Name the following:

(a) The drug based on arsenic compound, produced in 1910 which killed germs of syphilis.

(b) The antibiotic that was discovered first.

(c) The category of immunity required in the treatment of snake-bite.

(d) The medicines made by the combination of penicillin and sulpha drugs.

(e) The scientist who discovered the first antibiotic.

Write the full forms of the following abbreviations:

(a) AIDS

(b) BCG

(c) DPT

(d) DDT

(e) WHO

(f) HIV

(g) STD

(h) WBC

(i) TAB

(j) COVID-19

Define the terms:

(a) Immunity

(b) Antibodies

(c) Prophylaxis

(d) Vaccine

(e) Immunisation

Correct the following statements by changing the first/last word only:

(a) Lysol is an antibiotic.

(b) The treatment of diseases by the use of chemical substances is known as allopathy.

(c) RBCs are germ-fighting cells of our body.

(d) Antiseptics are the proteins that belong to the class of immunoglobulins.

(e) BCG vaccines are given to small babies orally.