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Q. No.Following is the digrammatic representation of Miller's experiment. Select the correct option regarding correct labelling
A
B
C
D
1.
Electrodes
\(CH_4+NH_3+H_2+ H_2O\)
Condenser
Vaccum pump
2.
Electrodes
\(NH_3+ H_2O+CH_4\)
Hot water
Trap
3.
Electrodes
\(NH_3 + CH_4\)
Steam
Trap
4.
Electrodes
\(NH_3 + CO_2 +H_2 + H_2O\)
Hot water
Vaccum
Subtopic: Urey & Miller Experiment |
89%
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Which of the following is not true about coacervates?
1. They are solely protein aggregates
2.They do not have lipid membrane and cannot reproduce
3. The initial work on coacervates was done by Oparin
4. They are protobionts with polysaccharides proteins and water
1. They are solely protein aggregates
2.They do not have lipid membrane and cannot reproduce
3. The initial work on coacervates was done by Oparin
4. They are protobionts with polysaccharides proteins and water
Subtopic: Examples of Chemical Evolution |
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Extra-terrestrial origin of life was proposed by theory of
1. Catastrophism
2. Spontaneous Generation
3. Special Creation
4. Panspermia
1. Catastrophism
2. Spontaneous Generation
3. Special Creation
4. Panspermia
Subtopic: Other Theories of Origin of Life |
57%
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Which of the following is incorrect about coacervates in abiogenic origin of life?
1, They were partially isolated from the surroundings
2. They could maintain an internal environment
3. They were able to reproduce
4. They could separate combination of molecules from the surroundings
1, They were partially isolated from the surroundings
2. They could maintain an internal environment
3. They were able to reproduce
4. They could separate combination of molecules from the surroundings
Subtopic: Cosmic Evolution | Other Theories of Origin of Life |
53%
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Miller's experiment provided evidence for the theory of
1. Special creation
2. Abiogenesis
3. Biogenesis
4. Chemical evolution
1. Special creation
2. Abiogenesis
3. Biogenesis
4. Chemical evolution
Subtopic: Examples of Chemical Evolution | Urey & Miller Experiment |
73%
From NCERT
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Select the wrong pair:
| 1. | Haldane | : | Hot dilute soup |
| 2. | Oparin | : | Coacervate |
| 3. | Fox | : | Microspheres |
| 4. | Spallanzani | : | Abiogenesis |
Subtopic: Examples of Chemical Evolution | Other Theories of Origin of Life |
56%
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The first cellular form of life did not possibly originates till about
1. 3 billion years ago
2. 2000 million years ago
3. 4.5 billion years ago
4. 50,000 years ago
1. 3 billion years ago
2. 2000 million years ago
3. 4.5 billion years ago
4. 50,000 years ago
Subtopic: Other Theories of Origin of Life |
67%
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The theory of Special Creation has three connotations. Which of the following is not true?
1. The diversity was always the same since creation and will be the same in future also
2. Earth is about 4000 years old
3. All living organisms that we see today were created as such
4. There has been gradual evolution of life forms
1. The diversity was always the same since creation and will be the same in future also
2. Earth is about 4000 years old
3. All living organisms that we see today were created as such
4. There has been gradual evolution of life forms
Subtopic: Definition & Types of Evolution | Other Theories of Origin of Life |
79%
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The earliest cells were
1. Chemoautotrophs
2. Chemoheterotrophs
3. Eukaryotes
4. Photoautotrophs
1. Chemoautotrophs
2. Chemoheterotrophs
3. Eukaryotes
4. Photoautotrophs
Subtopic: Other Theories of Origin of Life |
69%
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Who said that "Life arises from pre-existing life"?
1. Aristotle
2. Louis Pasteur
3. Oparin
4. Darwin
1. Aristotle
2. Louis Pasteur
3. Oparin
4. Darwin
Subtopic: Other Theories of Origin of Life |
82%
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