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
Two plants can be conclusively said to belong to the same species if they
1. can reproduce freely with each other and form seeds
2. have more than 90 percent similar genes
3. look similar and possess identical secondary metabolites
4. have same number of chromosomes
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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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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Which of the following is less general in characters as compared to genus?
1. | Species | 2. | Division |
3. | Class | 4. | Family |
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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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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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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
The currently accepted definition of biological species was pioneered by:
1. | John Ray | 2. | G. G. Simpson |
3. | Ernst Mayr | 4. | Ernst Haeckel |
Fragmentation is not a common method of asexual reproduction in:
1. Planaria
2. Hydra
3. Filamentous algae
4. Protonema of moss
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