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Q. No.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 |
72%
From NCERT
NEET - 2022
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NEET 2026 - Target Batch - Vital
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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 |
83%
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 |
62%
From NCERT
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 |
69%
From NCERT
NEET - 2022
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Speciation occurs most frequently is populations that are
| 1. | Sympatric |
| 2. | Undergoing disruptive selection |
| 3. | Allopatric |
| 4. | Not geographically separated |
Subtopic: Concept of Speciation |
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| Assertion(A): | Analogous structures are a result of convergent evolution |
| Reason(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. | Both (A) & (R) are true and (R) is the correct explanation of (A) |
| 2. | Both (A) & (R) are true but (R) is not the correct explanation of (A) |
| 3. | (A) is true but (R) is false |
| 4. | Both (A) and (R) are false statements |
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 |
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 |
56%
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| Assertion(A): | Ginkgo biloba is living fossil. |
| Reason(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. | Both (A) & (R) are true and (R) is the correct explanation of (A) |
| 2. | Both (A) & (R) are true but (R) is not the correct explanation of (A) |
| 3. | (A) is true but (R) is false |
| 4. | Both (A) and (R) are false |
Subtopic: Palentological Evidences of Evolution |
69%
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