Q. No.The drug called 'Heroin' is synthesized by:
1.
nitration of morphine
2.
methylation of morphine
3.
acetylation of morphine
4.
glycosylation of morphine
Colostrum, the yellowish fluid, secreted by the mother during the initial days of lactation is very essential to impart immunity to newborn infants because it contains:
| 1. | Immunoglobulin A | 2. | Natural killer cells |
| 3. | Monocytes | 4. | Macrophages |
Which of the following immune responses is responsible for the rejection of kidney graft?
1. Cell-mediated immune response
2. Auto-immune response
3. Humoral immune response
4. Inflammatory immune response
Lysozyme that is present in perspiration, saliva, and tears destroys:
| 1. | certain fungi | 2. | certain types of bacteria |
| 3. | all viruses | 4. | most virus-infected cells |
Which one of the following statements is correct?
| 1. | Patients, who have undergone surgery are given cannabinoids to relieve pain |
| 2. | Benign tumours show the property of metastasis |
| 3. | Heroin accelerates body functions |
| 4. | Malignant tumours may exhibit metastasis |
Which one of the following statements is correct with respect to AIDS?
| 1. | HIV can be transmitted through eating food together with an infected person. |
| 2. | Drug addicts are the least susceptible to HIV infection. |
| 3. | AIDS patients are being fully cured cent per cent with proper care and nutrition. |
| 4. | The causative HIV retrovirus enters helper T-lymphocytes thus reducing their numbers. |
Select the correct statement from the ones given below:
| 1. | Barbiturates when given to criminals make them tell the truth |
| 2. | Morphine is often given to persons who have undergone surgery as a painkiller |
| 3. | Chewing tobacco lowers blood pressure and heart rate |
| 4. | Cocaine is given to patients after surgery as it stimulates recovery |
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
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 |
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