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Q. No.Consider the two statements:
Statement I:
Systematics takes into account evolutionary relationships between organisms.
Statement II:
Taxonomy takes into account only some easily observable external characters of organisms.
1. Statement I is correct; Statement II is correct
2. Statement I is incorrect; Statement II is correct
3. Statement I is correct; Statement II is incorrect
4. Statement I is incorrect; Statement II is incorrect
Subtopic: Systematics & Type study |
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From NCERT
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Study the Assertion statement followed by the Reason statement given below:
| Assertion (A): | Higher the taxonomic category, greater is the difficulty of determining the relationship to other taxa at the same level. |
| Reason (R): | Lower the taxa, more are the characteristics that the members within the taxon share. |
| 1. | (A) is True and (R) is False. |
| 2. | Both (A) and (R) are True and (R) is a correct explanation of (A). |
| 3. | Both (A) and (R) are True but (R) is not a correct explanation of (A). |
| 4. | (A) is False and (R) is True. |
Subtopic: Systematics & Type study |
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The number of correct statements from the given statements is:
1. 0
2. 1
3. 3
4. 4
| a. | Wheat belongs to the Order ‘Sapindales’. |
| b. | Housefly belongs to the Order ‘Hymenoptera’. |
| c. | Mango belongs to the Class ‘Monocotyledonae’. |
| d. | Man belongs to the Family ‘Primata’. |
2. 1
3. 3
4. 4
Subtopic: Taxonomy 3: From Family to Classification of Some Organisms |
55%
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The lowest category of plants that is characterised on the basis of both vegetative and reproductive features is
1. Genus
2. Species
3. Class
4. Family
1. Genus
2. Species
3. Class
4. Family
Subtopic: Taxonomy 2: Classification up to Genus | Taxonomy 3: From Family to Classification of Some Organisms |
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Which of the following taxonomic category is less common in characters as compared to the taxonomic category ‘Genus’?
| 1. | Species | 2. | Division |
| 3. | Class | 4. | Family |
Subtopic: Taxonomy 3: From Family to Classification of Some Organisms |
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Consider the given statements:
| I: | Lion, leopard and tiger belong to the same species |
| II: | Lion, leopard, tiger and cats belong to same genus |
| III: | Lion, leopard, tiger, cats and dogs belong to same family |
| 1. | Only III is correct | 2. | Only II is correct |
| 3. | Only I is incorrect | 4. | I, II and III are incorrect |
Subtopic: Taxonomy 2: Classification up to Genus | Taxonomy 3: From Family to Classification of Some Organisms |
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| Assertion (A): | Characterisation, identification, classification and nomenclature are the processes that are basic to taxonomy. |
| Reason (R): | The structural, developmental and ecological information of an organism is important for taxonomic studies. |
| 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: Taxonomy 1: Nomenclature |
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Consider the given two statements:
| Statement I: | Taxa can indicate categories at very different levels. |
| Statement II: | Taxonomic groups/categories are not distinct biological entities but are merely morphological aggregates. |
| 1. | Statement I is correct and Statement II is also correct |
| 2. | Statement I is incorrect and Statement II is correct |
| 3. | Statement I is incorrect and Statement II is also incorrect |
| 4. | Statement I is correct and Statement II is incorrect |
Subtopic: Taxonomy 1: Nomenclature | Taxonomy 2: Classification up to Genus | Taxonomy 3: From Family to Classification of Some Organisms |
53%
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Consider the given two statements:
1. Statement I is correct; Statement II is correct
2. Statement I is correct; Statement II is incorrect
3. Statement I is incorrect; Statement II is correct
4. Statement I is incorrect; Statement II is incorrect
| Statement I: | Taxonomists have been able to identify a vast majority of species present on Earth. |
| Statement II: | The number of species that are known and described range between 1.7-1.8 million. |
1. Statement I is correct; Statement II is correct
2. Statement I is correct; Statement II is incorrect
3. Statement I is incorrect; Statement II is correct
4. Statement I is incorrect; Statement II is incorrect
Subtopic: Taxonomy 1: Nomenclature | Taxonomy 2: Classification up to Genus | Taxonomy 3: From Family to Classification of Some Organisms | Diversity in the Living World |
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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
| Statement I: | All organisms, from prokaryotes to the most complex eukaryotes can sense to environmental cues |
| Statement II: | Order and other higher taxonomic categories are not identified based on the aggregates of characters. It is the assemblage of genera which exhibit few similar characters. |
| 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: Taxonomy 2: Classification up to Genus |
56%
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