| 1. | Amoebic dysentery | 2. | Ascariasis | 
| 3. | Typhoid | 4. | Cholera | 
| I: | themselves do not secrete antibodies | 
| II: | help B cells to produce antibodies | 
The first form of milk produced by the mammary glands of humans immediately following delivery of the newborn is rich in:
1. IgA antibodies
2. IgG antibodies
3. IgM antibodies
4. IgE antibodies
| 1. | The B – lymphocyte counts becomes excessive | 
| 2. | The phagocytic cells stop functioning | 
| 3. | The T helper cell count gets very low | 
| 4. | The body starts making a large number of antibodies against HIV | 
Which of the following vaccines has been produced by recombinant DNA technology?
1. Oral polio vaccine
2. Bacillus Calmette–Guérin vaccine
3. DPT vaccine
4. Hepatitis B vaccine
| 1. | A decrease in the size of prostate gland | 
| 2. | depression | 
| 3. | decreased sperm production | 
| 4. | kidney and liver dysfunction | 
Widal test is done for the diagnosis of:
1. Pneumonia
2. Typhoid
3. Syphilis
4. AIDS
| Column I | Column II | ||
| A | Antigen | P | a chemical produced by the human body in response to the presence of a foreign substance | 
| B | Antibody | Q | a foreign substance that causes the human body to produce a special chemical in response to its presence | 
| C | Active immunity | R | immunity acquired as a result of injection of a vaccine containing live micro-organisms | 
| D | Passive immunity | S | immunity acquired as a result of the injection of a vaccine containing antibodies | 
| A | B | C | D | |
| 1. | Q | P | R | S | 
| 2. | Q | P | S | R | 
| 3. | P | Q | R | S | 
| 4. | P | Q | S | R |