Respiration and Circulation Multiple Choice Questions Test 6 pdf Download

Practice science quiz 6 on respiration and circulation MCQs, grade 8 respiration and breathing multiple choice questions. Free respiration and breathing guide has science worksheet with answering options alveoli, trachea, nostril and bronchi of multiple choice questions (MCQ) with respiration and breathing quiz as small air sacs which are present at end are called for exam prep. Study to learn respiration and breathing quiz to attempt multiple choice questions based test.

MCQs on Respiration and Circulation - Quiz 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