Which one of the following populations would most quickly lead to two groups with few shared traits?
1.
a population with disruptive selection
2.
a population with directional selection
3.
a population with stabilizing selection
4.
a population with no selection
Which of the following is used as an atmospheric pollution indicator?
| 1. | Lepidoptera | 2. | Lichens |
| 3. | Lycopersicon | 4. | Lycopodium |
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The theory of spontaneous generation stated that:
1. life arose from living forms only
2. life can arise from both living and non-living
3. life can arise from non-living things only
4. life arises spontaneously, neither from the living nor from the non-living
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Animal husbandry and plant breeding programmes are the examples of:
1. reverse evolution
2. artificial selection
3. mutation
4. natural selection
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Palaeontological evidence for evolution refers to the:
| 1. | development of the embryo | 2. | homologous organs |
| 3. | fossils | 4. | analogous organs |
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The bones of forelimbs of whales, bats, cheetahs, and men are similar in structure, because:
| 1. | one organism has given rise to another |
| 2. | they share a common ancestor |
| 3. | they perform the same function |
| 4. | they have biochemical similarities |
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Analogous organs arise due to:
| 1. | divergent evolution | 2. | artificial selection |
| 3. | genetic drift | 4. | convergent evolution |
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(p+q)2 = p2 + 2pq + q2 = 1 represents an equation used in:
1. population genetics
2. mendelian genetics
3. biometrics
4. molecular genetics
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The appearance of antibiotic-resistant bacteria is an example of:
1. adaptive radiation
2. transduction
3. pre-existing variation in the population
4. divergent evolution
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Evolution of life shows that life forms had a trend of moving from:
1. land to water
2. dryland to wet land
3. fresh water to sea water
4. water to land
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