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Class 11 Biology: Body Fluids and Circulation
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MCQs on body fluids and circulation basics, blood, human circulatory system, ECG, double circulation and circulatory system disorders.

Class 11 Biology: Body Fluids and Circulation
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25 Questions

1. What is the diastolic blood pressure?
2. Which of these devices is used to hear the heart sounds?
3. What is the average cardiac output for a healthy individual?
4. What is meant by iso-volumetric systole?
5. Persons having which blood group are known as universal donors?
6. In the joint diastole state, which of these events do not occur?
7. What is the approximate duration of a cardiac cycle?
8. Identify the part of the heart.
Aorta of heart diagram
9. Approximately what percentage of people are Rh positive?
10. Which of these are present in the plasma of a person having 'O' blood group?
11. Which of the following muscles have the longest refractive period?
12. What is the covering of the heart known as?
13. What is the full form of CAD?
14. What is the opening between the right auricle and the right ventricle called?
15. What is the formula for cardiac output?
16. Mitral valve is present between which of the following?
17. Which of these is not a major protein of plasma?
18. What is the average life span of RBCs?
19. What percentage of plasma is proteins?
20. How many action potentials can the SAN generate per minute?
21. What happens when the ventricular pressure decreases?
22. Which of these events do not occur during ventricular systole?
23. What is the average number of leukocytes per cubic mm of blood?
24. The atrium and ventricle are separated by which of the following tissues?
25. What is plasma without clotting factors known as?

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