Grade 8 English MCQs

Respiration and Circulation Multiple Choice Questions Test 7 Tests pdf Download

Practice science test 7 on respiration and circulation MCQs, grade 8 transport in human beings multiple choice questions and answers. Transport in human beings revision test has science worksheets, answer key with choices as chlorophyll, iron, copper and silver of multiple choice questions (MCQ) with transport in human beings quiz as the composition of red blood cells have specialized protein called for competitive exam prep. 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

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