Q. No.Which one of the following is not a living fossil?
1. King crab
2. Sphenodon
3. Archaeopteryx
4. Peripatus
The most recent and direct pre-historic ancestor is:
1. Cro-magnon
2. Neanderthal
3. Pre-neaderthal
4. None of these
Darwin’s finches represent:
1. Morphological variations
2. Geographical isolations
3. Climate variations
4. Reproductive isolation
Hardy-Weinberg equilibrium is known to be affected by gene flow, genetic drift, mutation, genetic recombination and:
1. evolution
2. limiting factors
3. saltation
4. natural selection
Which one of the following in birds indicates their reptilian ancestry?
| 1. | Scales on their heart |
| 2. | Four-chambered heart |
| 3. | Two special chambers crop and grizzlies in their digestive tract |
| 4. | Egg with a calcareous shell |
Darwinism explains all the following except:
| 1. | Within each species, there is variation |
| 2. | Organisms tend to produce more offspring than can survive |
| 3. | Offspring with better traits that overcome competition are best suited for the environment |
| 4. | Variations are inherited from parents to offspring through genes |
Which of the following is not true for a species?
| 1. | Members of a species interbreed |
| 2. | Variations occur among members of species |
| 3. | Each species is reproductively isolated from every other species |
| 4. | Gene flow does not occur between the populations of a species |
The diversity in the type of beaks of finches adapted to different feeding habits on the Galapagos islands, as observed by Darwin, provides evidence for:
1. origin of species by natural selection
2. intraspecific variations
3. intraspecific competition
4. interspecific competition
Age of fishes is also known as:
1. Permian Era
2. Silurian Era
3. Devonian Era
4. Ordovician Era
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