The biggest land reptile which was 20 feet in height and had huge dagger-like teeth was
1. Tyrannosaurus
2. Archaeopteryx
3. Ichthyosaur
4. Brintosaurus
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Subtopic: A BRIEF ACCOUNT OF EVOLUTION |
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The process of evolution of different species in an isolated geographical area and their radiation to other habitats is known as
1. Natural selection
2. Mutation
3. Adaptive radiation
4. Biogenesis
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Subtopic: Concept of Organic Evolution: Evidence |
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Origin of earth dates back to
1. 10,000-15,000 million years ago
2. 4000-4600 million years ago
3. 500-1000 million years ago
4. 2000-3000 million years ago
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Subtopic: Cosmic Evolution |
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