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Question-1
Which component of blood is responsible for transporting oxygen throughout the body?
(A)
Red blood cells
(B)
White blood cells
(C)
Platelets
(D)
Plasma
Question-2
White blood cells helps in :
(A)
Transporting oxygen throughout the body
(B)
Fight of diseases or other pathogens that invade the body
(C)
Help the blood coagulate, or clot, when necessary
(D)
Allows it to flow freely through the various vessels
Question-3
What is the lymphatic system?
(A)
Circulatory system
(B)
Immune system
(C)
Digestive system
(D)
Respiratory system
Question-4
What part of the blood carries minerals, vitamins, sugar, and other foods to the body's cells?
(A)
Plasma
(B)
Platelets
(C)
Red corpuscles
(D)
White corpuscles
Question-5
The internal pacemaker that sets biological rhythms:
(A)
Is located in the brain
(B)
Is located in the heart
(C)
Is located in the stomach
(D)
Does not function in the absence of light or other environmental cues.
Question-6
Which is the cause of coronary heart disease?
(A)
Fatty material and other substances form a plaque build-up on the walls of the coronary arteries
(B)
Fatty material and other substances form a plaque build-up on the walls of the capillary artery
(C)
Fatty material and other substances form a plaque build-up on the walls of the capillary veins
(D)
Fatty material and other substances form a plaque build-up on the walls of the venules
Question-7
Human blood is composed of how many components?
(A)
1
(B)
2
(C)
3
(D)
4
Question-8
Which element in the blood is round and colorless?
(A)
Plasma
(B)
Platelets
(C)
Red blood cells
(D)
White blood cells
Question-9
What is the function of the blood vessels and capillaries?
(A)
They pump blood to the heart
(B)
They filter impurities from the blood
(C)
They carry blood to all parts of the body
(D)
They carry messages from the brain to the muscles
Question-10
Normal human red cells:
(A)
Are released into the circulation as immature cells called reticulocytes.
(B)
Live for about 10 days
(C)
Rely on mitochondria for their ATP production.
(D)
Are formed by budding off from large precursor cells called megakaryocytes.
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Cambridge Secondary Grade 9
IGCSE
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Sensitivity
Cells the Building Blocks
Genetics
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A Sexual Reproduction and Cloning Plants
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Movement and Locomotion
Growth and Development
Disease: causes, transmission and control
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