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Q. No.The change in the frequency of alleles in a small isolated population by chance, is known as
1. Gene flow
2. Gene migration
3. Genetic drift
4. Saltation
Subtopic: Hardy Weinberg Law |
87%
From NCERT
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Choose the incorrect statement w.r.t. evolution
| 1. | Modern man (Homo sapiens) arose around 75,000-10,000 years ago in North America |
| 2. | Along with the increase in cranial capacity, parallel evolution of human brain and language occurred |
| 3. | First eukaryotic cellular forms of life appeared on earth about 2000 million years ago |
| 4. | Biggest land reptiles disappeared 65mya from earth |
Subtopic: Evolution of Homo Sapiens |
66%
From NCERT
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Fossils of which hominid suggest that they buried their dead with flowers and tools?
1. Handy man
2. Erect man
3. Co-Magnon man
4. Neanderthal man
1. Handy man
2. Erect man
3. Co-Magnon man
4. Neanderthal man
Subtopic: Evolution of Homo Sapiens |
86%
From NCERT
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"Industrial melanism" is an example of
1. Saltation
2. Founder's effect
3. Lamarckism
4. Natural selection
1. Saltation
2. Founder's effect
3. Lamarckism
4. Natural selection
Subtopic: Concept of Organic Evolution: Evidence |
86%
From NCERT
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The remarkable similarity in humans and chimpanzees are shown in banding patterns of chromosomes
1. 1 and 2
2. 2 and 4
3. 3 and 6
4. 4 and 8
1. 1 and 2
2. 2 and 4
3. 3 and 6
4. 4 and 8
Subtopic: Evolution of Homo Sapiens |
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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
1. Tyrannosaurus
2. Archaeopteryx
3. Ichthyosaur
4. Brintosaurus
Subtopic: A BRIEF ACCOUNT OF EVOLUTION |
81%
From NCERT
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Match column I with column II w.r.t. the cranial capacities of man
1. a(i), b(ii), c(iii), d(iv)
2. a(ii), b(iii), c(iv), d(i)
3. a(iii), b(iv), c(i), d(ii)
4. a(iv), b(iii), c(ii), d(i)
| Column I | Column II | ||
| a. | Homo habilis | (i) | 1650 cc |
| b. | Homo erectus | (ii) | 1400 cc |
| c. | Homo sapiens neanderthalensis | (iii) | 900 cc |
| d. | Homo sapiens fossilis | (iv) | 650-800 cc |
1. a(i), b(ii), c(iii), d(iv)
2. a(ii), b(iii), c(iv), d(i)
3. a(iii), b(iv), c(i), d(ii)
4. a(iv), b(iii), c(ii), d(i)
Subtopic: Evolution of Homo Sapiens |
83%
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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
1. Natural selection
2. Mutation
3. Adaptive radiation
4. Biogenesis
Subtopic: Concept of Organic Evolution: Evidence |
88%
From NCERT
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Subtopic: Definition & Types of Evolution |
54%
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Phenomenon not associated with Darwin's finches is
1. Divergent evolution
2. Convergent evolution
3. Adaptive radiation
4. Speciation
1. Divergent evolution
2. Convergent evolution
3. Adaptive radiation
4. Speciation
Subtopic: Concept of Organic Evolution: Evidence |
51%
From NCERT
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