Respiration and Circulation Multiple Choice Questions and Answers 6 pdf eBooks Download

Learn respiration and circulation MCQs, grade 8 online science test 6, respiration and breathing multiple choice questions and answers. Respiration and breathing revision test has science worksheets, helping answer key with choices as alveoli, trachea, nostril and bronchi of multiple choice questions (MCQ) with respiration and breathing quiz as the small air sacs which are present at end are called for competitive exam prep, viva interview questions. Free science study guide to practice respiration and breathing quiz to attempt multiple choice questions based test.

MCQs on Respiration and Circulation Quiz pdf Download Worksheets 6

MCQ. Small air sacs which are present at end are called

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

B

MCQ. Number of chambers in a heart is

  1. 2
  2. 3
  3. 4
  4. 1

C

MCQ. A long wind pipe in which air enters when we breath is called

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

A

MCQ. Upper small chambers are called as

  1. atria
  2. ventricle
  3. systole
  4. diastole

A

MCQ. Protein which is red in color and present in blood is called

  1. hemoglobin
  2. red cells
  3. platelets
  4. iron cells

A