 7

MCQ. Composition of red blood cells have specialized protein called

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


MCQ. Transport system of blood by special organ heart constitutes

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


MCQ. Life span of red blood cells is

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


MCQ. Exhaled air is air which we

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


MCQ. Division of windpipe is done in two

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