Transplantation of tissues/organs fails often due to non-acceptance by the patient's body. Which type of immune-response is responsible for such rejections?
1. | Cell-mediated immune response |
2. | Hormonal immune response |
3. | Physiological immune response |
4. | Autoimmune response |
Which of the following is correct regarding AIDS causative agent HIV?
1. | HIV is an enveloped virus containing one molecule of single-stranded RNA and one molecule of reverse transcriptase |
2. | HIV is an enveloped virus that contains two identical molecules of single-stranded RNA and two molecules of reverse transcriptase |
3. | HIV is an unenveloped retrovirus |
4. | HIV does not escape but attacks the acquired immune response |
MALT constitutes about _______ percent of the lymphoid tissue in the human body.
1. | 20% | 2. | 70% |
3. | 10% | 4. | 50% |
1. | graft rejection | 2. | auto-immune disease |
3. | active immunity | 4. | allergic response |
Which of the following sets of diseases is caused by bacteria?
1. | Cholera and tetanus | 2. | Typhoid and smallpox |
3. | Tetanus and mumps | 4. | Herpes and influenza |
Which part of poppy plant is used to obtain the drug Smack?
1. | Flowers | 2. | Latex |
3. | Roots | 4. | Leaves |
Which of the following statements is not true for cancer cells in relation to mutations?
1. | Mutations destroy telomerase inhibitor |
2. | Mutations inactivate the cell control |
3. | Mutations inhibit production of telomerase |
4. | Mutations in proto-oncogenes accelerate the cell cycle |