- 1(current)
Q. No.One of the important consequences of geographical isolation is:
1. no change in the isolated fauna
2. preventing speciation
3. speciation through reproductive isolation
4. random creation of new species
Which one of the following is not a living fossil?
1. King crab
2. Sphenodon
3. Archaeopteryx
4. Peripatus
Jurassic period of the Mesozoic era is characterised by:
| 1. | gymnosperms, adminant plants, and first birds appear |
| 2. | radiation of reptiles and the origin of mammal-like reptiles |
| 3. | Dinosaurs become extinct and angiosperms appear |
| 4. | flowering plants and the first dinosaurs appear |
Which of the following is important for speciation:
1. Seasonal isolation
2. Reproductive isolation
3. Behavioural isolation
4. Tropical isolation
What is true for individuals of the same species:
1. Live in the same niche
2. Live in the same habitat
3. Interbreeding
4. Live in different habitat
The occurrence of endemic species in South America and Australia is because:
| 1. | these species have been extinct in other regions |
| 2. | of continental separation |
| 3. | there is no terrestrial route to these places |
| 4. | of retrogressive evolution |
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Species separated by geographical barriers are called:
1. Allopatric
2. Sympatric
3. Sibling
4. Endemic
- 1(current)
Q. No.
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