Select the correct match regarding adaptive radiation of Australian marsupials corresponding to placental mammals
1. Numbat-Flying Squirrel
2. Tasmanian Wolf - Bobcat
3. Marsupial mouse- Mole
4. Spotted Cuscus - Lemur
| 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. |
Genetic Drift occurs due to :
1. Natural selection
2. Sudden population migration
3. Continuous gene migration
4. Mutation
| 1. | Flippers of penguins and dolphins are a pair of homologous organs. |
| 2. | Analogous structures are a result of convergent evolution. |
| 3. | Sweet potato and potato is an example of analogy. |
| 4. | Homology indicates common ancestry. |
| 1. | Lemur, Anteater, Wolf |
| 2. | Tasmanian wolf, Bobcat, Marsupial mole |
| 3. | Numbat, Spotted cuscus, Flying phalanger |
| 4. | Mole, Flying squirrel, Tasmanian tiger cat |
| 1. | Homo erectus | 2. | Neanderthal man |
| 3. | Homo habilis | 4. | Australopithecus |
Match List-I with List-II:
| List-I | List-II | ||
| (a) | Adaptive radiation | (i) | Selection of resistant varieties due to excessive use of herbicides and pesticides |
| (b) | Convergent evolution | (ii) | Bones of forelimbs in Man and Whale |
| (c) | Divergent evolution | (iii) | Wings of Butterfly and Bird |
| (d) | Evolution by anthropogenic action | (iv) | Darwin Finches |
Choose the correct answer from the options given below:
| (a) | (b) | (c) | (d) | |
| 1. | (ii) | (i) | (iv) | (iii) |
| 2. | (i) | (iv) | (iii) | (ii) |
| 3. | (iv) | (iii) | (ii) | (i) |
| 4. | (iii) | (ii) | (i) | (iv) |
The factor that leads to Founder effect in a population is:
1. Mutation
2. Genetic drift
3. Natural selection
4. Genetic recombination