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Q. No.The process of evolution of different species in a given geographical area starting from a point and literally radiating to other areas of geography [habitats] is known as:
| 1. | Convergent evolution | 2. | Divergent evolution |
| 3. | Adaptive radiation | 4. | Artificial selection |
Subtopic: Â Natural Selection |
 82%
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The natural selection operating as shown in the given figure is called as:
| 1. | Disruptive |  |
| 2. | Directional | |
| 3. | Stabilizing | |
| 4. | Retrogressive |
Subtopic: Â Natural Selection |
 81%
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Which of the following types of natural selection reduces variation but does not change the mean value?
| 1. | directional | 2. | stabilizing |
| 3. | disruptive | 4. | all of these |
Subtopic: Â Natural Selection |
 72%
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All the following are examples of analogous organs except:
| 1. | Thorn and tendrils of Bougainvillea and Cucurbita |
| 2. | Sweet potato and Potato |
| 3. | Flippers of Penguins and Dolphins |
| 4. | Eye of the Octopus and of Mammals |
Subtopic: Â Natural Selection |
 88%
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Q. No.
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