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O Level Biology Tests

Human Heart MCQ Quiz Online PDF Download

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Biology: Human Heart MCQs PDF Download

MCQ: Common fat to cause heart attack is

A) unsaturated fats
B) cholesterol
C) monounsaturated fat
D) bisaturated fat

MCQ: Due to short distance between the lungs and the heart, the walls of right ventricle are

A) thicker than the left ventricle
B) thinner than the left atrium
C) thicker than the right atrium
D) thinner than the left ventricle

MCQ: Artery leaving from the left ventricle of the heart is

A) pulmonary artery
B) aortic arch
C) inferior vena cava
D) posterior vena cava

MCQ: Oxygen (O2) and food substances are provided to the heart through

A) pulmonary arch
B) aortic arch
C) coronary arteries
D) subclavian artery

MCQ: Blood from various parts of the body is returned to the

A) right ventricle
B) right atrium
C) left ventricle
D) left atrium

Practice Tests: O Level Biology Exam Prep

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