Respiration and Circulation Multiple Choice Questions 6 PDF Download

Learn respiration and circulation MCQs, grade 8 science test 6 for online courses learning and test prep, respiration and breathing multiple choice questions and answers. Respiration and breathing revision test includes science worksheets to learn for science help for competitive exams.

Science multiple choice questions (MCQ) on small air sacs which are present at end are called with options alveoli, trachea, nostril and bronchi, respiration and breathing quiz for competitive exam prep, viva interview questions with answers key. Free science study guide to learn 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