| I: | include spleen and lymph nodes |
| II: | are the organs where immature lymphocytes differentiate into antigen-sensitive lymphocytes. |
| 1. | Only I is correct |
| 2. | Only II is correct |
| 3. | Both I and II are correct |
| 4. | Both I and II are incorrect |
Identify the incorrect statement
| 1. | Acquired immune response is a highly specific immune response |
| 2. | Acquired immune response is due to lymphocytes |
| 3. | Acquired immune system cannot differentiate between self and non-self antigens |
| 4. | Acquired immunity is characterized by development of memory |