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IGCSE O Level Biology Certification Exam Tests

IGCSE O Level Biology Practice Test 349

Circulatory system Quiz Questions and Answers PDF - 349

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Circulatory system Questions and Answers PDF Download: Quiz 349

MCQ 1741:

Semilunar valves are found in

  1. aorta
  2. arteries
  3. veins
  4. pulmonary artery
MCQ 1742:

Nucleoplasm is found inside

  1. hemoglobin
  2. nucleus
  3. cell membrane
  4. nucleoli
MCQ 1743:

Due to chemical energy, water and carbon dioxide are converted into

  1. cellulose
  2. carbohydrates
  3. photolysis of water
  4. starch
MCQ 1744:

Atria and the ventricles work

  1. simultaneously
  2. alternately
  3. unproportionally
  4. proportionally
MCQ 1745:

Convection may reduce body temperature through

  1. excessive sweating
  2. sitting in front of a fan
  3. bathing
  4. expiration

IGCSE O Level Biology Exam Prep Tests

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Circulatory system App (Android & iOS)

Circulatory system App (Android & iOS)

O Level Biology App (Android & iOS)

O Level Biology App (iOS & Android)

A level Biology App (Android & iOS)

A level Biology App (Android & iOS)

MCAT Biology App (Android & iOS)

MCAT Biology App (iOS & Android)