| Statement I: | Mutations are random and direction less, while Darwinian variations are small and directional. |
| Statement II: | Darwin's finches represent one of the best examples of adaptive radiation. |
| 1. | Both statement I and statement II are correct |
| 2. | Both statement I and statement II are incorrect |
| 3. | Statement I is correct but statement II is incorrect |
| 4. | Statement I is incorrect but statement II is correct |
| List I | List II |
| A. Homologous | I. Convergent evolution |
| B. Paralogous | II. Speciation |
| C. Analogous | III. Gene duplication |
| D. Orthologous | IV. Divergent evolution |
| 1. | homologous organs that have evolved due to divergent evolution |
| 2. | analogous organs that have evolved due to convergent evolution |
| 3. | analogous organs that have evolved due to divergent evolution |
| 4. | homologous organs that have evolved due to convergent evolution |
| 1. | Creation of life from dead and decaying matter |
| 2. | Creation of life from chemicals |
| 3. | Origin of sperm in human testes |
| 4. | Transfer of spores as a unit of life from other planets of Earth |
| 1. | This theory was proposed by Alfred Wallace. |
| 2. | Variations are small directional changes. |
| 3. | Single-step large mutation is a cause of speciation. |
| 4. | Large differences due to mutations arise gradually in a population. |
| Column I | Column II | ||
| (a) | Louis Pasteur | (i) | Chemical evolution theory |
| (b) | Early Greek thinkers | (ii) | Inheritance of acquired characters |
| (c) | Oparin and Haldane | (iii) | Disapproved spontaneous generation theory |
| (d) | Lamarck | (iv) | Cosmozoic theory |
| Options: | (a) | (b) | (c) | (d) |
| 1. | (iii) | (iv) | (i) | (ii) |
| 2. | (iv) | (iii) | (ii) | (i) |
| 3. | (ii) | (i) | (iii) | (iv) |
| 4. | (i) | (ii) | (iii) | (iv) |
| Assertion (A): | Adaptive ability is inherited. |
| Reason (R): | Individuals having heritable and useful variations reproduce better and leave more progeny. |
| 1. | Both (A) and (R) are true and (R) is the correct explanation of (A) |
| 2. | Both (A) and (R) are true but (R) is not the correct explanation of (A) |
| 3. | (A) is true but (R) is false |
| 4. | (A) is false but (R) is true |
| Statement (A): | Change in gene frequency in a small population by chance is known as genetic drift. |
| Statement (B): | When gene migration occurs between A and B population, gene frequencies change in both the populations. |
| 1. | Both statements (A) and (B) are correct |
| 2. | Both statements (A) and (B) are incorrect |
| 3. | Only statement (A) is correct |
| 4. | Only statement (B) is correct |
| (a) | Homo erectus fossil was discovered in Java in 1981. |
| (b) | The Neanderthal man lived in near east and central Africa between 75,000–10,000 years ago. |
| (c) | Australopithecines were probably taller than 4 feet but did not walk upright. |
| (d) | Few fossils of man-like bones have been discovered in Ethiopia and Tanzania. |