Which human worm infestation are we talking about?

I. In socio-economic impact on the human race, it is second only to Malaria.

II. The worm larva enters the human body by penetrating the skin

III. The worm requires snails as an intermediate host.

IV. In developing countries, it is a common cause of anaemia in children.

1. Elephantiasis

2. Bilharziasis

3. Cysticercosis

4. Plague

Malignant tertain malaria is caused by Plasmodium :
1. Vivax
2. ovale
3. malariae
4. falciparum

The pathogens responsible for causing elephantiasis are transmitted to a healthy person through:
1. Droplet
2. Female mosquito vector 
3. Contaminated food and water 
4. Sexual contact 

Interferons are secreted by:
1. Liver
2. Spleen
3. Virus infected cells
4. Lymphocytes

The type of immunity responsible for graft rejection by a recipient body is 
1. Innate immunity 
2. Humoral immunity 
3. Cell mediated immunity 
4. Either 2 or 3 

Which of the following is used in the production of the recombinant Hepatitis B vaccine?
1. Yeast
2. Microsporum
3. E coli
4. Streptococcus

The class of antibodies involved in the allergic reaction is:
1. Ig A
2. Ig D
3. Ig E
4. Ig G

The immune-deficiency becomes marked once the HIV starts destroying 
1. Macrophages
2. T helper cells
3. B lymphocytes
4. Natural killer cells 

The cells of the malignant tumors exhibit 
1. Metastasis 
2. Contact inhibition 
3. High differentiation 
4. Slow proliferation 

The receptors for opioids are found in :
1. GIT and CNS
2. CNS and CVS
3. CVS and GIT
4. GIT and Urinary system