Q. No.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
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A common cause of pneumonia in humans is:
| 1. | Streptococcus pyogenes | 2. | Hemophilus influenzae |
| 3. | Staphylococcus aureus | 4. | Rotavirus |
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Chill and high fever recurring in malaria coincide with:
1. Injection of sporozoites into the human blood
2. Multiplication of malarial parasite in the liver cells
3. Release of hemozoin by ruptured RBCs
4. Multiplication of malarial parasites in human RBCs
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The mechanical carrier of the causative agent of amoebic dysentery is:
| 1. | A protozoan | 2. | House fly |
| 3. | Mosquito | 4. | Rodent |
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How can a healthy man get filariasis?
| 1. | Through droplet infection from an affected person |
| 2. | Through contaminated water or food |
| 3. | Through sexual contact with an infected person |
| 4. | Through the bite by the female mosquito vector |
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Which of the following fungus is not a causative organism of ringworm?
| 1. | Trichoderma | 2. | Trichophyton |
| 3. | Microsporum | 4. | Epidermophyton |
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Aedes aegypti is not a vector for:
| 1. | Dengue | 2. | Chikungunya |
| 3. | Japanese encephalitis | 4. | Yellow fever |
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Which of the following is also sometimes called as mosquito fish?
| 1. | Bombay duck | 2. | Gambusia |
| 3. | Pacific salmon | 4. | Pomfret |
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