Class 8 Science Learning App | Respiration and Circulation Notes e-Book PDF

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Respiration and Circulation Notes Questions with Answers PDF Download – Test 8

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Study Respiration and circulation Notes Questions and Answers PDF (Respiration and Circulation Quiz Answers PDF e-Book) download Ch. 9-8 to study Class 8 Science Course. Practice Transport in Human Beings MCQ PDF, Respiration and Circulation Quiz Questions and Answers for science experiment learning tools. Free Class 8 Science Notes App Download: Respiration and Circulation Learning App to transport in human beings, respiration and breathing test prep for science digital tutoring systems.

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Respiration and Circulation MCQs – Practice Test 8 PDF Download

MCQ 36: Blood collects oxygen from inhaled air and gives off carbon dioxide in the:

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

MCQ 37: Respiration which takes place in the absence of oxygen is called:

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

MCQ 38: There is higher concentration of oxygen in:

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

MCQ 39: The distance which is travelled by an average red blood cell is equal to:

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

MCQ 40: Heart is made of specialized:

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

Respiration and Circulation Notes App & e-Book – Class 8 Science Admission Tests

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