Match the following columns and select the correct option :

    Column - I           Column - II

(i) Typhoid              (a) Haemophilus influenzae

(ii) Malaria              (b) Wuchereria bancrofti

(iii) Pneumonia       (c) Plasmodium vivax

(iv) Filariasis           (d) Salmonella typhi

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

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

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

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

The yellowish fluid "colostrum" secreted by mammary glands of the mother during the initial days of lactation has abundant antibodies (IgA) to protect the infant. This type of immunity is called as :

1. Passive immunity

2. Active immunity

3. Acquired immunity

4. Autoimmunity

Identify the molecules (a) and (b) shown below and select the right option giving their source and use. 

(I) 

(II)

Match List-I with List-II

Choose the correct answer from the options given below.

Identify the wrong statement with a reference to immunity.

1. When ready-made antibodies are directly given, it is called “Passive immunity".

2. Active immunity is quick and gives a full response.

3. Foetus receives some antibodies from the mother, it is an example of passive immunity

4. When exposed to antigen(living or dead) antibodies are produced in the host's body. It is called "Active immunity

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

The infectious stage of plasmodium that enters the human body is:

1. Sporozoites

2. Female gametocytes

3. Male gametocytes

4. Trophozoites

Consider the two statements: 

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. Only II is correct.
4. Both I and II are incorrect.

What word correctly denotes an enhanced reaction of the body's immune system to an antigen which is related to one previously encountered?

Interferons are secreted by: