| List-I | List-II | ||
| A. | Mesozoic Era | I. | Lower invertebrates |
| B. | Proterozoic Era | II. | Fish & Amphibia |
| C. | Cenozoic Era | III. | Birds & Reptiles |
| D. | Paleozoic Era | IV. | Mammals |
| Genotypes | AA | Aa | aa |
| Frequency | 22% | 62% | 16% |
| 1. | 53% and 47% | 2. | 40% and 60% |
| 3. | 50% and 50% | 4. | 30% and 70% |
| List-I | List-II | ||
| A. | Gene pool | I. | Stable within a generation |
| B. | Genetic drift | II. | Change in gene frequency by chance |
| C. | Genetic flow | III. | Transfer of genes into or out of population |
| D. | Gene frequency | IV. | Total number of genes and their alleles |

| List-I | List-II | ||
| A. | Lemur | I. | Flying phalanger |
| B. | Bobcat | II. | Numbat |
| C. | Anteater | III. | Spotted cuscus |
| D. | Flying squirrels | IV. | Tasmanian tiger cat |
| 1. | A-III,B-IV,C-II,D-I | 2. | A-III,B-II,C-IV,D-I |
| 3. | A-IV,B-III,C-II,D-I | 4. | A-IV,B-II,C-III,D-I |
| List-I | List-II | ||
| A. | Living Fossil | I. | Elongated canine teeth |
| B. | Connecting Link | II. | Vermiform appendix |
| C. | Vestigial Organ | III. | Echidna |
| D. | Atavism | IV. | Latimeria |