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Q. No.The first non-cellular form of life could have originated about ____________ years ago
1. 3 million
2. 2 million
3. 3 billion
4. 2 billion
Subtopic: Origin of Life |
57%
From NCERT
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Which ones are the most essential for origin of life?
1. Enzymes
2. Proteins
3. Carbohydrates
4. Nucleic acids
1. Enzymes
2. Proteins
3. Carbohydrates
4. Nucleic acids
Subtopic: Examples of Chemical Evolution | Urey & Miller Experiment |
62%
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Presence of NaCl in body fluid indicates that life originated in
1. Primitive ocean
2. Rain water lakes
3. Salt solution
4. All of these
1. Primitive ocean
2. Rain water lakes
3. Salt solution
4. All of these
Subtopic: Origin of Life |
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Origin of life from nonliving matter is known as
1. Coacervates
2. Abiogenesis
3. Biogenesis
4. None of these
1. Coacervates
2. Abiogenesis
3. Biogenesis
4. None of these
Subtopic: Examples of Chemical Evolution | Origin of Life |
77%
From NCERT
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During the origin and evolution of life, key biological compounds were progressively synthesised in ocean with the help of energy obtained from
1. Lightening
2. Ultraviolet light
3. Lightening as well as ultra-violet light
4. Combustion of certain compounds
1. Lightening
2. Ultraviolet light
3. Lightening as well as ultra-violet light
4. Combustion of certain compounds
Subtopic: Cosmic Evolution | Examples of Chemical Evolution |
57%
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Which of the type of respiration probably arose first?
1. Aerobic as it release more energy
2. Anaerobic as it releases more energy
3. Aerobic as it is more complex
4. Anaerobic as early atmosphere contained no free from of oxygen
1. Aerobic as it release more energy
2. Anaerobic as it releases more energy
3. Aerobic as it is more complex
4. Anaerobic as early atmosphere contained no free from of oxygen
Subtopic: Origin of Life |
76%
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Who was the proponent of the Theory of Inheritance of acquired characters?
1. A.I. Oparin
2. Hugo de Vries
3. Lamarck
4. Weinberg
1. A.I. Oparin
2. Hugo de Vries
3. Lamarck
4. Weinberg
Subtopic: Theory of Evolution & Lamarckism |
82%
From NCERT
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Subtopic: Hugo De Vries Theory of Evolution |
89%
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Branching descent is one of the key concepts of
1. Lamarckian theory
2. Miller's theory
3. The Big Band theory
4. Darwinian theory
1. Lamarckian theory
2. Miller's theory
3. The Big Band theory
4. Darwinian theory
Subtopic: Darwin's Theory | Additional Theories of Darwin |
85%
From NCERT
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The palaeontological evidences are obtained from
1. Homologous structures
2. Analogous structures
3. Fossils
4. Lichens
1. Homologous structures
2. Analogous structures
3. Fossils
4. Lichens
Subtopic: Palentological Evidences of Evolution |
86%
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