Body Fluids and Circulation

Blood Composition Practice Questions

20 free Blood Composition practice questions for the NCERT Biology, each with the correct answer and a detailed explanation. Open any question below, or take the full set as an interactive quiz.

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Questions

All Blood Composition questions

20 questions
  1. Q1. What percentage of blood is constituted by plasma, and what percentage of plasma is composed of water?
  2. Q2. Which plasma protein is primarily responsible for maintaining the osmotic balance of the blood?
  3. Q3. The healthy adult human has an average RBC count of:
  4. Q4. What is the average lifespan of a Red Blood Cell, and where are they primarily destroyed?
  5. Q5. Which of the following describes the shape of a mature human erythrocyte?
  6. Q6. Which type of White Blood Cell (WBC) is the most abundant in human blood?
  7. Q7. Which of the following leucocytes are known for secreting histamine, serotonin, and heparin during inflammatory reactions?
  8. Q8. A person suffering from an allergic reaction or a parasitic infection is likely to show an increase in the count of:
  9. Q9. Identify the phagocytic cells among the following leucocytes:
  10. Q10. B and T forms of cells, responsible for the immune responses of the body, are types of:
  11. Q11. Which blood component is produced from specialized cells in the bone marrow called megakaryocytes?
  12. Q12. What is the normal range of platelets in the blood of a healthy individual?
  13. Q13. Plasma without the clotting factors is called:
  14. Q14. Which of the following is an agranulocyte?
  15. Q15. The total WBC count in a healthy human averages between:
  16. Q16. What is the amount of hemoglobin present in every 100 mL of blood in a healthy individual?
  17. Q17. Globulins present in the blood plasma are primarily involved in:
  18. Q18. Which of the following ions is required for the activation of various clotting factors in the plasma?
  19. Q19. Erythropoiesis (formation of RBCs) in adults occurs in the:
  20. Q20. Which leucocyte has a multi-lobed nucleus and is often referred to as PMNL?