Q. No.Arrange the following plant groups in the order of their evolutionary appearance:
| I. | Angiosperms |
| II. | Bryophytes |
| III. | Gymnosperms |
| IV. | Pteridophytes |
| 1. | II → IV → III → I | 2. | I → II → III → IV |
| 3. | IV → II → I → III | 4. | II → III → IV → I |
Subtopic: Classification System |
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Subtopic: Classification System: I | Classification System |
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Which of the following correctly defines a phylogenetic system of classification?
| 1. | Classification based only on similarities in external features |
| 2. | Classification based on evolutionary relationships among organisms |
| 3. | Classification based on habitat and mode of life |
| 4. | Classification based on utility to humans |
Subtopic: Classification System |
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According to phylogenetic classification organisms
belonging to same taxa
| 1. | Are same in anatomy. |
| 2. | Have same genetic constituent. |
| 3. | Have a common ancestor. |
| 4. | Have all characteristics same |
Subtopic: Classification System: I | Classification System: II | Classification System |
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Cytotaxonomy
| 1. | Based on cytological information like chromosome number |
| 2. | Based on cytological information like chromosome structure |
| 3. | Based on cytological information like chromosome behavior |
| 4. | All of these |
Subtopic: Classification System: I | Classification System |
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Which of the following classification is now easily carried out using computers is based on all observable characteristics?
| 1. | Natural classification |
| 2. | Artificial classification |
| 3. | Practical classification |
| 4. | Numerical classification |
Subtopic: Classification System |
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The artificial system of classification given by Linnaeus was mainly based on which characters?
| 1. | Vegetative characters androecium structure |
| 2. | Internal features like anatomy and embryology |
| 3. | Cytological information like chromosome number |
| 4. | Chemical constituents of plants |
Subtopic: Classification System |
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In numerical taxonomy
| 1. | All the characters are given equal importance |
| 2. | All the characters are given unequal importance |
| 3. | And at the same time, hundreds of characters can be considered |
| 4. | Both 1 and 3 |
Subtopic: Classification System: I | Classification System |
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Artificial systems gave equal weightage to
| 1. | Morphological and anatomical characters. |
| 2. | Vegetative and sexual characters. |
| 3. | Vegetative and anatomical characters. |
| 4. | Morphological and sexual characters. |
Subtopic: Classification System: I | Classification System: II | Classification System |
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Carlous Linnaeus system is an artificial system because it is
| 1. | Phylogenetic.
|
| 2. | Based on evolutionary trends.
|
| 3. | Based on number of characters.
|
| 4. | Based on a few characters of superficial similarities and dissimilarities on morphology. |
Subtopic: Classification System: I | Classification System |
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