Q. No.Philadelphia chromosome is associated with:
1. Retinoblastoma
2. Chronic Myeloid Leukemia
3. Xerodermapigmentosum
4. Kaposi’s sarcoma
1. Retinoblastoma
2. Chronic Myeloid Leukemia
3. Xerodermapigmentosum
4. Kaposi’s sarcoma
Besides helper T cells, what are two other types of cells that HIV infects?
1. macrophages and brain cells
2. B cells and liver cells
3. plasma cells and neutrophils
4. cytotoxic T cells and brain cells
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Identify the correct statement regarding typhoid fever in human beings:
1. It is caused by a pathogenic protozoan Salmonella typhi
2. The pathogen remains confined to the small intestine
3. Widal test can confirm the infection very early in the disease
4. Intestinal perforation and death may occur in severe cases
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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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
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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 |
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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 |
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The active form of Entamaeba-histolytica feeds upon –
1. Mucosa and submucosa of colon only
2. Food in intestine
3. Blood only
4. Erythrocytes; mucosa and submucosa of colon
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Which one of the following organisms is scientifically correctly named, correctly printed according to the International Rules of Nomenclature and is correctly described?
1. Musca domestica - The common house lizard, a reptile
2. Plasmodium falciparum - A protozoan pathogen causing the most serious type of malaria
3. Felis tigris - The Indian tiger, well protected in Gir forests.
4. E.coli - Full name Escherichia coli, a commonly occurring bacterium in human intestine
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Which one of the following depresses brain activity and produces feelings of calmness, relaxation and drowsiness?
1. Valium
2. Morphine
3. Hashish
4. Amphetamines
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