- 1(current)
Q. No.Which of the following statements is incorrect?
| 1. | Life processes are consequences of reactions that occur in an organism. |
| 2. | Living organisms are made of inorganic and organic compounds. |
| 3. | Life comes from pre-existing life. |
| 4. | Genes are not responsible for the stability or changeability of species. |
Subtopic: Other Theories of Origin of Life |
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Subtopic: Cosmic Evolution | Other Theories of Origin of Life |
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All of the following are connotations of theory of special creation except
| 1. | Inheritance of acquired characters |
| 2. | All living organisms that we see today were created as such |
| 3. | Earth is about 4000 years old |
| 4. | Diversity was always the same since creation and will be the same in future also |
Subtopic: Other Theories of Origin of Life |
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The panspermia hypothesis attempts to explain the origin of life on Earth by proposing that life forms or their precursors:
| 1. | Arrived on Earth from outer space in the form of spores or microbes |
| 2. | Arose spontaneously from non-living organic molecules in early oceans |
| 3. | Were synthesised under reducing atmospheric conditions by lightning |
| 4. | Originated deep within the Earth’s crust under extreme temperatures |
Subtopic: Other Theories of Origin of Life |
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After about how many years of the formation of the earth, life appeared on this planet?
1. 500 billion years
2. 50 million years
3. 500 million years
4. 50 billion years
Subtopic: Cosmic Evolution | Other Theories of Origin of Life |
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| Assertion(A): | Evolution is not occurring at all at present. |
| Reason(R): | Evolution takes a very short time. |
| 1. | Both (A) and (R) are true and (R) is the correct explanation of (A). |
| 2. | Both (A) and (R) are true but (R) is not the correct explanation of (A). |
| 3. | (A) is true but (R) is false. |
| 4. | Both (A) and (R) are false. |
Subtopic: Other Theories of Origin of Life | A BRIEF ACCOUNT OF EVOLUTION |
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Which of the following will not counter natural selection?
1. genetic drift
2. gene flow
3. mutation
4. Unlimited resources
Subtopic: Other Theories of Origin of Life | Theory of Evolution & Lamarckism | Darwin's Theory | Additional Theories of Darwin |
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- 1(current)
Q. No.
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