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Q. No.Which one of the following factors will not affect the Hardy-Weinberg equilibrium?
1. Genetic drift
2. Gene migration
3. Constant gene pool
4. Genetic recombination
Subtopic: Hardy Weinberg Law: 1 |
80%
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NEET - 2024
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The flippers of the Penguins and Dolphins are the example of:
1. Natural selection
2. Convergent evolution
3. Divergent evolution
4. Adaptive radiation
1. Natural selection
2. Convergent evolution
3. Divergent evolution
4. Adaptive radiation
Subtopic: Biological Evolution |
72%
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NEET - 2024
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Match List I with List II:
Choose the correct answer from the options given below:
1. A-III, B-I, C-II, D-IV
2. A-I, B-II, C-IV, D-III
3. A-III, B-I, C-IV, D-II
4. A-II, B-I, C-III, D-IV
| List I | List II | ||
| A. | Mesozoic Era | I. | Lower invertebrates |
| B. | Proterozoic Era | II. | Fish & Amphibia |
| C. | Cenozoic Era | III. | Birds & Reptiles |
| D. | Paleozoic Era | IV. | Mammals |
Choose the correct answer from the options given below:
1. A-III, B-I, C-II, D-IV
2. A-I, B-II, C-IV, D-III
3. A-III, B-I, C-IV, D-II
4. A-II, B-I, C-III, D-IV
Subtopic: Biological Evolution |
50%
From NCERT
NEET - 2024
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The animal coelacanth caught in South Africa is an example of vertebrate transition from:
1. Fish to Amphibia
2. Amphibia to Reptilia
3. Reptilia to Bird
4. Reptilia to Mammal
1. Fish to Amphibia
2. Amphibia to Reptilia
3. Reptilia to Bird
4. Reptilia to Mammal
Subtopic: A BRIEF ACCOUNT OF EVOLUTION |
67%
From NCERT
NEET - 2024
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Assuming Hardy Weinberg's Principle, in a certain population, the frequencies of three genotype are as follows:
What is the likely frequency of 'A' and 'a' alleles?
1. 53% and 47%
2. 40% and 60%
3. 50% and 50%
4. 30% and 70%
| Genotypes | AA | Aa | aa |
| Frequency | 22% | 62% | 16% |
What is the likely frequency of 'A' and 'a' alleles?
1. 53% and 47%
2. 40% and 60%
3. 50% and 50%
4. 30% and 70%
Subtopic: Hardy Weinberg Law |
54%
NEET - 2024
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Given below are some stages of human evolution. Arrange them in the correct sequence (Past to Recent):
A. Homo habilis
B. Homo sapiens
C. Homo neanderthalensis
D. Homo erectus
Choose the correct sequence of human evolution from the options given below :
1. B-A-D-C
2. C-B-D-A
3. A-D-C-B
4. D-A-C-B
A. Homo habilis
B. Homo sapiens
C. Homo neanderthalensis
D. Homo erectus
Choose the correct sequence of human evolution from the options given below :
1. B-A-D-C
2. C-B-D-A
3. A-D-C-B
4. D-A-C-B
Subtopic: Evolution of Homo Sapiens |
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From NCERT
NEET - 2024
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The frequency of an allele in a population is ultimately decided by:
| 1. | Dominance |
| 2. | Whether it is autosomal linked or sex linked |
| 3. | Forces such as natural selection |
| 4. | The number of alleles present for a particular gene |
Subtopic: Natural Selection |
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The ultimate source of allelic variations in a population is:
1. Recombination
2. Mutation
3. Genetic drift
4. Gene flow
1. Recombination
2. Mutation
3. Genetic drift
4. Gene flow
Subtopic: Population Genetics |
59%
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Which of the following types of natural selection narrows the phenotypic range by selecting against phenotypic extremes?
1. disruptive selection.
2. stabilizing selection.
3. directional selection.
4. neutral selection.
1. disruptive selection.
2. stabilizing selection.
3. directional selection.
4. neutral selection.
Subtopic: Hardy Weinberg Law: 1 |
57%
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Consider the given two statements:
| Assertion (A): | Variations on which natural selection acts, arise as a result of random mutations. |
| Reason (R): | A new variation may, or may not, be adaptive. |
| 1. | Both (A) and (R) are True but (R) does not correctly explain (A). |
| 2. | Both (A) and (R) are True and (R) correctly explains (A). |
| 3. | (A) is False and (R) is also False. |
| 4. | (A) is True but (R) is False. |
Subtopic: Darwin's Theory |
57%
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