Practice Questions(Solved)- Circulatory System, Class 10, Science | EduRev Notes

Science Class 10

Class 10 : Practice Questions(Solved)- Circulatory System, Class 10, Science | EduRev Notes

The document Practice Questions(Solved)- Circulatory System, Class 10, Science | EduRev Notes is a part of the Class 10 Course Science Class 10.
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Questions

1. What is meant by circulatory system ?

2. What are the components of blood circulatory system in humans ?

3. Name the mineral, which helps in formation of RBC's.

4. Give other name for blood platelets.

5. Name the groove, which demarcates two ventricles externally.

6. Name the thickest artery.

7. Name the blood vessel that brings oxygenated blood to the heart chamber.

8. Name the arteries, which supply blood to heart itself.

9. Give other term for bicuspid valve.

10. What is function of valves in circulatory system ?

11. Which chamber of heart receives oxygenated blood ?

12. Which chamber of heart pumps blood ?

13. Name the vein which brings blood to left atrium from lungs.

14. Name the major veins which pour blood into right atrium.

15. What is systole ?

16. What is diastole ?

17. Name the instrument used to measure blood pressure.

18. Name the instrument used to hear heart sounds.

19. What is the range of normal systolic and diastolic blood pressure ?

20. Name the instrument, which is inserted in the heart of the patient whose heart does not work normally ?

21. Define lymph.

22. How does lymph differ from blood ?

23. What are the functions of lymph ?

24. How does lymph form ?

25. Describe double circulation.

 Very short answer type questions :

1. Name the blood-receiving chamber of heart.

2. What makes RBC's red ?

3. What is pulmonary circulation ?

4. Which chamber of heart has thickest wall ?

5. Name the larger veins that pour blood into right auricle.

6. Name the largest artery of our body.

7. Which chamber of heart receives oxygenated blood from lungs ?

8. Name the valve present between the :

(a) left auricle and left ventricle (b) right auricle and right ventricle

9. What is normal blood pressure ?

10. Name the artery that carry deoxygenated blood and the vein that carry oxygenated blood.

11. What is SA node ?

12. Which instrument can record electrical changes during heart beat ?

13. Name the thickest artery.

14. Name the part of the circulatory system that acts as filter for microorganisms.

15. Name the major circulation present in our body.

16. Give the technical term for the white vascular connective tissue.

17. What is the life span of human RBC's ?

18. Why is blood called river of life ?

19. Give the position of human heart ?

20. Why there is no backflow of blood from ventricles to auricles ?

Short answer type questions :

1. What are the components of the transport system in human beings ? What are the functions of these compound ?

2. Why is it necessary to separate oxygenated and deoxygenated blood in mammal and birds ?

3. Why is circulation in man known as "double circulation" ?

4. Write three differences between lymph and blood.

5. Why is heart beat rate equal to the arterial pulse rate ?

6. Is human circulatory system open or closed ? Why ?

7. In which direction does O2 diffuse between a capillary and a cell ? Why does it diffuse in that direction?

8. What is the primary function of RBC's ?

9. Predict the effect on the heart if blood flow through the coronary artery is restricted or completely blocked.

10. Write two advantages of a closed circulatory system.

11. Point out three differences between artery and vein.

12. Why is SA node also called pacemaker ?

14. What is lymph ? What is its function in human body ?

15. Which part of the human heart is considered as pacemaker ? Why is it so called ?

16. What is the role of blood pressure in circulation ?

17. Give the difference between plasma and lymph.

18. What is the difference between plasma and serum ?

19. Give the difference between pulmonary artery and pulmonary vain.

20. Which blood cell in human blood carries haemoglobin ? What is its average life span ?

21. What is blood pressure ? How it is measured ?

22. Differentiate between systolic and diastolic pressure.

23. Give an account on different types of blood vessels.

24. Give the difference between pulmonary circulation and systemic circulation.

ANSWER KEY

Very Short Answer Question : 

1. Right auricle  2. Haemoglobin

3. In this, blood completes its circulation from right ventricle to left auricle through the lungs.

4. Left ventricle  5. Superior and inferior vena cava  6. Aorta

7. Left auricle 8. a. bicuspid value b. tricuspid valve  9.Practice Questions(Solved)- Circulatory System, Class 10, Science | EduRev Notes mm Hg

10. pulmonary artery, pulmonary vein  11. pacemaker of heart

12. Electrocardiograph  13. Aorta  14. Lymph nodes

15. Systemic circulation  16. Lymph 17. 120 days

18. because it transports the materials and help in survival of the organism.

19. In thoracic cavity between the lungs

20. due to presence of auriculo ventricular valves.

Long Answer Type Questions :

1. What would be the consequences of a deficiency of haemoglobin in our bodies ?

2. Explain how oxygenated blood from left ventricle is sent to all parts of the body and how deoxygenated blood enter into the right auricle.

3. Describe the double circulation in human beings with the help of diagrams. Why double circulation is necessary ?

4. Practice Questions(Solved)- Circulatory System, Class 10, Science | EduRev Notes

(a) Name the blood vessels labelled from 1 to 9.

(b) Which of these carry maximum oxyhaemoglobin ?

(c) Which of these contain highest concentration of amino acids and glucose soon after a meal ?

5. How does blood circulate between lungs and heart in human beings ? Give two functions of lymph in human beings.

6. (a) Name the blood vessel that brings oxygenated blood to the human heart.

(b) Which chamber of human heart receives deoxygenated blood ?

(c) Describe how deoxygenated blood from this chamber is sent to all parts of the body.

7. Draw a diagram of the vertical section of human heart to show the internal structure. Label any one of the heart chambers and any other five parts.

8. Name the blood vessel that brings deoxygenated blood to the human heart which chamber of the human heart receives deoxygenated blood ? Describe how deoxygenated blood from this chamber is sent to lungs for oxygenation.

9. Name the constituents of blood. Why are white blood corpuscles called 'Soldiers of the body' ?


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