(a) | An antitoxin provides active immunity |
(b) | Vaccine against whooping cough is an example of killed bacterial vaccine |
(c) | Hepatitis B vaccine has been produced by recombinant DNA technology |
(d) | Performed antibodies are required to treat the bite of a viper snake |
Assertion (A): | Colostrum is important for the immunity of new-borns as it protects them against infections |
Reason (R): | Colostrum is rich in immunoglobin (IgA) |
1. | Both (A) and (R) are true and (R) is the correct explanation of (A) |
2. | Both (A) and (R) are true and (R) is not the correct explanation of (A) |
3. | (A) is true, (R) is false |
4. | (A) is false, (R) is true |
Statement A: | Injection of dead/inactivated pathogens causes passive immunity. |
Statement B: | Preformed antibodies need to be injected to treat the bite of a viper snake. |