Q. No.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.
1.
Only I
2.
Only II
3.
Both I and II
4.
Neither I nor II
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| A | B | C | D | |
| 1. | Numbat | Spotted Cuscus | Bobcat | Flying Squirrel |
| 2. | Spotted Cuscus | Numbat | Flying Squirrel | Bobcat |
| 3. | Numbat | Spotted Cuscus | Flying Squirrel | Bobcat |
| 4. | Spotted Cuscus | Numbat | Bobcat | Flying Squirrel |
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| A | B | C | |
| 1. | Stabilising | Directional | Disruptive |
| 2. | Directional | Stabilising | Disruptive |
| 3. | Disruptive | Directional | Stabilising |
| 4. | Stabilising | Disruptive | Directional |
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| A | B | C | D | E | |
| 1. | Green algae | Cycads | Dicotyledons | Psilophyton | Rhynia type plants |
| 2. | Red algae | Ginkgos | Dicotyledons | Pines | Chlorophyte ancestors |
| 3. | Bryophytes | Ginkgos | Pines | Psilophyton | Tracheophyte ancestors |
| 4. | Bryophytes | Ginkgos | Dicotyledons | Psilophyton | Tracheophyte ancestors |
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| A | B | C | D | E | F | |
| 1. | Thecodonts | Sauropsids | Therapsids | Synapsids | Pelycosaurs | Dinosaurs |
| 2. | Synapsids | Pelycosaurs | Sauropsids | Dinosaurs | Therapsids | Thecodonts |
| 3. | Sauropsids | Synapsids | Pelycosaurs | Thecodonts | Therapsids | Dinosaurs |
| 4. | Therapsids | Synapsids | Pelycosaurs | Dinosaurs | Sauropsids | Thecodonts |
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Statement I: The skull of the baby chimpanzee is more like an adult human skull than an adult chimpanzee skull.
Statement II: Infants of both species have large craniums and small faces.
1. Statement I is correct; Statement II is incorrect
2. Statement I is correct; Statement II is correct
3. Statement I is incorrect; Statement II is correct
4. Statement I is incorrect; Statement II is incorrect
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I: is the subfield of biology that studies the evolutionary processes (natural selection, common descent, speciation) that produced the diversity of life on Earth.
II: is also defined as the study of the history of life forms on Earth.
1. Only I is correct
2. Only II is correct
3. Both I and II are correct
4. Both I and II are incorrect
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| 1. | Carboniferous | 2. | Triassic |
| 3. | Jurassic | 4. | Cretaceous |
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| 1. | Bryophytes and Ferns | 2. | Gymnosperms |
| 3. | Monocots | 4. | Dicots |
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| 1. | Carboniferous | 2. | Jurassic |
| 3. | Cretaceous | 4. | Tertiary |
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