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Q. No.The hypothesis of ‘spontaneous generation, was finally disproved experimentally by:
1. Fransesco Redi
2. Louis Pasteur
3. Spallanzani
4. van Helmont
Subtopic: Definition & Types of Evolution |
94%
From NCERT
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The connotations of the special creation theory regarding the origin of life do not include:
| 1. | All living organisms (species or types) that we see today were created as such. |
| 2. | The diversity was always the same since creation and will be the same in future also. |
| 3. | Earth is about 4000 years old. |
| 4. | Living organisms develop from non-living matter. |
Subtopic: Origin of Life |
80%
From NCERT
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Doing extensive fieldwork in the Malay Archipelago, which scientist independently conceived the theory of evolution through natural selection?
1. Alfred Russel Wallace
2. Charles Lyell
3. Georges Cuvier
4. Jean Baptiste Lamarck
1. Alfred Russel Wallace
2. Charles Lyell
3. Georges Cuvier
4. Jean Baptiste Lamarck
Subtopic: Summary of Darwin's Theory |
93%
From NCERT
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A study of fossils in different sedimentary layers:
1. Only I and II are correct
2. Only I and III are correct
3. Only II and III are correct
4. I, II and III are correct
| I: | indicates the geological period in which they existed. |
| II: | shows that life-forms varied over time. |
| III: | shows that certain life-forms are restricted to certain geological time-spans. |
1. Only I and II are correct
2. Only I and III are correct
3. Only II and III are correct
4. I, II and III are correct
Subtopic: Palentological Evidences of Evolution |
91%
From NCERT
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Identify the correct statements:
1. a and b only
2. c and d only
3. a and c only
4. b and d only
| a. | Homology indicates common ancestry. |
| b. | Sweet potato and potato are examples for homology. |
| c. | Analogous structures are a result of convergent evolution. |
| d. | Vertebrate hearts or brains are analogous structures. |
1. a and b only
2. c and d only
3. a and c only
4. b and d only
Subtopic: Palentological Evidences of Evolution |
89%
From NCERT
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What will not be true regarding ‘industrial melanism’?
| 1. | Before industrialisation set in in England, it was observed that there were more white-winged moths on trees than dark-winged or melanised moths. |
| 2. | After industrialisation, there were more dark-winged moths in the same area. |
| 3. | In areas where industrialisation did not occur e.g. in rural areas, the count of melanic moths was low. |
| 4. | One of two variants got completely wiped out according to prevalent conditions and later arose through a recurring mutation. |
Subtopic: Theory of Evolution & Lamarckism |
84%
From NCERT
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Consider the given two statements:
| Assertion: | Darwin's finches are an often-used textbook example of adaptive radiation. |
| Reason: | Darwin's finches are Galapagos endemics famously adapted for a specialized feeding behavior. |
| 1. | Both Assertion and Reason are true but the Reason does not correctly explain the Assertion. |
| 2. | Both Assertion and Reason are true and the Reason correctly explains the Assertion. |
| 3. | Assertion is false but Reason is true. |
| 4. | Assertion is true but Reason is false. |
Subtopic: Darwin's Theory |
60%
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Natural selection is based on certain observations which are factual and include all the following except:
1. Natural resources are limited.
2. Populations go on increasing in size as they have unlimited fertility.
3. No two individuals are alike in a population.
4. Most of variations are inherited
1. Natural resources are limited.
2. Populations go on increasing in size as they have unlimited fertility.
3. No two individuals are alike in a population.
4. Most of variations are inherited
Subtopic: Natural Selection |
66%
From NCERT
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Hugo deVries brought forth the idea of mutations while working on:
1. Evening primrose
2. Fruit fly
3. Coenorhabditis elegans
4. Maize
1. Evening primrose
2. Fruit fly
3. Coenorhabditis elegans
4. Maize
Subtopic: Hugo De Vries Theory of Evolution |
89%
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Disturbance in genetic equilibrium, or Hardy-Weinberg equilibrium, is interpreted as resulting in:
1. adaptive radiation
2. evolution
3. saltation
4. speciation
1. adaptive radiation
2. evolution
3. saltation
4. speciation
Subtopic: Hardy Weinberg Law: 2 |
59%
From NCERT
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