Q. No.What does fitness mean in Darwinian evolution?
| 1. | Fitness is determined by an organism's physical strength and size. |
| 2. | Only the fastest and strongest individuals are considered fit in Darwinian evolution. |
| 3. | Fitness refers to an organism’s ability to survive and reproduce successfully in a given environment. |
| 4. | Fitness is unrelated to genetic inheritance and is purely a random occurrence |
Subtopic: Darwin's Theory |
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Theory of "Orgin of species by Natural Selection" was given by
1. Darwin
2. Mendel
3. Lamarck
4. Wallace
Subtopic: Darwin's Theory |
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Darwin’s idea of natural selection refers to:
| 1. | The idea that species are created by divine forces at different periods. |
| 2. | The notion that evolution is predetermined and does not depend on environmental changes. |
| 3. | The process where individuals with traits better suited to their environment are more likely to survive and reproduce. |
| 4. | The theory that Earth’s biological history is unrelated to its geological history. |
Subtopic: Darwin's Theory |
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The naturalist who had the similar observations as that of Darwin was…
| 1. | Alfred Wallace | 2. | Oparin |
| 3. | Haldane | 4. | L. Miller |
Subtopic: Darwin's Theory | Additional Theories of Darwin | Population Genetics | Concept of Organic Evolution: Evidence |
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Which statement best describes the theory of natural selection proposed by Darwin?
| 1. | The fittest individuals produce the most offspring and are selected by nature. |
| 2. | Evolution occurs through sudden mutations without environmental influence. |
| 3. | All individuals in a population have equal chances of survival and reproduction. |
| 4. | Evolution is a predetermined and directed process. |
Subtopic: Darwin's Theory | Additional Theories of Darwin |
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Which of the following best explains why Darwin’s theory suggests that organisms with advantageous traits leave more progeny?
| 1. | Populations grow exponentially without any limitation from resources or environment. |
| 2. | Organisms with disadvantageous traits die immediately and do not reproduce at all. |
| 3. | Advantageous traits improve survival and reproduction, leading to more offspring over generations, thereby changing the population characteristics. |
| 4. | Evolution occurs through random mutation alone, without environmental pressures. |
Subtopic: Darwin's Theory |
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Complete the analogy and choose the correct option
Charles Darwin: Galapagos islands :: Alfred Wallace : _____________
1. Malay Archipelago
2. Australia
3. South America
4. North America
Charles Darwin: Galapagos islands :: Alfred Wallace : _____________
1. Malay Archipelago
2. Australia
3. South America
4. North America
Subtopic: Theory of Evolution & Lamarckism | Darwin's Theory |
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“An Essay on the Principle of Population” that possibly influenced both Darwin and Wallace was written by:
1. JBS Haldane
2. T R Malthus
3. Eldregde and Gould
4. Georges Cuvier
Subtopic: Darwin's Theory |
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| Assertion (A): | As per Darwin, over many generations, survivors will leave more progenies. |
| Reason (R): | Survivors have variations that make resource utilization better for them. |
| 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. | (A) is false, but (R) is true. |
Subtopic: Theory of Evolution & Lamarckism | Darwin's Theory | Summary of Darwin's Theory | Modern Theory of Evolution |
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The theory of special creation was strongly challenged during the nineteenth century on the basis of observations made:
| 1. | During a sea voyage in a sailing ship called H.M.S. Beagle around Europe |
| 2. | During a sea voyage in a sailing ship called M.H.S. Beagle around Africa |
| 3. | During a sea voyage in a sailing ship called H.M.S. Beagle around the world |
| 4. | During a sea voyage in a sailing ship called M.H.S. Beagle around the world |
Subtopic: Darwin's Theory | Additional Theories of Darwin |
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