Question

Identify the wrong statement with reference to immunity?

• A. Active immunity is quick and gives full response
• B. Foetus receives some antibodies from mother, it is an example for passive immunity
• C. When exposed to antigen (living or dead) antibodies are produced in the host’s body. It is called “Active immunity”
• D. When ready made antibodies are directly given , it is called “Passive immunity”.

Answer 1

The correct option is A

Active immunity is quick and gives full response

The correct option is A:

Explanation of the correct option:

1. Immunity refers to the host's total ability to combat disease-causing germs, which are imparted through the immune system.
2. There are two types of immunity:

Active immunity:

1. Antibodies are created in the host body when it is exposed to antigens, which can be living or dead microorganisms or other proteins.
2. Active immunity is the term for this sort of immunity.
3. Active immunity is a slow process that requires time to fully activate.

Passive immunity:

1. Passive immunity occurs when the body receives ready-made antibodies to protect it against outside invaders.
2. During the first days of nursing, the mother secretes a yellowish fluid called colostrum, which contains a lot of antibodies (IgA) to defend the baby. During pregnancy, the fetus obtains some antibodies from its mother via the placenta.
3. These are an example of passive immunity.

Explanation of the incorrect option:

Option B:

1. Passive immunity occurs when the body receives ready-made antibodies to protect it against outside invaders.
2. During the first days of nursing, the mother secretes a yellowish fluid called colostrum, which contains a lot of antibodies (IgA) to defend the baby.
3. During pregnancy, the fetus obtains some antibodies from its mother via the placenta. These are an example of passive immunity.

Option C:

Antibodies are created in the host body when it is exposed to antigens, which can be living or dead microorganisms or other proteins.

Option D:

Passive immunity occurs when the body receives ready-made antibodies to protect it against outside invaders.

Final answer: Active immunity is a slow process that requires time to fully activate is the wrong statement with reference to immunity.