Q. No.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 |
An important evidence in favour of organic evolution is the occurrence of:
1. homologous and vestigial organs
2. analogous and vestigial organs
3. homologous organ only
4. analogous organ only
Which one of the following amino acids was not found to be synthesized in Miller’s experiment?
| 1. | Glycine | 2. | Aspartic acid |
| 3. | Glutamic acid | 4. | Alanine |
When two species of different genealogy come to resemble each other as a result of adaptation, the phenomenon is termed:
1. divergent evolution
2. microevolution
3. co-evolution
4. convergent evolution
Adaptive radiation refers to:
| 1. | adaptations due to geographical isolation |
| 2. | evolution of different species from a common ancestor |
| 3. | migration of members of a species to different geographical areas |
| 4. | power of adaptation in an individual to a variety of environments |
What is common to whales, seals, and sharks?
1. Seasonal migration
2. Thick subcutaneous fat
3. Convergent evolution
4. Homeothermy
Which one of the following statements is correct?
| 1. | Stem cells are specialized |
| 2. | There is no evidence of the existence of gills during embryogenesis of mammals |
| 3. | All plant and animal cells are totipotent |
| 4. | Ontogeny repeats phylogeny |
The finches of the Galapagos islands provide evidence in favour of:
1. special creation
2. evolution due to mutation
3. retrogressive evolution
4. biogeographical evolution
Select the correct statement from the following:
| 1. | Darwin variations are small and directionless |
| 2. | fitness is the end result of the ability to adapt and gets selected by nature |
| 3. | all mammals except whales and have seven cervical vertebrae |
| 4. | Mutations are random and directional |
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