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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 |
76%
From NCERT
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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 |
85%
From NCERT
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Human ancestors, who left cave paintings were?
1. Neanderthal man
2. Cro-magnon man
3. Java ape man
4. Peking man
1. Neanderthal man
2. Cro-magnon man
3. Java ape man
4. Peking man
Subtopic: Evolution Prior to Ape Man |
56%
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Which component has a very important role in prebiotic evolution:
1. Sulphur dioxide
2. Nitric oxide
3. Methane
4. Sulphuric trioxide
1. Sulphur dioxide
2. Nitric oxide
3. Methane
4. Sulphuric trioxide
Subtopic: Urey & Miller Experiment |
89%
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 |
78%
From NCERT
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Species can be identified on the basis of
1. interbreed
2. species diversity
3. reproductive isolation
4. None of the above
1. interbreed
2. species diversity
3. reproductive isolation
4. None of the above
Subtopic: Concept of Isolation | Concept of Speciation |
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Match List I with List II
Choose the correct answer from the options given below:
1. A ‐ II, B ‐ I, C ‐ IV, D ‐ III
2. A ‐ I, B ‐III, C ‐ II, D ‐ IV
3. A ‐ I, B ‐IV , C ‐III , D ‐ II
4. A ‐ II, B ‐ III, C ‐IV , D ‐ I
| List I | List II | ||
| A. | Java Man | I. | Was first to walk erect |
| B. | Australopithecus | II. | First to use fire |
| C. | Cromagnon man | III. | First to develop speech |
| D. | Neanderthal Man | IV. | First colour wall painting |
1. A ‐ II, B ‐ I, C ‐ IV, D ‐ III
2. A ‐ I, B ‐III, C ‐ II, D ‐ IV
3. A ‐ I, B ‐IV , C ‐III , D ‐ II
4. A ‐ II, B ‐ III, C ‐IV , D ‐ I
Subtopic: Evolution Prior to Ape Man |
60%
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Subtopic: A BRIEF ACCOUNT OF EVOLUTION |
54%
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