IGCSE O Level Biology MCQs (O Level) From Textbook

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IGCSE O Level Biology Entrance Exam MCQs – Mock Test 349

Circulatory system Quiz with Answers PDF Download – Test 349

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The Circulatory system Quiz Questions and Answers PDF (Circulatory system Quiz with Answers PDF e-Book) download Ch. 17-349 to learn IGCSE O Level Biology Practice Tests. Solve Transport in Mammals MCQ with answers PDF, Circulatory system Multiple Choice Questions (MCQ Quiz) for SAT test. Download IGCSE O Level Biology Quiz App: Free Circulatory system App to learn circulatory system, structure of cell: nucleus, photosynthesis: o level biology, mode of action of heart test prep for online college classes.

The Quiz: Semilunar valves are found in; "Circulatory system" App Download [Free] with answers: arteries, aorta, pulmonary artery, and veins for SAT test. Learn Transport in Mammals Questions and Answers, Apple iBook to download free chapter to study online courses.

Circulatory system Quiz – Mock Test 349 PDF Download

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

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