Q. No.ICBN stands for
1. Indian Congress of Biological Name
2. International Code for Botanical Nomenclature
3. International Congress of Biological Name
4. Indian Code of Botanical Nomenclature
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Practical purpose of taxonomy or classification is to:
1. facilitate the identification of unknown species
2. explain the origin of organisms
3. know the evolutionary history
4. identify medicinal plants
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Biosystematics aims at
1. the classification of organisms based on their evolutionary history and establishing their phylogeny on the totality of various parameters from all fields of studies
2. identification and arrangement of organism on the basis of their cytological characteristics
3. the classification of organisms based on broad morphological characters
4. delimiting various taxa of organisms and establishing their relationships
The currently accepted definition of biological species was pioneered by:
| 1. | John Ray | 2. | G. G. Simpson |
| 3. | Ernst Mayr | 4. | Ernst Haeckel |
Taxonomic key is one of the taxonomic tools in the identification and classification of plants and animals. It is used in the preparation of
1. Monographs
2. Flora
3. Both 1 and 2
4. None of the above
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The label of a herbarium sheet does not carry information on
| 1. | date of collection | 2. | name of collector |
| 3. | local names | 4. | height of the plant |
One of the most important functions of botanical gardens is that
1. one can observe tropical plants there
2. they allow ex situ conservation of germplasm
3. they provide the natural habitat for wildlife
4. they provide a beautiful area for recreation
Which one of the following is not a correct statement?
1. Botanical gardens have collection of living plants for reference
2. A museum has collection of photographs of plants and animals
3. Key is taxonomic aid for identification of specimens
4. herbarium houses dried, pressed and preserved plant specimens
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A store house of collected plant specimens that are dried, pressed and preserved on sheets is called as:
1. Herbarium
2. Monograph
3. Flora
4. Manual
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Keys in which the choices allow only two (mutually exclusive) alternative couplets are known as:
1. Dichotomous keys
2. Poly clave keys
3. Indented keys
4. Bracketed keys
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