Question
Differentiate between active immunity and passive immunity.
| Active Immunity | Passive Immunity | ||
| i. | Body prepares antibodies in response to a pathogen or foreign material. | i. | Antibodies are deliberately put into the body by artificial means. |
| ii. | It is slow and takes time to show response. | ii. | It is fast and responds quickly. |
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
| S.No. | Column A | Column B |
| (i) | DNA → DNA | |
| (ii) | DNA → hRNA | |
| (iii) | mRNA → Protein | |
| (iv) | Repressor Protein + Operator → No transcription | |
OR
Convergent evolution leads to analogous structures. Explain with the help of an example.