Q. No.Fragmentation is not a common method of asexual reproduction in:
1. Planaria
2. Hydra
3. Filamentous algae
4. Protonema of moss
1. Planaria
2. Hydra
3. Filamentous algae
4. Protonema of moss
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The taxon ‘Division’ in plant taxonomy is used as a substitute for which of the following taxonomic categories in animal taxonomy?
| 1. | Phylum | 2. | Class |
| 3. | Order | 4. | Family |
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Panthera tigris belongs to the Felidae family. What taxonomic category does Panthera represent?
| 1. | Species | 2. | Family |
| 3. | Genus | 4. | Order |
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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
The highest category for classifying living organisms in taxonomic hierarchy will be:
| 1. | Kingdom |
| 2. | Domain |
| 3. | Supraclass |
| 4. | Phylum for animals and Division for plants |
The currently accepted definition of biological species was pioneered by:
| 1. | John Ray |
| 2. | G. G. Simpson |
| 3. | Ernst Mayr |
| 4. | Ernst Haeckel |
Maintenance of a constant internal environment in spite of an ever changing external environment by living organisms is called:
1. Hemostasis
2. Thermoregulation
3. Osmoregulation
4. Homeostasis
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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Genus represents
1. An individual plant or animal
2. A collection of plants or animals
3. Group of closely related species of plants or animals
4. None of these
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