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 

CD-4 receptor is associated with

1. AIDS
2. malaria
3 cancer
4. pneumonia

What does 'T' stands for in DPT vaccine?

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.

The binding of antibodies to the antigens to produce a large insolube complex is known as