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Q. No.Given below are two statements:
Statement I:
Mutations are random and direction less, while Darwinian variations are small and directional.
Statement II:
Darwin's finches represent one of the best examples of adaptive radiation.
In the light of the above statements, choose the most appropriate answer from the options given below:
1. Both statement I and statement II are correct
2. Both statement I and statement II are incorrect
3. Statement I is correct but statement II is incorrect
4. Statement I is incorrect but statement II is correct
Subtopic: Darwin's Theory | Hugo De Vries Theory of Evolution |
92%
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Match List I with List II:
Choose the correct answer from the options given below:
1. A-(I), B-(II), C-(III), D-(IV)
2. A-(IV), B-(III), C-(I), D-(II)
3. A-(III), B-(I), C-(IV), D-(II)
4. A-(III), B-(I), C-(II), D-(IV)
| List I | List II |
| A. Homologous | I. Convergent evolution |
| B. Paralogous | II. Speciation |
| C. Analogous | III. Gene duplication |
| D. Orthologous | IV. Divergent evolution |
1. A-(I), B-(II), C-(III), D-(IV)
2. A-(IV), B-(III), C-(I), D-(II)
3. A-(III), B-(I), C-(IV), D-(II)
4. A-(III), B-(I), C-(II), D-(IV)
Subtopic: Embryological Evidence of Evolution | Palentological Evidences of Evolution |
95%
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The eye of Octopus and eye of cat show different patterns of structure, yet they perform similar function. This is an example of
1. homologous organs that have evolved due to divergent evolution
2. analogous organs that have evolved due to convergent evolution
3. analogous organs that have evolved due to divergent evolution
4. homologous organs that have evolved due to convergent evolution
1. homologous organs that have evolved due to divergent evolution
2. analogous organs that have evolved due to convergent evolution
3. analogous organs that have evolved due to divergent evolution
4. homologous organs that have evolved due to convergent evolution
Subtopic: Concept of Organic Evolution: Evidence |
90%
From NCERT
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Panspermia, an idea that is still a favorite for some astronomers, means:
| 1. | Creation of life from dead and decaying matter |
| 2. | Creation of life from chemicals |
| 3. | Origin of sperm in human testes |
| 4. | Transfer of spores as a unit of life from other planets of Earth |
Subtopic: Origin of Life |
87%
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NEET - 2022
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Select the correct statement regarding the mutation theory of evolution:
| 1. | This theory was proposed by Alfred Wallace. |
| 2. | Variations are small directional changes. |
| 3. | Single-step large mutation is a cause of speciation. |
| 4. | Large differences due to mutations arise gradually in a population. |
Subtopic: Mechanism of Evolution |
71%
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Match column-I with column-II and select the correct option:
| Column I | Column II | ||
| (a) | Louis Pasteur | (i) | Chemical evolution theory |
| (b) | Early Greek thinkers | (ii) | Inheritance of acquired characters |
| (c) | Oparin and Haldane | (iii) | Disapproved spontaneous generation theory |
| (d) | Lamarck | (iv) | Cosmozoic theory |
| Options: | (a) | (b) | (c) | (d) |
| 1. | (iii) | (iv) | (i) | (ii) |
| 2. | (iv) | (iii) | (ii) | (i) |
| 3. | (ii) | (i) | (iii) | (iv) |
| 4. | (i) | (ii) | (iii) | (iv) |
Subtopic: Examples of Chemical Evolution | Urey & Miller Experiment | Other Theories of Origin of Life | Theory of Evolution & Lamarckism | A BRIEF ACCOUNT OF EVOLUTION |
91%
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Assertion (A): Adaptive ability is inherited.
Reason (R): Individuals having heritable and useful variations reproduce better and leave more progeny.
In the light of above statements, select the correct answer from the following options.
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
Reason (R): Individuals having heritable and useful variations reproduce better and leave more progeny.
In the light of above statements, select the correct answer from the following options.
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: Concept of Organic Evolution: Evidence |
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Read the following statements and choose the correct option.
| Statement (A): | Change in gene frequency in a small population by chance is known as genetic drift. |
| Statement (B): | When gene migration occurs between A and B population, gene frequencies change in both the populations. |
| 1. | Both statements (A) and (B) are correct |
| 2. | Both statements (A) and (B) are incorrect |
| 3. | Only statement (A) is correct |
| 4. | Only statement (B) is correct |
Subtopic: Hardy Weinberg Law |
83%
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How many statements given below are incorrect?
1. Three
2. Two
3. One
4. Four
| (a) | Homo erectus fossil was discovered in Java in 1981. |
| (b) | The Neanderthal man lived in near east and central Africa between 75,000–10,000 years ago. |
| (c) | Australopithecines were probably taller than 4 feet but did not walk upright. |
| (d) | Few fossils of man-like bones have been discovered in Ethiopia and Tanzania. |
1. Three
2. Two
3. One
4. Four
Subtopic: Introduction to Human Evolution | Evolution of Homo Sapiens |
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Select the incorrect match.
1. First cellular forms of life – Appeared 2 bya
2. First organisms that invaded land – Plants
3. Sea weeds and few plants – Existed probably around 320 mya
4. Icthyosaurs – Fish-like amphibians
1. First cellular forms of life – Appeared 2 bya
2. First organisms that invaded land – Plants
3. Sea weeds and few plants – Existed probably around 320 mya
4. Icthyosaurs – Fish-like amphibians
Subtopic: Definition & Types of Evolution | A BRIEF ACCOUNT OF EVOLUTION |
51%
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