O Level Courses

IGCSE O Level Biology Practice Tests

IGCSE O Level Biology Online Tests

Mode of action of heart Multiple Choice Questions (MCQ) PDF Download

The Mode of action of heart Multiple Choice Questions (MCQ Quiz) with Answers PDF, Mode of action of heart MCQ PDF e-Book download to practice IGCSE O Level Biology Tests. Study Transport in Mammals Multiple Choice Questions and Answers (MCQs), Mode of action of heart quiz answers PDF to learn online certification courses. The Mode of action of heart MCQ App: Free download learning app for organ transplantion and rejection, free online biology, blood and plasma, circulatory system test prep for two year degree programs.

The MCQ: In cardiac system, systole means; "Mode of action of heart MCQs" App Download (Free) with answers: A "lub" sound; Ventricular relaxation; Closure of semilunar valves; A "dub" sound; to learn online certification courses. Practice Mode of action of heart Quiz Questions, download Apple eBook (Free Sample) for online colleges for teaching.

Mode of action of heart MCQs: Questions and Answers PDF Download

MCQ 1:

The "lub" sound is produced after the

  1. ventricles are fully contracted
  2. ventricles start to relax
  3. bicuspid and tricuspid valves suddenly close
  4. semilunar valves are closed
MCQ 2:

In the cardiac system, systole means

  1. a "lub" sound
  2. ventricular relaxation
  3. closure of semilunar valves
  4. a "dub" sound
MCQ 3:

Left atrium receives blood from the

  1. pulmonary veins
  2. two vena cava
  3. right ventricle
  4. left ventricle
MCQ 4:

Diastole in cardiac system means

  1. "lub" sound
  2. ventricular contraction
  3. ventricular relaxation
  4. "dub" sound
MCQ 5:

Average normal heart beat of an adult is

  1. depends on exact age
  2. depends on gender of adult
  3. depends on the weight of adult
  4. is approx. 72 times per minute

IGCSE O Level Biology Practice Tests

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Mode of action of heart App (Android & iOS)

Mode of action of heart App (Android & iOS)

O Level Biology App (Android & iOS)

O Level Biology App (iOS & Android)

Cell Biology App (Android & iOS)

Cell Biology App (Android & iOS)

10th Grade Biology App (Android & iOS)

10th Grade Biology App (iOS & Android)