1. | Anatomical barriers | 2. | Physiological barriers |
3. | Cellular barriers | 4. | Cytokines |
Column I | Column II | ||
a. | A | (i) | Heavy chain of antibody |
b. | B | (ii) | Light chain of antibody |
c. | C | (iii) | Antigen binding site of antibody |
Consider the following two statements:
HB vaccine
A: | is produced from recombinant yeast. |
B: | provides passive immunity against hepatitis B. |
1. Only A is correct.
2. Only B is correct.
3. Both A and B are correct.
4. Both A and B are incorrect.