Q. No.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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Viviparity is considered to be more evolved because:
1. the young ones are left on their own
2. the young ones are protected by a thick shell
3. the young ones are protected inside the mother's body and are looked after they are born leading to more chances of survival
4. the embryo takes a long time to develop
Fossils are generally found in:
| 1. | Sedimentary rocks | 2. | Igneous rocks |
| 3. | Metamorphic rocks | 4. | Any type of rock |
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For the MN-blood group system, the frequencies of M and N alleles are 0.7 and 0.3, respectively. The expected frequency of MN-blood group-bearing organisms is likely to be:
| 1. | 42% | 2. | 49% |
| 3. | 9% | 4. | 58% |
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Which type of selection explains industrial melanism observed in moth, Biston betularia?
| 1. | Stabilising | 2. | Directional |
| 3. | Disruptive | 4. | Artificial |
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The most accepted line of descent in human evolution is:
| 1. | Australopithecus → Ramapithecus → Homo sapiens → Homo habilis |
| 2. | Homo erectus → Homo habilis → Homo sapiens |
| 3. | Ramapithecus → Homo habilis → Homo erectus → Homo sapiens |
| 4. | Australopithecus → Ramapithecus → Homo erectus → Homo habilis → Homo sapiens. |
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Which of the following is an example for link species?
1. Lobe fish
2. Dodo bird
3. Sea weed
4. Chimpanzee
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