| Column I | Column II | ||
| A. | Dengue and Chikungunya | P | Aedes mosquito |
| B. | Ringworm | Q | Microsporum, Epidermophyton, and Trichophyton |
| C. | Amoebic dysentery | R | Wuchereria bancrofti |
| D. | Filariasis | S | Entamoeba histolytica |
| A | B | C | D | |
| 1. | Q | P | R | S |
| 2. | P | Q | S | R |
| 3. | R | S | Q | P |
| 4. | S | R | P | Q |
| 1. | proteins secreted by virus infected cells |
| 2. | cellular barriers in innate immunity |
| 3. | first line of defence against the entry of pathogen into the body |
| 4. | secreted in saliva and tears and are bactericidal |
| 1. | It is a function of lymphocytes |
| 2. | It retains memory of previous encounters with pathogens |
| 3. | It is non-specific and present since birth |
| 4. | It has the ability to distinguish between self and non-self |
| 1. | giving anti-venom injection to a person with snake bite |
| 2. | passage of IgG class of antibodies through placenta to the foetus and also of IgA class through colostrums |
| 3. | giving vaccine produced in recombinant yeast to prevent Hepatitis B |
| 4. | a person getting infected by a bacterium and developing antibodies against it |
| 1. | sexual contact with infected persons |
| 2. | transfusion of contaminated blood and blood products and sharing infected needles |
| 3. | placenta from the infected mother to her child |
| 4. | mere touch or physical contact |
| 1. | there are 4 heavy and two light chains |
| 2. | the chains are held together with disulphide bonds |
| 3. | an antigen binging site is present between two light chains |
| 4. | the light chains have secondary structures and the heavy chains have tertiary structure |