| Column-I | Column-II |
| (P) CMI | (i) Virus of AIDS |
| (Q) PMNL | (ii) Mucosal Associated Lymphoid Tissue |
| (R) MALT | (iii) Cell Mediated Immunity |
| (S) HIV | (iv) Leucocytes |
| Column-I | Column-II |
| (P) Malaria | (i) Plasmodium |
| (Q) Ringworm | (ii) Rhino Virus |
| (R) Cold | (iii) Retro Virus |
| (S) AIDS | (iv) Filarial worm |
| (T) Elephantiasis | (v) Microspore |
| Column I | Column II |
| a. Active natural | Injection of gamma globulins immunity |
| b. First line of defence | Complement proteins and defence interferons |
| c. Passive natural | Direct contact with the entered immunity pathogens |
| d. Second line of defence | Surface barriers |
| --- --- | Antibodies transferred through the placenta |