Respiration and Circulation Multiple Choice Questions and Answers 6 PDF Download

Learn respiration and circulation MCQs, grade 8 science test 6 for online learning courses and test prep. Respiration and breathing multiple choice questions (MCQs), respiration and circulation quiz questions and answers include science worksheets for science help for competitive exams.

Science multiple choice questions (MCQ): small air sacs which are present at end are called with options alveoli, trachea, nostril and bronchi, respiration and breathing quiz with online question bank from science projects and science notes to prepare for final exams. Free science study guide to learn respiration and breathing quiz to attempt multiple choice questions based test.

MCQs on Respiration and Circulation Worksheets 6 Quiz PDF Download

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