StudentAidUnit 3: Human Blood Circulatory System — Mcqs
10th Class Biology · Unit 3: Human Blood Circulatory System
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1.Which component of blood is mainly responsible for carrying oxygen?
2.A person with low platelet count is likely to face difficulty in:
3.Which of the following layer is found in all blood vessels?
4.Which of the following contains deoxygenated blood in an adult human?
5.When fibrinogen makes blood clot it separates from blood and the rest is:
6.Which heart chamber has the thickest walls?
7.The exchange of materials between the blood and tissues occurs in:
8.All veins carry deoxygenated blood except the:
9.Myocardial infarction is due to blockage of blood flow in:
10.If the bicuspid valve is damaged, which flow of blood will be affected?
Blood and Its Components
11.Blood components that help the body to control bleeding are:
12.The percentage of water in the plasma is:
13.The percentage of the plasma protein in the blood is:
- a 4-5%
- b 5-6%
- c 7-85
- d 7-9%
14.Which of the following is not the function of blood?
Cell Types Found in Blood
15.Which of the following is not a leukocyte?
16.Which of the following is a type of leukocyte?
17.Which of these are responsible for blood clotting?
18.Average life span of red blood cell is:
19.The cells which form platelets are:
20.The component that is not cellular part of the blood is:
21.The average life span of blood platelets is:
22.The component of blood responsible for the transport of oxygenated blood is:
23.The type of WBC that kills germs by producing antibodies is:
Human Heart
24.The heart's upper chambers are called:
25.Bicuspid valve connects:
26.Which of the following chambers has the thickest walls in human heart?
27.The left half of the human heart:
28.Which one of the following is a double membrane sac that covers the human heart?
29.The valve in the opening between the right atrium and the right ventricle is called:
30.Human heart is:
31.The diagram shows blood flow through a human heart. Which chamber receives blood from the lungs?
- a A
- b B
- c C
- d D
32.The diagram shows four stages of heart beat: Which is the correct order for the stages after stage P?
- a Q → R → S
- b R → Q → S
- c R → S → Q
- d S → R → Q
33.Which of the following contains deoxygenated blood in an adult human?
34.The valve present between right atrium and right ventricle is called:
35.Which of following chambers supply blood to whole human body?
36.The valve between left atrium and left ventricle is:
37.The left half of the human heart:
Blood Vessels
38.The diagram shows sections through two types of blood vessel. Which vessel has valves present and which carries blood under high pressure?
39.The blood vessels which are elastic in nature:
40.Valves to prevent the backflow of blood are found in:
Arterial & Venous System
41.The pulmonary arteries carry blood to the:
42.Which is the largest artery in the human body?
43.Which of the following blood vessel has oxygenated blood?
44.All arteries carry oxygenated blood except the one artery called:
Cardiovascular Disorders
45.The death of the heart tissue is called:
46.Which of the following condition is helpful in the prevention of heart attack?
47.Myocardial infarction is due to blockage of blood of blood flow in:
48.Which one of the following is atherosclerosis?