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Q. No.According to cosmozoic theory for origin of life, life comes on earth from other planets in space in the form of
1. Spores
2. Seeds
3. Gametes
4. All of these
Subtopic: Other Theories of Origin of Life | Origin of Life |
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The theory that living organisms on the earth came from outer space is based on the study of
1. Igneous rocks
2. Sedimentary rocks
3. Meteorites
4. Moon soil
1. Igneous rocks
2. Sedimentary rocks
3. Meteorites
4. Moon soil
Subtopic: Cosmic Evolution | Other Theories of Origin of Life |
73%
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Russian scientist who proposed the theory of origin of life was
1. Oparin
2. Haldane
3. Miller
4. None of these
1. Oparin
2. Haldane
3. Miller
4. None of these
Subtopic: Examples of Chemical Evolution |
84%
From NCERT
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A.I. Oparin wrote
1. Origin of species
2. Origin of life
3. Philosophie zoologique
4. The planet
1. Origin of species
2. Origin of life
3. Philosophie zoologique
4. The planet
Subtopic: Examples of Chemical Evolution |
72%
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H.C. Urey wrote the following book
1. The planets
2. Origin of Life
3. The origin of species
4. None of these
1. The planets
2. Origin of Life
3. The origin of species
4. None of these
Subtopic: Examples of Chemical Evolution |
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What did S. L. Miller observe in his earliest experimental set-up?
1. Formation of sugars and nitrogenous bases
2. Formation of amino acids
3. Formation of pigments
4. Formation of Fats
1. Formation of sugars and nitrogenous bases
2. Formation of amino acids
3. Formation of pigments
4. Formation of Fats
Subtopic: Examples of Chemical Evolution | Urey & Miller Experiment |
84%
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S.L. Miller conducted an experiment in 1953 to support the
1. Theory of spontaneous generation
2. Biogenesis
3. Chemical evolution of life
4. Natural selection
1. Theory of spontaneous generation
2. Biogenesis
3. Chemical evolution of life
4. Natural selection
Subtopic: Examples of Chemical Evolution | Urey & Miller Experiment |
90%
From NCERT
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The scientist related with the theory of biogenesis and experiments with swan-necked flasks is
1. Von Helmont
2. Louis Pasteur
3. Miller
4. Haeckel
1. Von Helmont
2. Louis Pasteur
3. Miller
4. Haeckel
Subtopic: Other Theories of Origin of Life |
74%
From NCERT
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All of the following conditions were present on early earth, except
1. High temperature
2. Volcanic storms
3. Oxidising atmosphere
4. Reducing atmosphere
1. High temperature
2. Volcanic storms
3. Oxidising atmosphere
4. Reducing atmosphere
Subtopic: Examples of Chemical Evolution | Origin of Life |
90%
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Which of the following brokeup water into hydrogen and oxygen on early earth?
1. Visible light
2. Infrared radiations
3. Sunlight
4. UV radiations
1. Visible light
2. Infrared radiations
3. Sunlight
4. UV radiations
Subtopic: Origin of Life |
83%
From NCERT
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