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Class 11 Biology Practice Test: Body Fluids and Circulation - Blood
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Class 11 Biology Practice Test: Body Fluids and Circulation - Blood
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25 Questions

1. Approximately what percentage of people are Rh positive?
2. Which of these are present in the plasma of a person having ‘O’ blood group?
3. Where are erythrocytes formed in adults?
4. Which of these is not a major protein of plasma?
5. How much hemoglobin is normally present in 100ml of blood?
6. What happens when blood groups are not compatible during blood transfusion?
7. What percentage of plasma is proteins?
8. Which of these activates fibrinogen?
9. Which of these are the most abundant in blood?
10. What percentage of blood contains the formed elements?
11. Which of these cells are phagocytic?
12. Fibrins trap destroyed formed elements during blood clotting. True or false?
13. Persons having which blood group are known as universal donors?
14. Which of these chemicals is not secreted by basophils?
15. How can erythroblastosis fetalis be avoided?
16. Which of these cells are associated with allergic reactions?
17. Which of these are not involved in the coagulation of blood?
18. Which of these structures prevent the mixing of fetal blood with mother’s blood?
19. What is serum comprised of?
20. What percentage of blood is plasma?
21. What is the average number of leukocytes per cubic mm of blood?
22. What type of tissue is blood?
23. Where is prothrombin present?
24. Which of these does not happen to the baby during erythroblastosis fetalis?
25. What antibodies are formed when a Rh-negative mother bears a Rh-positive child?

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