Q. No.The cell-mediated immunity inside the human body is carried out by:
1. B-lymphocytes
2. Thrombocytes
3. Erythrocytes
4. T-lymphocytes
Which is the particular type of drug that is obtained from the plants whose one flowering branch is shown below?
| 1. | Hallucinogen | 2. | Depressant |
| 3. | Stimulant | 4. | Pain-Killer |
Motile zygote of Plasmodium occurs in:
| 1. | Gut of female Anopheles |
| 2. | Salivary glands of Anopheles |
| 3. | Human RBCs |
| 4. | Human liver |
Common cold differs from pneumonia in, that:
| 1. | Pneumonia is a communicable disease, whereas common cold is a nutritional deficiency disease |
| 2. | Pneumonia can be prevented by a live attenuated bacterial vaccine, whereas the common cold has no effective vaccine |
| 3. | Common cold is caused by a virus, while Pneumonia is caused by a bacterium. |
| 4. | Pneumonia pathogen infects alveoli whereas common cold affects the nose and the respiratory passage but not the lungs |
Which one of the following is not a property of cancerous cells, whereas the remaining three are?
| 1. | They compete with normal cells for vital nutrients |
| 2. | They do not remain confined in the area of formation |
| 3. | They divide in an uncontrolled manner |
| 4. | They show contact inhibition |
In which one of the following options the two examples are correctly matched with their particular type of immunity?
| Examples | Type of immunity |
|
| (a) | Polymorphonuclear leukocytes and monocytes | Cellular barriers |
| (b) | Anti-tetanus and anti-snake bite injection | Active immunity |
| (c) | Saliva in mouth and tears in eyes | Physical barriers |
| (d) | Mucus coating of the epithelium lining the urinogenital tract and HCl in the stomach | Physiological barriers |
2. (b)
3. (c)
4. (d)
Cirrhosis of the liver is caused by the chronic intake of:
1. Opium
2. Alcohol
3. Tobacco (chewing)
4. Cocaine
A certain patient, X, is suspected to be suffering from acquired immune deficiency syndrome. Which diagnostic technique will you recommend for its detection?
| 1. | MRI | 2. | Ultra Sound |
| 3. | WIDAL | 4. | ELISA |
At which stage of HIV infection does one usually shows symptoms of AIDS?
| 1. | When viral DNA is produced by reverse transcriptase. |
| 2. | When HIV replicates rapidly in helper T-lymphocytes and damages a large number of these. |
| 3. | Within 15 days of sexual contact with an infected person. |
| 4. | When the infecting retrovirus enters host cells. |
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