- 1(current)
Q. No.Which of the following was not a conclusion drawn by Charles Darwin based on observations made during a sea voyage in a sailing ship called H.M.S. Beagle around the world?
1. Existing living forms share similarities to varying degrees not only among themselves but also with life forms that existed millions of years ago.
2. There had been extinctions of different life forms in the years gone by just as new forms of life arose at different periods of the history of the earth.
3. There has been a sudden and dramatic evolution of life forms.
4. Those characteristics which enable some to survive better in natural conditions (climate, food, physical factors, etc.) would outbreed others that are less endowed to survive under such natural conditions.
1. Existing living forms share similarities to varying degrees not only among themselves but also with life forms that existed millions of years ago.
2. There had been extinctions of different life forms in the years gone by just as new forms of life arose at different periods of the history of the earth.
3. There has been a sudden and dramatic evolution of life forms.
4. Those characteristics which enable some to survive better in natural conditions (climate, food, physical factors, etc.) would outbreed others that are less endowed to survive under such natural conditions.
Subtopic: Darwin's Theory |
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Consider the two statements:
| 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. |
Subtopic: Darwin's Theory |
88%
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Name the naturalist who worked in the Malay Archipelago and had also come to conclusions similar to Darwin around the same time:
| 1. | Georges Cuvier | 2. | Lyell |
| 3. | Hugo de Vries | 4. | Alfred Russell Wallace |
Subtopic: Other Theories of Origin of Life | Darwin's Theory |
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The given figure shows the adaptive radiation of marsupials of Australia. What is correct regarding adaptive radiation?
I: It is 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).
II: When more than one adaptive radiation appeared to have occurred in an isolated geographical area (representing different habitats), one can call this divergent evolution.
I: It is 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).
II: When more than one adaptive radiation appeared to have occurred in an isolated geographical area (representing different habitats), one can call this divergent evolution.
| 1. | Only I | 2. | Only II |
| 3. | Both I and II | 4. | Neither I nor II |
Subtopic: Darwin's Theory |
74%
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Q. No.
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