Malignant tertian malaria is caused by Plasmodium:
1. | vivax | 2. | ovale |
3. | falciparum | 4. | malariae |
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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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What is incorrect regarding innate immunity?
1. | It is present at the time of birth |
2. | Physiological barriers prevent microbial growth |
3. | Natural killers, a cellular barrier, are a type of monocyte |
4. | It is a non-specific type of defense |
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Interferons are secreted by:
1. | Single stranded viruses | 2. | Double stranded viruses |
3. | Bacteria infected cells | 4. | Virus infected cells |
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Anamnestic response in acquired immunity is due to the fact that it is:
1. | characterized by memory | 2. | pathogen specific |
3. | huge in magnitude | 4. | due to lymphocytes |
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