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Immunology — MCQs Biology

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1. Which cells are primarily responsible for antibody production?





2. The immunity present at birth is called:





3. Which immunoglobulin is most abundant in blood plasma?





4. The maturation of T-cells occurs in the:





5. Antigens are substances that:





6. Which immunoglobulin is present in breast milk?





7. Which cells act as antigen-presenting cells?





8. Immunological memory is associated with:





9. Which type of immunity is acquired through vaccination?





10. The first antibody produced in primary immune response is:





11. Which organ filters blood and traps antigens?





12. Which cells are involved in cell-mediated immunity?





13. The basic unit of antibody structure is:





14. Which immunoglobulin is involved in allergic reactions?





15. Complement system helps in:





16. Which cells destroy virus-infected cells?





17. The process by which pathogens are engulfed is called:





18. Which immunoglobulin can cross the placenta?





19. Memory cells are formed during:





20. Which cells release histamine?





21. Which organ produces all blood cells?





22. Which antibody is pentameric in structure?





23. Active immunity is characterized by:





24. Which cells are first responders during inflammation?





25. Vaccines usually contain:





26. Which immunity is transferred from mother to fetus?





27. Major histocompatibility complex (MHC) is involved in:





28. Which cells differentiate into plasma cells?





29. Which antibody is mainly present on mucosal surfaces?





30. The chemical mediators of inflammation include:





31. Which cells lack a nucleus in humans?





32. The specificity of antibodies is due to:





33. Which immunity does not involve antibodies?





34. Which cells are known as natural killer cells?





35. The swelling and redness in inflammation are due to:





36. Which immunoglobulin is least abundant in serum?





37. Which cells engulf bacteria and debris?





38. The secondary immune response is:





39. Which lymphoid organ lacks afferent lymph vessels?





40. Which antibody is found on the surface of B-cells?





41. Which immunity is short-lived?





42. Which cells are involved in allergic reactions?





43. Antibody-producing cells are also called:





44. Which molecule binds antigen on T-cells?





45. Which type of immunity develops after infection?





46. Which white blood cells are agranulocytes?





47. The complement system belongs to:





48. Which immunoglobulin exists as a dimer?





49. Which cells coordinate immune responses?





50. Which term refers to resistance against disease?





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