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Q. No.Gene pool of a population tends to remain stable if the population is large, without large scale mutations,
without migration and with
1. Random mating
2. Moderate environmental changes
3. Natural selection
4. No predator control
Subtopic: Hardy Weinberg Law |
69%
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Industrial melanism as found in peppered moth proves that
| 1. | Melanic form has no selective advantages in industrial area |
| 2. | Lighter form has no selective advantage in polluted industrial area and non-polluted area |
| 3. | Melanism is pollution generated feature |
| 4. | True black melanic form developed by recurring random mutation |
Subtopic: Concept of Organic Evolution: Evidence |
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Which of the following is Sewall Wright effect?
1. Gene pool
2. Genetic drift
3. Gene migration
4. Natural selection
1. Gene pool
2. Genetic drift
3. Gene migration
4. Natural selection
Subtopic: Hardy Weinberg Law |
59%
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Lederberg replica plating experiment explains that mutations are
1. Fast
2. Useful
3. Gradual change
4. Preadaptive changes
1. Fast
2. Useful
3. Gradual change
4. Preadaptive changes
Subtopic: Concept of Organic Evolution: Evidence |
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If nature selects mean character value, it is
1. Stabilising selection
2. Disruptive selection
3. Directional selection
4. Progressive selection
1. Stabilising selection
2. Disruptive selection
3. Directional selection
4. Progressive selection
Subtopic: Natural Selection |
77%
From NCERT
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According to Hardy-Weinberg principle, sum total of all the allelic frequencies is
1. Zero
2. One
3. Infinite
4. Remain changeable
1. Zero
2. One
3. Infinite
4. Remain changeable
Subtopic: Hardy Weinberg Law |
88%
From NCERT
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Hardy-Weinberg principle is applicable to
1. Small population
2. Isolated population
3. Large population
4. All of these
1. Small population
2. Isolated population
3. Large population
4. All of these
Subtopic: Hardy Weinberg Law |
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Which of the following is considered as a pollution indicator?
1. Frequency of melanic moth
2. Lichens
3. Predator
4. Frequency of light coloured moth
1. Frequency of melanic moth
2. Lichens
3. Predator
4. Frequency of light coloured moth
Subtopic: Concept of Organic Evolution: Evidence |
89%
From NCERT
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Industrial melanism in moths provides example of
1. Balancing selection
2. Disruptive selection
3. Stabilizing selection
4. Directional selection
1. Balancing selection
2. Disruptive selection
3. Stabilizing selection
4. Directional selection
Subtopic: Concept of Organic Evolution: Evidence |
71%
From NCERT
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Finches on Galapagos islands distinctly represent a case of
1. Founder's effect
2. Analogous organs
3. Bottleneck effect
4. Convergent evolution
1. Founder's effect
2. Analogous organs
3. Bottleneck effect
4. Convergent evolution
Subtopic: Hardy Weinberg Law |
53%
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