Page 1 - HA

SAI International School
Subject- Biology, Class-VII
Topic- Transportation and Excretion
Subtopic- Transportation of substances in organisms
Module- 17
Home Assignment

Objective (MCQs)
Q.1 Which of the following blood cells transport oxygen?
(a) RBCs
(b) WBCs
(c) Platelets
(d) None of these

Q.2 Which of the following blood cells help to fight diseases?
(a) RBCs
(b) WBCs
(c) Platelets
(d) None of these

Q.3 __________ is a disease in which the blood loses its ability to clot.
(a) Sickle cell anaemia
(b) Haemophilia
(c) Goitre
(d) Thalassemia

Q.4 What is the role of blood?
(a) It transports waste products to the kidneys for their removal.
(b) It transports oxygen to the different cells of body.
(c) It carries carbon dioxide from the cells of the body to the lungs.
(d) all of the above

Q.5 The role platelets is -
(a) to fight against infections.
(b) to clot blood
(c) to transport oxygen to different body parts.
(d) None of the above

Q6 Which of the following is not a part of the circulatory system?
(a) Heart
(b) Lungs
(c) Blood
(d) Blood vessels