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Q. No.Darwin finches and Australian marsupials are excellent examples of:
1. Saltation
2. Catastrophism
3. Adaptive radiation
4. Anthropogenic artificial selection
Subtopic: Concept of Organic Evolution: Evidence |
94%
From NCERT
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Which of the following can cause disturbance in genetic equilibrium or Hardy-Weinberg equilibrium?
1. Large population
2. No mutations are taking place
3. Assortative [non-random] mating
4. No gen flow
1. Large population
2. No mutations are taking place
3. Assortative [non-random] mating
4. No gen flow
Subtopic: Hardy Weinberg Law |
70%
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What was the main point of difference between Darwin and Hugo de Vries regarding evolution?
| 1. | Darwin did not believe in the inheritance of acquired traits while Hugo de Vries did. |
| 2. | Evolution for Darwin was gradual while Hugo de Vries believed mutation caused speciation. |
| 3. | Evolution for Darwin was a stochastic process and for Hugo de Vries was a determinist process. |
| 4. | Fitness for Darwin was reproductive fitness and for Hugo de Vries was physical fitness. |
Subtopic: Darwin's Theory | Hugo De Vries Theory of Evolution | Modern Theory of Evolution | Concept of Organic Evolution: Evidence |
85%
From NCERT
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Which of the following animals can trace their ancestry from therapsids?
1. Mammals only
2. Mammals and Birds
3. Dinosaurs, Crocodiles and Birds
4. Turtles, Lizards, Snakes and Tuataras
1. Mammals only
2. Mammals and Birds
3. Dinosaurs, Crocodiles and Birds
4. Turtles, Lizards, Snakes and Tuataras
Subtopic: Evolution Prior to Ape Man: 1 |
59%
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Which of the following would be the oldest in the given periods of geological time scale?
| 1. | Carboniferous | 2. | Permian |
| 3. | Triassic | 4. | Jurassic |
Subtopic: Concept of Organic Evolution: Evidence: 2 |
60%
From NCERT
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Who amongst the following was an American scientist?
1. J. B. S. Haldane
2. Alexander Oparin
3. Charles Darwin
4. Stanley L. Miller
1. J. B. S. Haldane
2. Alexander Oparin
3. Charles Darwin
4. Stanley L. Miller
Subtopic: Urey & Miller Experiment |
75%
From NCERT
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Karl Ernst von Baer:
| 1. | conducted a control experiment to disprove spontaneous generation |
| 2. | proposed the concept of pangenesis as the physical basis of heredity |
| 3. | disapproved the proposal of Ernst Haeckel [Biogenetic law] |
| 4. | was one of the rediscoverers of Mendel’s laws |
Subtopic: Embryological Evidence of Evolution |
88%
From NCERT
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The frequency of a recessive allele in a population at genetic equilibrium is 0.3. What is the frequency of homozygous dominant genotype in this population?
1. 0.49
2. 0.09
3. 0.21
4. 0.7
1. 0.49
2. 0.09
3. 0.21
4. 0.7
Subtopic: Hardy Weinberg Law |
64%
From NCERT
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Development of analogous structure as a result of convergent evolution is shown in all of the following examples except:
| 1. | Eye of a mammal and the eye of octopus |
| 2. | Flipper of penguin and flipper of dolphin |
| 3. | Thorn of Bougainvillea and tendril of Cucurbita |
| 4. | Sweet potato and potato |
Subtopic: Concept of Organic Evolution: Evidence |
82%
From NCERT
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For primary abiogenesis, Oparin opined that the primeval Earth atmosphere lacked:
1. Hydrogen
2. Free oxygen
3. Methane
4. Ammonia
1. Hydrogen
2. Free oxygen
3. Methane
4. Ammonia
Subtopic: Cosmic Evolution | Origin of Life: Chemical Evolution: 1 | Origin of Life: Chemical Evolution: 2 |
93%
From NCERT
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