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SAI International School
Subject- Biology, Class-VII
Topic- Transportation and Excretion
Subtopic- Functioning of the Heart
Module- 20
Home Assignment

Objective (MCQ)

Q1 Name the chamber of heart that receives deoxygenated blood from different body
parts.
(a) Right auricle
(b) Left auricle
(c) Right ventricle
(d) Left ventricle

Q2 Name the chamber of heart that receives oxygenated blood from lungs.
(a) Right auricle
(b) Left auricle
(c) Right ventricle
(d) Left ventricle

Q3 The _______ blood is received by the left side of the heart from lungs and is
pumped to all parts of the body.
(a) Oxygenated blood
(b) Deoxygenated blood
(c) Mixed blood
(d) None of above

Q4 Vein that carries oxygenated blood from lungs to heart is -
(a) Pulmonary artery
(b) Pulmonary vein
(c) Vena cava
(d) Aorta

Q5 In human beings, ______is the main organ of circulatory system that circulates
blood in the body through blood vessels.
(a) Heart
(b) Lungs
(c) Liver
(d) None of the above

Q6 The pulmonary arteries carry -
(a) pure blood
(b) impure blood