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Q. No.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
1. Numbat-Flying Squirrel
2. Tasmanian Wolf - Bobcat
3. Marsupial mouse- Mole
4. Spotted Cuscus - Lemur
Subtopic: Concept of Organic Evolution: Evidence |
66%
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NEET - 2022
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NEET 2025 - Target Batch
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%
From NCERT
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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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Natural selection assisted by anthropogenic action makes the process of evolation
1. Saltatory and stochastic
2. Gradual and determined
3. Saltatory and punctuated
4. Gradual and stochastic
1. Saltatory and stochastic
2. Gradual and determined
3. Saltatory and punctuated
4. Gradual and stochastic
Subtopic: Concept of Speciation |
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A: Analogous structures are a result of convergent evolution
R: More than one adaptive radiation appeared to have occurred in an isolated geographical area, is the convergent evolution
In the following questions a statement of assertion (A) is followed by a statement of reason (R).
1. If both Assertion & Reason are true and the reason is the correct explanation of the assertion, then mark (1)
2. If both Assertion & Reason are true but the reason is not the correct explanation of the assertion, then mark (2)
3. If Assertion is true statement but Reason is false, then mark (3)
4. If both Assertion and Reason are false statements, then mark (4)
R: More than one adaptive radiation appeared to have occurred in an isolated geographical area, is the convergent evolution
In the following questions a statement of assertion (A) is followed by a statement of reason (R).
1. If both Assertion & Reason are true and the reason is the correct explanation of the assertion, then mark (1)
2. If both Assertion & Reason are true but the reason is not the correct explanation of the assertion, then mark (2)
3. If Assertion is true statement but Reason is false, then mark (3)
4. If both Assertion and Reason are false statements, then mark (4)
- If both the assertion and the reason are true and the reason is a correct explanation of the assertion
- If both the assertion and reason are true but the reason is not a correct explanation of the assertion
- If the assertion is true but the reason is false
- If both the assertion and reason are false
Subtopic: Sources of Variation |
67%
From NCERT
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Which of the following statement is true about genetic drift?
1. If operates in large populations
2. If always eliminates favourable allele from a population.
3. If work in opposite to natural selection
4. If can not fix non-adaptive trait in a population
1. If operates in large populations
2. If always eliminates favourable allele from a population.
3. If work in opposite to natural selection
4. If can not fix non-adaptive trait in a population
Subtopic: Concept of Speciation |
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A: Pre-existing advantageous mutations when selected will result in observation of new phenotype.
R: In small populations natural selection has less role to play in fixing a mutated gene or a gene combination.
In the following questions a statement of assertion (A) is followed by a statement of reason (R).
1. If both Assertion & Reason are true and the reason is the correct explanation of the assertion, then mark (1)
2. If both Assertion & Reason are true but the reason is not the correct explanation of the assertion, then mark (2)
3. If Assertion is true statement but Reason is false, then mark (3)
4. If both Assertion and Reason are false statements, then mark (4)
R: In small populations natural selection has less role to play in fixing a mutated gene or a gene combination.
In the following questions a statement of assertion (A) is followed by a statement of reason (R).
1. If both Assertion & Reason are true and the reason is the correct explanation of the assertion, then mark (1)
2. If both Assertion & Reason are true but the reason is not the correct explanation of the assertion, then mark (2)
3. If Assertion is true statement but Reason is false, then mark (3)
4. If both Assertion and Reason are false statements, then mark (4)
- If both the assertion and the reason are true and the reason is a correct explanation of the assertion
- If both the assertion and reason are true but the reason is not a correct explanation of the assertion
- If the assertion is true but the reason is false
- If both the assertion and reason are false
Subtopic: Hugo De Vries Theory of Evolution | Modern Theory of Evolution |
55%
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A:
Ginkgo
biloba is living fossil.
R: Organism which have persisted and remain unchanged for the past several million years while their relatives disappeared.
In the following questions a statement of assertion (A) is followed by a statement of reason (R).
1. If both Assertion & Reason are true and the reason is the correct explanation of the assertion, then mark (1)
2. If both Assertion & Reason are true but the reason is not the correct explanation of the assertion, then mark (2)
3. If Assertion is true statement but Reason is false, then mark (3)
4. If both Assertion and Reason are false statements, then mark (4)
R: Organism which have persisted and remain unchanged for the past several million years while their relatives disappeared.
In the following questions a statement of assertion (A) is followed by a statement of reason (R).
1. If both Assertion & Reason are true and the reason is the correct explanation of the assertion, then mark (1)
2. If both Assertion & Reason are true but the reason is not the correct explanation of the assertion, then mark (2)
3. If Assertion is true statement but Reason is false, then mark (3)
4. If both Assertion and Reason are false statements, then mark (4)
- If both the assertion and the reason are true and the reason is a correct explanation of the assertion
- If both the assertion and reason are true but the reason is not a correct explanation of the assertion
- If the assertion is true but the reason is false
- If both the assertion and reason are false
Subtopic: Palentological Evidences of Evolution |
67%
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A:
Some mutations are spontaneous, others are due to environmental mutagens.
R: Mutations due to replication errors are very rare.
In the following questions a statement of assertion (A) is followed by a statement of reason (R).
1. If both Assertion & Reason are true and the reason is the correct explanation of the assertion, then mark (1)
2. If both Assertion & Reason are true but the reason is not the correct explanation of the assertion, then mark (2)
3. If Assertion is true statement but Reason is false, then mark (3)
4. If both Assertion and Reason are false statements, then mark (4)
R: Mutations due to replication errors are very rare.
In the following questions a statement of assertion (A) is followed by a statement of reason (R).
1. If both Assertion & Reason are true and the reason is the correct explanation of the assertion, then mark (1)
2. If both Assertion & Reason are true but the reason is not the correct explanation of the assertion, then mark (2)
3. If Assertion is true statement but Reason is false, then mark (3)
4. If both Assertion and Reason are false statements, then mark (4)
- If both the assertion and the reason are true and the reason is a correct explanation of the assertion
- If both the assertion and reason are true but the reason is not a correct explanation of the assertion
- If the assertion is true but the reason is false
- If both the assertion and reason are false
Subtopic: Modern Theory of Evolution |
64%
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