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Q. No.| 1. | 20 billion years back | 2. | 10 billion years back |
| 3. | 4.5 billion years back | 4. | 3.0 billion years back |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyWhich theory, regarding the origin of life, is alternatively also called “panspermia”?
| 1. | Special Creation | 2. | Spontaneous Generation |
| 3. | Cosmozoan Theory | 4. | Biochemical Evolution |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyThe theory of spontaneous generation stated that:
| 1. | life arose from living forms only |
| 2. | life can arise from both living and non-living |
| 3. | life can arise from non-living things only |
| 4. | life arises spontaneously, neither from the living nor from the non-living |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology| I: | The first form of life could have come from pre-existing non-living organic molecules (e.g. RNA, protein, etc.) |
| II: | The formation of life was preceded by chemical evolution, i.e., the formation of diverse organic molecules from inorganic constituents. |
2. Only II is correct
3. Both I and II are correct
4. Both I and II are incorrect
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyIn 1953, S. L. Miller created primitive earth conditions in the laboratory and gave experimental evidence for the origin of the first form of life from pre-existing non-living organic molecules. The primitive earth conditions created include:
| 1. | low temperature, volcanic storms, an atmosphere rich in oxygen |
| 2. | low temperature, volcanic storms, reducing atmosphere |
| 3. | high temperature, volcanic storms, non-reducing atmosphere |
| 4. | high temperature, volcanic storms, reducing atmosphere containing CH4, NH3 etc. |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology| I: | Fitness, according to Darwin, refers ultimately and only to reproductive fitness. |
| II: | Those who are a better fit in an environment, leave more progeny than others. |
| 1. | Both Statement I and Statement II are correct and Statement II explains Statement I. |
| 2. | Statement I is correct and Statement II is incorrect. |
| 3. | Statement I is incorrect and Statement II is correct. |
| 4. | Both Statement I and Statement II are correct but Statement II does not explain Statement I. |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology| 1. | Georges Cuvier | 2. | Lyell |
| 3. | Hugo de Vries | 4. | Alfred Russell Wallace |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyPalaeontological evidence for evolution refers to the:
| 1. | development of the embryo | 2. | homologous organs |
| 3. | fossils | 4. | analogous organs |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyFossils are generally found in:
| 1. | Sedimentary rocks | 2. | Igneous rocks |
| 3. | Metamorphic rocks | 4. | Any type of rock |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyThe “Biogenetic Law” was given by :
| 1. | von Baer | 2. | Ernst Haeckel |
| 3. | Hugo de Vries | 4. | Theodosius Dobzhansky |
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