| 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. | Homology, convergent | 2. | Analogy, divergent |
| 3. | Analogy, convergent | 4. | Homology, divergent |
| 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 |
| 1. | A-III, B-I, C-II, D-IV | 2. | A-I, B-II, C-IV, D-III |
| 3. | A-III, B-I, C-IV, D-II | 4. | A-II, B-I, C-III, D-IV |
| 1. | Fish to Amphibia | 2. | Amphibia to Reptilia |
| 3. | Reptilia to Bird | 4. | Reptilia to Mammal |
| 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 |