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Q. No.In 1953, S.L. Miller in his experiment created electric discharge in closed flask containing CH4, H2, NH3 and water vapour at
1. 750ºC
2. 800ºC
3. 850ºC
4. 700ºC
Subtopic: Urey & Miller Experiment |
93%
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Given below are two statements:
In light of the above statements, choose the most appropriate answer from the options given below:
1. Both statement I and statement II are true.
2. Both statement I and statement II are false.
3. Statement I is correct but statement II is false.
4. Statement I is incorrect but statement II is true.
| Statement I: | In England, during the Industrial Revolution, the black-colored form of Biston Betularia became dominant over the light-colored form of moth because of natural selection, the darker forms were selected. |
| Statement II: | Prior to the Industrial Revolution, the peppered moths exhibited protective mimicry and the light-colored moths were not noticed by predatory birds due to light-colored lichens on the bark of trees. |
1. Both statement I and statement II are true.
2. Both statement I and statement II are false.
3. Statement I is correct but statement II is false.
4. Statement I is incorrect but statement II is true.
Subtopic: Concept of Organic Evolution: Evidence |
82%
From NCERT
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Given below are two statements:
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
| 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%
From NCERT
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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 |
94%
From NCERT
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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 |
89%
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%
From NCERT
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 |
70%
From NCERT
NEET - 2022
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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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The brain capacities of Homo habilis is
1. Between 1200 - 1300 cc
2. 1400 cc
3. 650 - 880 cc
4. Between 1300 - 1350 cc
1. Between 1200 - 1300 cc
2. 1400 cc
3. 650 - 880 cc
4. Between 1300 - 1350 cc
Subtopic: Evolution of Homo Sapiens |
93%
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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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