DNA damage leading to neoplastic transformation can be brought about by ionizing radiations like :
1. UV rays 
2. Gamma rays 
3. Infrared waves
4. Radio waves

The skeletal structure shown in the given diagram shows the structure of :

Ringworm in humans can be caused by infection with all the following except:
1. Microsporum
2. Taenia
3. Trichophyton
4. Epidermophyton

Primary lymphatic organs serve as the site for:

1. antibody formation

2. lymph formation

3. lymphocytes to encounter and bind to antigens

4. lymphocyte formation and maturation

The receptors for the drug shown below are located in :

1. CNS and CVS

2. CVS and GIT

3. CNS and GIT

4. CNS and PNS

In higher vertebrates, the immune system can distinguish self-cells and non-self. If this property is lost due to genetic abnormality and it attacks self-cells, then it leads to 
1. graft rejection 
2. auto-immune disease 
3. activate immunity 
4. allergic response 

Widal test is carried out to test 

1. malaria

2. diabetes mellitus 

3. HIV/AIDS

4. typhoid fever

Consider the following four statements(1-4) regarding kidney transplant and select the two correct ones out of these.

The two correct statements are

1. (2) and (3) 
2. (3) and (4)
3. (1) and (3) 
4. (1) and (2)

Increased asthmatic attacks in certain seasons are related to :

1. hot and humid environment 

2. eating fruits preserved in tin containers

3. inhalation of seasonal pollen

4. low temperature

Mast cells secrete:

1. hippurin 

2. myoglobin 

3. histamine 

4. Haemoglobin