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Q. No.The similarity of bone structure in the forelimbs of many vertebrates is an example of:
1. Homology
2. Analogy
3. Convergent evolution
4. Adaptive radiation
2. Analogy
3. Convergent evolution
4. Adaptive radiation
Subtopic: Concept of Organic Evolution: Evidence: 1 | Concept of Organic Evolution: Evidence |
62%
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NEET - 2018
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Among the following sets of examples for divergent evolution, select the incorrect option:
1. Forelimbs of man, bat and cheetah
2. Heart of bat, man and cheetah
3. Brain of bat, man and cheetah
4. Eye of octopus, bat and man
Subtopic: Concept of Organic Evolution: Evidence: 2 | Concept of Organic Evolution: Evidence |
69%
From NCERT
NEET - 2018
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According to Hugo de Vries, the mechanism of evolution is:
1. Multiple-step mutations
2. Saltation
3. Phenotypic variations
4. Minor mutations
2. Saltation
3. Phenotypic variations
4. Minor mutations
Subtopic: Hugo De Vries Theory of Evolution |
83%
From NCERT
NEET - 2018
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Artificial selection to obtain cows yielding higher milk output represents:
| 1. | Directional, as it pushes the mean of the character in one direction |
| 2. | Disruptive, as it splits the population into two, one yielding higher output and the other lower output |
| 3. | Stabilizing followed by disruptive, as it stabilizes the population to produce higher-yielding cows |
| 4. | Stabilizing selection, as it stabilizes this character in the population |
Subtopic: Types of Natural Selection |
59%
NEET - 2017
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In Hardy- Weinberg equation, the frequency of heterozygous individual is represented by
(1) P2
(2) 2pq
(3) pq
(4) q2
Subtopic: Hardy Weinberg Law: 1 | Hardy Weinberg Law |
88%
From NCERT
NEET - 2016
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Analogous structures are a result of
(1) Convergent evolution
(2) shared ancestry
(3) stabilising selection
(4) divergent evolution
Subtopic: Concept of Organic Evolution: Evidence: 1 | Concept of Organic Evolution: Evidence |
90%
From NCERT
NEET - 2016
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Genetic drift operates in:
1. small isolated population
2. large isolated population
3. non-reproductive population
4. slow reproductive population
Subtopic: Difference Between Drift & Selection |
72%
NEET - 2016
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The chronological order of human evolution from early to the recent is?
| 1. | Australopithecus→Ramapithecus→Homo habilis→Homo erectus |
| 2. | Ramapithecus→Australopithecus→ Homo habilis→Homo erectus |
| 3. | Ramapithecus→Homo habilis→ Australopithecus →Homo erectus |
| 4. | Australopithecus→Homo habilis→Ramapithecus →Homo erectus |
Subtopic: Evolution Prior to Ape Man: 1 | Evolution Prior to Ape Man: 2 | Evolution Prior to Ape Man |
83%
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Which of the following is the correct sequence of events in the origin of life?
I. Formation of protobionts.
II. Synthesis of organic monomers.
III. Synthesis of organic polymers.
IV. Formation of DNA-based genetic systems.
| 1. | I, II, III, IV | 2. | I, III, II, IV |
| 3. | II, III, I, IV | 4. | II, III, IV, I |
Subtopic: Origin of Life: Chemical Evolution: 1 | Origin of Life |
54%
NEET - 2016
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Analogous structures are results of?
1. convergent evolution
2. shared ancestry
3. stabilizing selection
4. divergent evolution
2. shared ancestry
3. stabilizing selection
4. divergent evolution
Subtopic: Concept of Organic Evolution: Evidence: 2 | Concept of Organic Evolution: Evidence |
92%
From NCERT
NEET - 2016
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