| 1. | Homology, convergent | 2. | Analogy, divergent |
| 3. | Analogy, convergent | 4. | Homology, divergent |
| 1. | Homo habilis → Homo erectus → Ramapithecus → Neanderthal → Homo sapiens |
| 2. | Ramapithecus → Homo habilis → Homo erectus → Neanderthal → Homo sapiens |
| 3. | Homo sapiens → Ramapithecus → Homo habilis → Neanderthal → Homo erectus |
| 4. | Neanderthal → Ramapithecus → Homo habilis → Homo erectus → Homo sapiens |
| 1. | Eyes of octopuses and mammals |
| 2. | Fore limbs of whales and bats |
| 3. | Wings of butterflies and birds |
| 4. | Flippers of penguins and dolphins |
| List-I | List-II | ||
| A. | About 65 mya | I. | Jawless fish probably evolved |
| B. | About 500 mya | II. | The dinosaurs suddenly disappeared from the earth |
| C. | About 350 mya | III. | Seaweeds and few plants probably existed |
| D. | About 320 mya | IV. | Invertebrates were formed and became active |
| 1. | Silurian, Devonian, Permian, Carboniferous |
| 2. | Silurian, Devonian, Carboniferous, Permian |
| 3. | Permian, Devonian, Silurian, Carboniferous |
| 4. | Silurian, Carboniferous, Permian, Devonian |
| 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 |
| 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. | 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 |
| Genotypes | AA | Aa | aa |
| Frequency | 22% | 62% | 16% |
| 1. | 53% and 47% | 2. | 40% and 60% |
| 3. | 50% and 50% | 4. | 30% and 70% |