Q. No.Which of the following statements is correct?
A. Common cold - Droplet Infection.
B. Typhoid - Contaminated food & water.
C. AIDS - Shaking hands.
D. Ringworm - Using infected towels.
1. A and B
2. C and D
3. A and C
4. A, B and D
Cytokines that provide non specific immunity against virus are
1. interleukin
2. tumour necrosis
3. colony stimulating
4. interferon
Which one is correct?
1. Salmonella typhi and Haemophilus influenzae cause pneumonia
2. Widal test is done for malaria
3. Entamoeba histolytica causes amoebiasis.
4. Wuchereria causes enterobiasis.
Which of the following is not a character of cancerous cells in our body ?
1. Contact inhibition
2. Neoplasia
3. Metastasis
4. Inability for differentiation
Which one of the following immune system components does not correctly match with its respective role?
| 1. | Interferons - secreted by virus-infected cells and protect non-infected cells from further viral infection |
| 2. | B-lymphocytes-produces antibodies in response to pathogens into blood to fight with them |
| 3. | Macrophages-mucus secreting cells that trap microbes entering in the body |
| 4. | IgA-present in colostrum in early days of lactation and protect infant from diseases |
Which of the following pathogens is not transmitted by vector?
1. Salmonella typhi
2. Alpha virus
3. Plasmodium
4. Wuchereria bancrofti
Sexual stage (gametocytes) of plasmodium occurs in
1. Salivary glands of mosquito
2. Human RBC
3. Intestine of mosquito
4. Human liver
Intermediate host is absent in the infection of
1. Plasmodium
2. Entamoeba
3. Trypanosoma
4. filarial worm.
2. Entamoeba
3. Trypanosoma
4. filarial worm.
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