The body's defense against diseases is termed as:

1. Hygiene
2. Immunity
3. Health
4. None of these

The slimy secretion of the epithelial lining of the various organs is called:

1. Antiseptic
2. Antibodies
3. Both (i) & (ii)
4. Mucus

Antibody is a blood serum protein produced in response to:

1. Antitoxins
2. Antibiotics
3. Antigens
4. Antiseptics

A biology teacher asked her students to give two examples of antiseptics, which can be used to kill germs.

Prerna said: Boric acid and 40% Formalin.

Shreya said: Benzoic acid and Bordeaux mixture.

Rahul said: Carbolic acid and Boric acid.

Rishi said: Mercurochrome and Benzoic acid.

Who were correct ?

1. Prerna and Shreya
2. Shreya and Rahul
3. Rahul and Rishi
4. Rishi and Prerna