Grade 8 English MCQs

Respiration and Circulation Multiple Choice Questions Test 3 Tests pdf Download

Practice science test 3 on respiration and circulation MCQs, grade 8 transport in human beings multiple choice questions and answers. Transport in human beings revision test has science worksheets, answer key with choices as veins, arteries, valves and capillaries of multiple choice questions (MCQ) with transport in human beings quiz as the larger blood vessels which carry blood back to heart are for competitive exam prep. Free science study guide to learn transport in human beings quiz to attempt multiple choice questions based test.

MCQs on Respiration and Circulation: Worksheets 3 Quiz pdf Download

MCQ. Larger blood vessels which carry blood back to heart are

  1. arteries
  2. veins
  3. valves
  4. capillaries

B

MCQ. Insects breath through small holes in their body called

  1. lungs
  2. air sacs
  3. stomata
  4. spiracles

D

MCQ. External part of nose through which air enters is called

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

C

MCQ. Air which we breath in is called

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

A

MCQ. Blood is mixture of

  1. red and blood cells
  2. plasma
  3. platelets
  4. all of them

D