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

A) aorta

B) arteries

C) veins

D) pulmonary artery

MCQ 1742: Nucleoplasm is found inside

A) hemoglobin

B) nucleus

C) cell membrane

D) nucleoli

MCQ 1743: Due to chemical energy, water and carbon dioxide are converted into

A) cellulose

B) carbohydrates

C) photolysis of water

D) starch

MCQ 1744: Atria and the ventricles work

A) simultaneously

B) alternately

C) unproportionally

D) proportionally

MCQ 1745: Convection may reduce body temperature through

A) excessive sweating

B) sitting in front of a fan

C) bathing

D) expiration

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