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Q. No.The factor that leads to Founder effect in a population is:
1. Mutation 2. Genetic drift 3. Natural selection 4. Genetic recombination
Subtopic: Hardy Weinberg Law: 1 |
80%
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NEET - 2021
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Match List-I with List-II:
| List-I | List-II | ||
| (a) | Adaptive radiation | (i) | Selection of resistant varieties due to excessive use of herbicides and pesticides |
| (b) | Convergent evolution | (ii) | Bones of forelimbs in Man and Whale |
| (c) | Divergent evolution | (iii) | Wings of Butterfly and Bird |
| (d) | Evolution by anthropogenic action | (iv) | Darwin Finches |
Choose the correct answer from the options given below:
| (a) | (b) | (c) | (d) | |
| 1. | (ii) | (i) | (iv) | (iii) |
| 2. | (i) | (iv) | (iii) | (ii) |
| 3. | (iv) | (iii) | (ii) | (i) |
| 4. | (iii) | (ii) | (i) | (iv) |
Subtopic: Palentological Evidences of Evolution | Darwin's Theory | Concept of Organic Evolution: Evidence |
89%
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Change in the frequency of an allele in a population due to random sampling of organisms brought about by a chance event is called:
1. Gene flow
2. Genetic drift
3. Natural selection
4. Saltation
Subtopic: Difference Between Drift & Selection | Hardy Weinberg Law |
84%
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A Hominid fossil discovered in Java in 1891, now extinct, having a cranial capacity of about 900 cc was:
| 1. | Homo erectus | 2. | Neanderthal man |
| 3. | Homo sapiens | 4. | Australopithecus |
Subtopic: Introduction to Human Evolution | Classification of Primates |
80%
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NEET - 2020
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The phenomenon of the evolution of different species in a given geographical area starting from a point and spreading to other habitats is called:
| 1. | Saltation | 2. | Co-evolution |
| 3. | Natural selection | 4. | Adaptive radiation |
Subtopic: Concept of Organic Evolution: Evidence: 2 |
85%
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NEET - 2020
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After about how many years of the formation of the earth, life appeared on this planet?
1. 500 billion years
2. 50 million years
3. 500 million years
4. 50 billion years
Subtopic: Examples of Chemical Evolution | Origin of Life |
76%
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NEET - 2020
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Embryological support for evolution was proposed by:
| 1. | Ernst Heckel | 2. | Karl Ernst von Baer |
| 3. | Charles Darwin | 4. | Alfred Wallace |
Subtopic: Embryological Evidence of Evolution |
76%
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The theory about the origin of life that holds that living creatures could arise from nonliving matter and that such processes were commonplace and regular is known as:
1. Panspermia
2. Divine or special creation
3. Spontaneous generation
4. Primary abiogenesis
1. Panspermia
2. Divine or special creation
3. Spontaneous generation
4. Primary abiogenesis
Subtopic: Other Theories of Origin of Life |
74%
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Amino acids produced and identified in the "classic" 1952 experiment by Miller include all of the following except:
| 1. | Glycine | 2. | Alanine |
| 3. | Aspartic acid | 4. | Tryptophan |
Subtopic: Urey & Miller Experiment |
70%
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Which of the following is not a basic point about Oparin-Haldane hypothesis?
1. Early earth had a chemically oxidising atmosphere.
2. This atmosphere, exposed to energy in various forms, produced simple organic compounds ("monomers").
3. These compounds accumulated in a "soup", which may have been concentrated at various locations (shorelines, oceanic vents etc.).
4. By further transformation, more complex organic polymers – and ultimately life – developed in the soup.
1. Early earth had a chemically oxidising atmosphere.
2. This atmosphere, exposed to energy in various forms, produced simple organic compounds ("monomers").
3. These compounds accumulated in a "soup", which may have been concentrated at various locations (shorelines, oceanic vents etc.).
4. By further transformation, more complex organic polymers – and ultimately life – developed in the soup.
Subtopic: Examples of Chemical Evolution |
79%
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