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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. Which of these blood groups do not have a surface antigen?
2. Which of these are present in the plasma of a person having ‘O’ blood group?
3. What is serum comprised of?
4. What is the average number of leukocytes per cubic mm of blood?
5. Which of these structures prevent the mixing of fetal blood with mother’s blood?
6. What type of tissue is blood?
7. Which of these are the most abundant in blood?
8. How can erythroblastosis fetalis be avoided?
9. Where are erythrocytes formed in adults?
10. What happens when blood groups are not compatible during blood transfusion?
11. Eosinophils are a type of agranulocyte. True or false?
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 does not happen to the baby during erythroblastosis fetalis?
15. How much hemoglobin is normally present in 100ml of blood?
16. What antibodies are formed when a Rh-negative mother bears a Rh-positive child?
17. What is the network of threads in a coagulum known as?
18. What percentage of plasma is proteins?
19. Which of these are not involved in the coagulation of blood?
20. Which of these cells are phagocytic?
21. What percentage of blood is plasma?
22. Which of these cells are associated with allergic reactions?
23. Which of these activates fibrinogen?
24. Approximately what percentage of people are Rh positive?
25. Where is prothrombin present?

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