Q. No.The naturalist who had the similar observations as that of Darwin was…
| 1. | Alfred Wallace | 2. | Oparin |
| 3. | Haldane | 4. | L. Miller |
Subtopic: Darwin's Theory | Additional Theories of Darwin | Population Genetics | Concept of Organic Evolution: Evidence |
90%
Level 1: 80%+
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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) |
Subtopic: Natural Selection | Concept of Organic Evolution: Evidence |
92%
Level 1: 80%+
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Complete the analogy by choosing the correct option.
Vertebrate brains : Divergent evolution : : Eyes of the Octopus and of mammals : ________
1. Adaptive radiation
2. Homologous organs
3. Convergent evolution
4. Parallel evolution
Vertebrate brains : Divergent evolution : : Eyes of the Octopus and of mammals : ________
1. Adaptive radiation
2. Homologous organs
3. Convergent evolution
4. Parallel evolution
Subtopic: Concept of Organic Evolution: Evidence |
87%
Level 1: 80%+
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Homologous structures in different species indicate:
| 1. | Convergent evolution |
| 2. | Divergent evolution from a common ancestor |
| 3. | Similar environmental conditions |
| 4. | Random genetic drift |
Subtopic: Concept of Organic Evolution: Evidence |
92%
Level 1: 80%+
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Analogous structures are result of
1. Divergent evolution
2. Convergent evolution
3. Shared evolution
4. Stabilizing selection
Subtopic: Concept of Organic Evolution: Evidence |
91%
Level 1: 80%+
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The eye of Octopus and eye of cat show different patterns of structure, yet they perform similar function. This is an example of
| 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 |
Subtopic: Concept of Organic Evolution: Evidence |
90%
Level 1: 80%+
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Which one of the following correctly describes the homologous structures?
| 1. | Organs with anatomical similarities, but performing different functions. |
| 2. | Organs with anatomical dissimilarities, but performing same functions. |
| 3. | Organs that have no functions now, but had an important function in ancestors. |
| 4. | Organs appearing only in embryonic stage and disappearing later in the adult. |
Subtopic: Concept of Organic Evolution: Evidence |
89%
Level 1: 80%+
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After pollution destroyed lichens on the trees. the survival of the dark-colored peppered moths increased, because they were.
| 1. | protected from carcinogens |
| 2. | protected from lichen poisons |
| 3. | more robust |
| 4. | protected from predation |
Subtopic: Concept of Organic Evolution: Evidence |
83%
Level 1: 80%+
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Select the option representing correct examples of analogous organs.
(a) Sweet potato and potato
(b) Vertebrate hearts and brains
(c) Thorn of Bougainvillea and tendril of Cucurbita
(d) Eyes of the Octopus and of mammals
(e) Flippers of penguins and dolphins
1. (a), (d), (e)
2. (a), (b), (c)
3. (b), (c), (d)
4. (c), (d), (e)
(a) Sweet potato and potato
(b) Vertebrate hearts and brains
(c) Thorn of Bougainvillea and tendril of Cucurbita
(d) Eyes of the Octopus and of mammals
(e) Flippers of penguins and dolphins
1. (a), (d), (e)
2. (a), (b), (c)
3. (b), (c), (d)
4. (c), (d), (e)
Subtopic: Concept of Organic Evolution: Evidence |
89%
Level 1: 80%+
Hints
Which of the following describes homologous organs?
| 1. | Organs in different species that have different structures but perform similar functions due to convergent evolution. |
| 2. | Vestigial organs that have lost their original function due to evolutionary changes. |
| 3. | Organs in different species that have a similar structure and evolutionary origin but may perform different functions. |
| 4. | Organs that are identical in both structure and function across all species, indicating no evolutionary changes. |
Subtopic: Concept of Organic Evolution: Evidence |
88%
Level 1: 80%+
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