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Q. No.The frequency of the recessive allele in a population at genetic equilibrium is 0.3. What is the frequency of heterozygotes in this population?
1.
0.9
2.
0.7
3.
0.42
4.
0.49
Subtopic: Hardy Weinberg Law |
73%
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What type of natural selection is shown in the given figure?
1. Stabilizing
2. Directional
3. Disruptive
4. Regressive
1. Stabilizing
2. Directional
3. Disruptive
4. Regressive
Subtopic: Natural Selection |
78%
From NCERT
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Identify the correctly matched pair:
| I. | Homo habilis | Brain capacity 650-800 cc; probably did not eat meat |
| II. | Homo erectus | Brain capacity about 900 cc; probably ate meat |
| III. | Neanderthal man | Brain capacity 1400 cc; buried their dead |
| 1. | Only I and II |
| 2. | Only I and III |
| 3. | Only II and III |
| 4. | I, II, and III |
Subtopic: Introduction to Human Evolution | Evolution of Homo Sapiens |
87%
From NCERT
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Natural selection where more individuals acquire specific character value other than the mean character value, leads to :
1. Random change
2. Stabilising change
3. Directional change
4. Disruptive change
1. Random change
2. Stabilising change
3. Directional change
4. Disruptive change
Subtopic: Natural Selection |
71%
From NCERT
NEET - 2022
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NEET 2025 - Target Batch
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NEET 2025 - Target Batch
Which of the following statements is not true?
| 1. | Flippers of penguins and dolphins are a pair of homologous organs. |
| 2. | Analogous structures are a result of convergent evolution. |
| 3. | Sweet potato and potato is an example of analogy. |
| 4. | Homology indicates common ancestry. |
Subtopic: Concept of Organic Evolution: Evidence: 1 |
81%
From NCERT
NEET - 2022
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Genetic Drift occurs due to :
1. Natural selection
2. Sudden population migration
3. Continuous gene migration
4. Mutation
Subtopic: Hardy Weinberg Law: 1 |
60%
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NEET - 2022
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Select the correct match regarding adaptive radiation of Australian marsupials corresponding to placental mammals
1. Numbat-Flying Squirrel
2. Tasmanian Wolf - Bobcat
3. Marsupial mouse- Mole
4. Spotted Cuscus - Lemur
Subtopic: Concept of Organic Evolution: Evidence |
66%
From NCERT
NEET - 2022
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Mark the incorrect match related to human ancestor and its characteristic.
| Name | Age | Character | |
| 1. | Dryopithecus | 15 mya | They were hairy and walked like gorillas and chimpanzees |
| 2. | Australopithecus | 2 mya | They hunted with stone weapons but essentially ate fruit. |
| 3. | Homo erectus | 1.5 mya | Large brain around 900 cc, probably ate meat. |
| 4. | Neanderthal man | 100000-40,000 years back | brain size of 1400 cc lived in east African grassland. |
Subtopic: Introduction to Human Evolution |
58%
From NCERT
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Mark the incorrect Match
| 1. | Flippers of penguins and Dolphins | Analogous Organ |
| 2. | Koala and Bandicoot | Adaptive Radiation |
| 3. | Lemur and spotted cuscus | Convergent Evolution |
| 4. | Sweet potato and ptato | Divergent Evolution |
Subtopic: Concept of Organic Evolution: Evidence |
81%
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Speciation occurs most frequently is populations that are
1. Sympatric
2. Undergoing disruptive selection
3. Allopatric
4. Not geographically separated
1. Sympatric
2. Undergoing disruptive selection
3. Allopatric
4. Not geographically separated
Subtopic: Concept of Speciation |
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