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 

Ingestion of food and water contaminated with infective eggs is the primary route of

infection for 

1. Taenia solium

2. Wuchereria bancrofti

3. Trichinella sp.

4. Ascaris lumbricoides

Adults of Wuchereria bancrofti attacks

1. exeretory system

2. nervous system 

3. digestive system

4. lymphatic system.

Antigen binding site in an antibody is found between 

1. two light chains

2. two heavy chains

3. one heavy and one light chain 

4. either between two light chains or between one heavy and one light chain depending

upon the nature of antigen.

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

Which of the following pathogens is not transmitted by vector?
1. Salmonella typhi 
2. Alpha virus 
3. Plasmodium 
4. Wuchereria bancrofti

When plants/animals are infected with virus, they may produce an anti-viral substance that is capable of inhibiting the multiplication of that virus. Identify the correct name of this substance.
1. Virion
2. Antiviron
3. Antigen
4. Interferon