Human Health and Disease - Immunity (Innate, Acquired, Active, Passive)

Grade 12 Biology — Human Health and Disease - Immunity (Innate, Acquired, Active, Passive): 25 practice questions with instant scoring and explanations.

1. Immunity is:
2. Innate immunity includes:
3. Physical barriers in innate immunity include:
4. Phagocytes are:
5. Macrophages are:
6. Natural killer cells:
7. Acquired immunity is gained through:
8. Active acquired immunity is produced by:
9. Passive acquired immunity occurs through:
10. T lymphocytes are involved in:
11. B lymphocytes produce:
12. Antibodies are:
13. Memory cells are produced during:
14. The secondary immune response is:
15. Vaccination works by:
16. Types of vaccines include:
17. Herd immunity occurs when:
18. Immunological memory is maintained by:
19. Maternal antibodies provide:
20. Immunological tolerance prevents:
21. Autoimmune disease occurs when:
22. Allergies result from:
23. The complement system:
24. Interferon is produced by:
25. Humoral immunity involves: