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Q. No.Which one of the following is not a living fossil?
1. Peripatus
2. King crab (Limulus)
3. Archaopteryx
4. Sphenodon
Subtopic: Concept of Organic Evolution: Evidence |
58%
Level 3: 35%-60%
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Presence of tail and coarse hair in human baby is
1. Radiation
2. Atavism
3. Mutation
4. Crossing over
1. Radiation
2. Atavism
3. Mutation
4. Crossing over
Subtopic: Concept of Organic Evolution: Evidence |
74%
Level 2: 60%+
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" It is a stochastic process based on chance events in nature and chance mutation in the organisms".
This statement tells us about
1. Non directional nature of evolution
2. Directinal mutations leading to natural selection
3. Lack of anthropogenic impact on the evolutionary time scale
4. Constant rate of reproduction and evolution in all organims
This statement tells us about
1. Non directional nature of evolution
2. Directinal mutations leading to natural selection
3. Lack of anthropogenic impact on the evolutionary time scale
4. Constant rate of reproduction and evolution in all organims
Subtopic: Concept of Organic Evolution: Evidence |
57%
Level 3: 35%-60%
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Dinosaurs were dominant in the world in which of the following Era?
1. Cenozoic
2. Jurassic
3. Mesozoic
4. Devonian
1. Cenozoic
2. Jurassic
3. Mesozoic
4. Devonian
Subtopic: A BRIEF ACCOUNT OF EVOLUTION |
Level 3: 35%-60%
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Study of history of life forms on earth is known as
1. Evolutinary biology
2. Morphology
3. Physiology
4. Biogenesis
1. Evolutinary biology
2. Morphology
3. Physiology
4. Biogenesis
Subtopic: Concept of Organic Evolution: Evidence |
86%
Level 1: 80%+
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Read the following sentences carefully and choose the option having correct statements
1. (a) and (b) only
2. (b) and (c) only
3. (b), (c) and (d) only
4. (a), (b), (c) and (d)
| (a) | Units of life called spores were transferred to different planets including earth according to theory of spontaneous generation |
| (b) | Oparin and Haldane proposed that life arises from non-living organic molecules by chemical evolution |
| (c) | Psilophytin can be considered as ancestor of conifers |
| (d) | Coelacanth possibly evolved into the first amphibians |
1. (a) and (b) only
2. (b) and (c) only
3. (b), (c) and (d) only
4. (a), (b), (c) and (d)
Subtopic: Examples of Chemical Evolution | Other Theories of Origin of Life | Concept of Organic Evolution: Evidence | Origin of Life | A BRIEF ACCOUNT OF EVOLUTION |
55%
Level 3: 35%-60%
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Big-Bang theory attempts to explain the
1. Origin of life
2. Origin of species
3. Origin of Earth
4. Origin of Universe
1. Origin of life
2. Origin of species
3. Origin of Earth
4. Origin of Universe
Subtopic: Origin of Life |
81%
Level 1: 80%+
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Which of the following is not correctly matched?
| 1. | Charles Darwin | - | H.M. S Beagle |
| 2. | Alfred Wallace | - | Malay Archipelago |
| 3. | Thomas Malthus | - | An essay on principles of population |
| 4. | Equus | - | First one toed horse |
Subtopic: Concept of Organic Evolution: Evidence |
64%
Level 2: 60%+
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Key concepts on which Darwinian theory of evolution is based are
1. Branching descent and natural selection
2. Sanitation and mutation
3. Genetic drift and variations
4. Population statistics and physical fitness of organism
1. Branching descent and natural selection
2. Sanitation and mutation
3. Genetic drift and variations
4. Population statistics and physical fitness of organism
Subtopic: Definition & Types of Evolution | Additional Theories of Darwin | Concept of Organic Evolution: Evidence |
82%
Level 1: 80%+
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Read the following statements carefully
Choose the correct option w.r.t. True (T) and False (F) statements
| A. | Studies suggest that first organisms that invaded land were plants |
| B. | Saltations and large mutations and directionless while Darwinian variations are small and directional |
| C. | Sauropsids were common ancestors of therapsides and thecodonts |
| D. | Homo habilis were the first hominid with brain capacity ranging between 650-800 cc |
Choose the correct option w.r.t. True (T) and False (F) statements
| A | B | C | D | |
| 1. | T | F | T | F |
| 2. | F | T | F | T |
| 3. | T | T | F | T |
| 4. | T | T | F | F |
Subtopic: Evolution of Homo Sapiens | Concept of Organic Evolution: Evidence | Sources of Variation | A BRIEF ACCOUNT OF EVOLUTION |
81%
Level 1: 80%+
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