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