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Q. No.Which one of the following graphs correctly describes disruptive selection? When studying fitness level associated with body size?
1.
2.
3.
4.
Subtopic: Definition & Types of Evolution |
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Subtopic: Examples of Chemical Evolution |
90%
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Which type of evolution is shown by the given graph?
1. Disruptive
2. Destructive
3. Competitive
4. Stabilising
1. Disruptive
2. Destructive
3. Competitive
4. Stabilising
Subtopic: Definition & Types of Evolution |
77%
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Which of the following provides most evident proof of evolution?
1. Fossils
2. Morphology
3. Embryo
4. Vestigial organs
1. Fossils
2. Morphology
3. Embryo
4. Vestigial organs
Subtopic: Palentological Evidences of Evolution |
87%
From NCERT
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Gases found in primitive atmosphere are
1. \(\mathrm{CH}_4, \mathrm{NH}_3, \mathrm{H}_2, \mathrm{H}_2 \mathrm{O} \text { (vapour form) }\)
2. \(\mathrm{CH}_4, \mathrm{NH}_3, \mathrm{CO}_2, \mathrm{H}_2 \mathrm{O}\)
3. \(\mathrm{CH}_4, \mathrm{H}_2 \mathrm{O}, \mathrm{CO}_2\)
4. \(\mathrm{CH}_4, \mathrm{O}_2, \mathrm{CO}_2\)
1. \(\mathrm{CH}_4, \mathrm{NH}_3, \mathrm{H}_2, \mathrm{H}_2 \mathrm{O} \text { (vapour form) }\)
2. \(\mathrm{CH}_4, \mathrm{NH}_3, \mathrm{CO}_2, \mathrm{H}_2 \mathrm{O}\)
3. \(\mathrm{CH}_4, \mathrm{H}_2 \mathrm{O}, \mathrm{CO}_2\)
4. \(\mathrm{CH}_4, \mathrm{O}_2, \mathrm{CO}_2\)
Subtopic: Cosmic Evolution |
79%
From NCERT
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Match List I with List II
Choose the correct answer from the options given below:
1. A ‐ III, B ‐ IV, C ‐ II, D ‐ I
2. A ‐ II, B ‐I, C ‐ IV, D ‐ III
3. A ‐ IV, B ‐ III , C ‐ I , D ‐ II
4. A ‐ II, B ‐ III, C ‐ IV, D ‐ I
| List I Man |
List II Cranial Capacity |
||
| A. | Homo erectus | I. | 1200‐1400 cc |
| B. | Neanderthal Man | II. | 800‐1000 cc |
| C. | Cromagnun Man | III. | 350‐ 450 cc |
| D. | Australopithecus | IV. | 1600 cc |
1. A ‐ III, B ‐ IV, C ‐ II, D ‐ I
2. A ‐ II, B ‐I, C ‐ IV, D ‐ III
3. A ‐ IV, B ‐ III , C ‐ I , D ‐ II
4. A ‐ II, B ‐ III, C ‐ IV, D ‐ I
Subtopic: Introduction to Human Evolution | Evolution Prior to Ape Man: 1 | Evolution Prior to Ape Man: 2 | Evolution Prior to Ape Man |
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Theory of 'Natural Selection' proposed by
1. Charles Darwin
2. James Hutton
3. Charles Lyell
4. Herbert Spencer
1. Charles Darwin
2. James Hutton
3. Charles Lyell
4. Herbert Spencer
Subtopic: Darwin's Theory |
95%
From NCERT
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Subtopic: Examples of Chemical Evolution | Other Theories of Origin of Life |
62%
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Which of the following is not an example of homologous organ?
1. Vertebrate hearts or brains
2. Thomas of Bougainvillea and tendrils of Cucurbita
3. Leg of cheetah, and flipper of whale
4. Eye of Octopus and of mammals
1. Vertebrate hearts or brains
2. Thomas of Bougainvillea and tendrils of Cucurbita
3. Leg of cheetah, and flipper of whale
4. Eye of Octopus and of mammals
Subtopic: Concept of Organic Evolution: Evidence |
79%
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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 |
72%
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