The diagram shows the structure of an antibody molecule. Which number shows the antigen binding site?
1. | 1 | 2. | 3 |
3. | 4 | 4. | 5 |
Which of the following diseases is/are correctly matched with their modes of transmission?
Disease/Infection |
Mode of transmission |
|
I. |
Ascariasis |
Contaminated food and water |
II. |
Elephantiasis |
Vector-borne |
III. |
Ringworm |
Direct contact |
Options:
1. | Only I and II | 2. | Only I and III |
3. | Only II and III | 4. | I, II and III |
Cirrhosis of liver is a complication of chronic abuse of:
1. | Alcohol | 2. | Nicotine |
3. | Morphine | 4. | Benzodiazepines |
Cancer is :
1. | a disease caused by DNA viruses |
2. | caused by the multiplicity of virulent infections |
3. | a genetic disease caused by multiple mutational events |
4. | a hazard due to the occupation of an individual |
Consider the given two statements:
I: | Rhinovirus, the most common virus causing common cold has a tendency to affect the upper respiratory tract. |
II: | The mucosa associated lymphoid tissue is not present in the upper respiratory tract. |
1. Both I and II are correct and II explains I
2. Both I and II are correct but II does not explain I
3. I is correct and II is incorrect
4. Both I and II are incorrect
Consider the given two statements:
I: | The acquired immune response is called "adaptive". |
II: | In acquired immunity, pathogen-specific receptors are "acquired" during the lifetime of the organism. |
1. Both I and II are correct and II explains I.
2. Both I and II are correct but II does not explain I.
3. I is correct and II is incorrect.
4. Both I and II are incorrect.
Identify the incorrect statement regarding Entamoeba histolytica:
1. | Cysts of Entamoeba can survive for up to a month in soil or for up to 45 minutes under fingernails. |
2. | Invasion of the intestinal lining results in bloody diarrhea. |
3. | Infection remains confined to the gastrointestinal tract. |
4. | Infections can sometimes last for years if there is no treatment. |
The occurrence of chills and fever in malaria is associated with:
1. | Rupture of hepatocytes during exo-erythrocytic cycle of the parasite |
2. | Inoculation of the sporozoite by the mosquito bite into humans |
3. | Release of haemozoin due to rupture of RBCs by the parasite |
4. | Development of the adult trophozoite in the RBC |
All the following diseases can be caused by a bacterial infection except:
1. | Dysentery | 2. | Diphtheria |
3. | Plague | 4. | African sleeping sickness |
The name Mary Mallon is associated with:
1. | Tuberculosis | 2. | Typhoid |
3. | Leprosy | 4. | Rabies |