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O Level Biology Practice Test 349

Circulatory system Quiz Questions PDF - 349

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Biology: Circulatory system Quiz PDF Download

MCQ: Semilunar valves are found in

A) aorta
B) arteries
C) veins
D) pulmonary artery

MCQ: Nucleoplasm is found inside

A) hemoglobin
B) nucleus
C) cell membrane
D) nucleoli

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

A) cellulose
B) carbohydrates
C) photolysis of water
D) starch

MCQ: Atria and the ventricles work

A) simultaneously
B) alternately
C) unproportionally
D) proportionally

MCQ: Convection may reduce body temperature through

A) excessive sweating
B) sitting in front of a fan
C) bathing
D) expiration

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