Human Health and Disease · Question 21

Given below are two statements: In the light of the above statements, choose the most appropriate answer from the options given below :

1. Both Statement I and Statement II are correct
2. Both Statement I and Statement II are incorrect
3. Statement I is correct but Statement II is incorrect
4. Statement I is incorrect but Statement II is correct

Select the incorrect statement with respect to acquired immunity.

1. Primary response is produced when our body encounters a pathogen for the first time.
2. Anamnestic response is elicited on subsequent encounters with the same pathogen.
3. Anamnestic response is due to memory of first encounter.
4. Acquired immunity is non-specific type of defense present at the time of birth.

Which of the following reasons is mainly responsible for graft rejection in transplantation of organs?

1. Cell-mediated response
2. Inability of recipient to differentiate between ‘self’ and ‘non-self’ tissues/cells
3. Humoral immune response only
4. Auto-immune response

Match List-I with List-II : Choose the correct answer from the options given below :

1. (a)-(iii), (b)-(i), (c)-(ii), (d)-(iv)
2. (a)-(ii), (b)-(iii), (c)-(iv), (d)-(i)
3. (a)-(ii), (b)-(iii), (c)-(i), (d)-(iv)
4. (a)-(iii), (b)-(iv), (c)-(ii), (d)-(i)

Match List-I with List-II Choose the correct answer from the options given below

1. (a)-(ii), (b)-(iii), (c)-(i), (d)-(iv)
2. (a)-(iv), (b)-(i), (c)-(iii), (d)-(ii)
3. (a)-(iii), (b)-(iv), (c)-(i), (d)-(ii)
4. (a)-(i), (b)-(ii), (c)-(iv), (d)-(iii)

Match the following diseases with the causative organism and select the correct option

1. (a)-(iv), (b)-(i), (c)-(ii), (d)-(iii)
2. (a)-(iii), (b)-(iv), (c)-(i), (d)-(ii)
3. (a)-(i), (b)-(iii), (c)-(ii), (d)-(iv)
4. (a)-(ii), (b)-(i), (c)-(iii), (d)-(iv)

The infectious stage of Plasmodium that enters the human body is

1. Trophozoites
2. Sporozoites
3. Male gametocytes
4. Female gametocytes

Identify the wrong statement with reference to immunity

1. Active immunity is quick and gives full response.
2. When exposed to antigen (living or dead) antibodies are produced in the host's body. It is called “Active immunity”.
3. Foetus receives some antibodies from mother, it is an example for passive immunity.
4. When ready-made antibodies are directly given, it is called “Passive immunity”

Identify the correct pair representing the causative agent of typhoid fever and the confirmatory test for typhoid.

1. Salmonella typhi/ Anthrone test
2. Salmonella typhi/ Widal test
3. Plasmodium vivax/ UTI test
4. Streptococcus pneumoniae/ Widal test

Colostrum, the yellowish fluid, secreted by mother during the initial days of lactation is very essential to impart immunity to the newborn infants because it contains :

1. Macrophages
2. Immunoglobulin A
3. Natural killer cells
4. Monocytes