Grade 7 English MCQs

Human Transport System Multiple Choice Questions Test 4 Tests pdf Download

Practice science test 4 on human transport system MCQs, grade 7 what are white blood cells multiple choice questions and answers. What are white blood cells revision test has science worksheets, answer key with choices as transport oxygen, defend the body from disease, heal the wounds and refresh the heart of multiple choice questions (MCQ) with what are white blood cells quiz as the task of white blood cells is to for competitive exam prep. Free science study guide to learn what are white blood cells quiz to attempt multiple choice questions based test.

MCQs on Human Transport System: Worksheets 4 Quiz pdf Download

MCQ. Task of White Blood Cells is to

  1. Defend the body from disease
  2. Transport oxygen
  3. Heal the wounds
  4. Refresh the heart

A

MCQ. Yellow pus in wound is actually

  1. Red Blood Cells
  2. Plasma
  3. Platelets
  4. Infected White Blood Cells

D

MCQ. Deoxygenated blood is pumped to

  1. the arteries
  2. lungs from heart
  3. heart from lungs
  4. the veins

B

MCQ. Life span of Red Blood Cells is about

  1. 100 days
  2. 200 days
  3. 300 days
  4. 400 days

A

MCQ. If a white blood cells take over a bacteria in blood, their life span

  1. decreases
  2. increases
  3. remains same
  4. may increase or decrease

A