Respiration and Circulation Multiple Choice Questions and Answers 8 pdf eBooks Download

Learn respiration and circulation MCQs, grade 8 online science test 8, transport in human beings multiple choice questions and answers. Transport in human beings revision test has science worksheets, helping answer key with choices as liver, lungs, kidneys and heart of multiple choice questions (MCQ) with transport in human beings quiz as blood collects oxygen from inhaled air and gives off carbon dioxide in the for competitive exam prep, viva interview questions. Free science study guide to practice transport in human beings quiz to attempt multiple choice questions based test.

MCQs on Respiration and Circulation Quiz pdf Download Worksheets 8

MCQ. Blood collects oxygen from inhaled air and gives off carbon dioxide in the

  1. lungs
  2. liver
  3. kidneys
  4. heart

A

MCQ. Respiration which takes place in absence of oxygen is called

  1. cellular respiration
  2. aerobic respiration
  3. anaerobic respiration
  4. breathing

C

MCQ. There is higher concentration of oxygen in

  1. inhaled air
  2. exhaled air
  3. circulated air
  4. deoxygenated air

A

MCQ. Distance which is travelled by an average red blood cell is equal to

  1. 1500km
  2. 1200km
  3. 2100km
  4. 5100km

A

MCQ. Heart is made of specialized

  1. cardiac muscles
  2. connective tissues
  3. both a and b
  4. skeletal sphincters

C