- 1(current)
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 |
 83%
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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%
From NCERT
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The type of natural selection that operates to eliminate intermediate phenotypes in a population is known as:
| 1. | Directional selection | 2. | Disruptive selection |
| 3. | Stabilizing selection | 4. | Reverse selection |
Subtopic: Â Natural Selection |Â Hardy Weinberg Law |
 70%
From NCERT
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The figure shows a diagrammatic representation of the operation of natural selection on different traits. The types of natural selection as shown by (a), (b) and (c) in the figure are:
| A | B | C | |
| 1. | Stabilising | Directional | Disruptive |
| 2. | Directional | Stabilising | Disruptive |
| 3. | Disruptive | Directional | Stabilising |
| 4. | Stabilising | Disruptive | Directional |
Subtopic: Â Natural Selection |
 88%
From NCERT
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- 1(current)
Q. No.
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