Q. No.Which of the following statements is TRUE?
1. Prokaryotes evolved before eukaryotes.
2. Eukaryotes evolved before prokaryotes.
3. Prokaryotes and eukaryotes evolved at approximately the same time.
4. It is unclear whether prokaryotes or eukaryotes evolved first
2. Eukaryotes evolved before prokaryotes.
3. Prokaryotes and eukaryotes evolved at approximately the same time.
4. It is unclear whether prokaryotes or eukaryotes evolved first
The selecting agent in industrial melanism was:
| 1. | humans | 2. | toxins from smoke |
| 3. | birds | 4. | tree bark |
Which of the following is distantly related among each other?
| 1. | Crocodiles | 2. | Snakes |
| 3. | Tuataras | 4. | Turtles |
Zosterophyllum evolved from
| 1. | Psilophyton |
| 2. | Rhynia type plants |
| 3. | Tracheophyte ancestors |
| 4. | Chlorophyte ancestors |
Bryophytes evolved from
| 1. | Psilophyton |
| 2. | Rhynia type plants |
| 3. | Tracheophyte ancestors |
| 4. | Chlorophyte ancestors |
Which of the following could evolve by the time of 500 mya?
| 1. | Jawless fishes | 2. | Invertebrates |
| 3. | Sea weeds | 4. | Lobefins |
What will be the frequency of homozygote dominant in a population of triploid organisms.
| 1. | p×p×p | 2. | AA |
| 3. | p | 4. | P |
Adaptive radiation does not follow which of the following statements?
| 1. | Blackbird on Galapagos islands observed by Darwin is an amazing example of Adaptive Radiation. |
| 2. | All the varieties of Finches evolved on the same island from original seed feeding finches to insectivorous and vegetarian finches. |
| 3. | Australian marsupials, which are similar to each other evolved from an ancestral stock but all within the Australian island continent. |
| 4. | More than one adaptive radiation appeared to have occurred in an isolated geographical area representing different habitats, known as convergent evolution |
Flowering plants, angiosperm appeared in which of the following period?
1. Permian
2. Triassic
3. Jurassic
4. Cretaceous
If there were no melanic forms in the pre-industrialisation era, what would be the end result of industrialization?
| 1. | Peppered moths would have increased in number |
| 2. | Peppered moths would have become black due to the deposition of soor |
| 3. | Extinction of peppered moths |
| 4. | No change in the population of peppered moths |
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