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 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

Which of the following drugs acts by interfering with the transport of the neuro-transmitter Dopamine?
1. Morphine
2. Hashish
3. Cocaine
4. Atropine

Infection with Hemophilus influenza, especially in children, can cause:

1. Diptheria
2. SARS
3. Pneumonia
4. Dysentery

The secretion of antibodies by B lymphocytes provides:
1. Passive immunity 
2. Humoral immunity 
3. cell mediated immunity 
4. Innate immunity 

A normal gene that codes for proteins tha help to regulate cell growth and differentiation and can, due to mutations or increased expression, lead to neoplastic transformation of cells, is called as:
1. Oncogene
2. Proto-oncogene
3. V-onc
4. Psuedogene