| 1. | 15 mya | 2. | 20 mya |
| 3. | 25 mya | 4. | 30 mya |
| 1. | Homo habilis | 2. | Homo erectus |
| 3. | Homo ergaster | 4. | Homo neanderthelensis |
| 1. | Tanzania; 2 | 2. | Java; 1.5 |
| 3. | Ethiopia; 1.5 | 4. | Australia; 2 |
| 1. | 450 cc | 2. | 700 cc |
| 3. | 900 cc | 4. | 1000 cc |
| 1. | Cranial capacity of around 1400 cc |
| 2. | Lived in East and Central Africa |
| 3. | Used hides to protect their bodies |
| 4. | Buried their dead |
| 1. | Neanderthals lived between 1,50,000 and 1,00,000 years back. |
| 2. | Modern Homo sapiens arose between 75000 and 10000 years ago. |
| 3. | Pre-historic cave art developed around 18000 years ago. |
| 4. | Agriculture came around 10000 years ago |
| 1. | 20 billion years back | 2. | 10 billion years back |
| 3. | 4.5 billion years back | 4. | 3.0 billion years back |
| I: | The first form of life could have come from pre-existing non-living organic molecules (e.g. RNA, protein, etc.) |
| II: | The formation of life was preceded by chemical evolution, i.e., the formation of diverse organic molecules from inorganic constituents. |
| I: | Fitness, according to Darwin, refers ultimately and only to reproductive fitness. |
| II: | Those who are a better fit in an environment, leave more progeny than others. |
| 1. | Both Statement I and Statement II are correct and Statement II explains Statement I. |
| 2. | Statement I is correct and Statement II is incorrect. |
| 3. | Statement I is incorrect and Statement II is correct. |
| 4. | Both Statement I and Statement II are correct but Statement II does not explain Statement I. |
| 1. | Georges Cuvier | 2. | Lyell |
| 3. | Hugo de Vries | 4. | Alfred Russell Wallace |