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Q. No.Variations caused due to mutations are
| 1. | random and directionless |
| 2. | random and directional |
| 3. | random and small |
| 4. | random, small and directional |
Subtopic: Â Sources of Variation |
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Level 1: 80%+
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The factor that leads to Founder effect in a population is:
1. Mutation
2. Genetic drift
3. Natural selection
4. Genetic recombination
Subtopic: Â Difference Between Drift & Selection |Â Sources of Variation |
 86%
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Which one among the following was probably a fish like Reptile found during evolutionary history of Land Reptiles?
1. Pelycosaurus
2. Ichthyosaurus
3. Tyrannosaurus
4. Therapsid
1. Pelycosaurus
2. Ichthyosaurus
3. Tyrannosaurus
4. Therapsid
Subtopic: Â Sources of Variation |
 88%
Level 1: 80%+
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- 1(current)
Q. No.
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