MCQs Botany-5 Posted on 2024-02-192024-11-08Author admin 0 MCQs Botany-5 Multiple Choice Questions (MCQs) for Test Preparation Botany, Plant Sciences 1. ________________hormone commonly known as a stimulator of seed dormancy stimulation in plants. Cytokinin Abscisic acid Ethylene Gibberellin 2. Allelopathy is an important component in the development of future integrated strategies for____________ Irrigation management Weed management Fruit management Soil management 3. Cryopreservation is a technique used for ________________ Increasing drought tolerance Long-term storage of plant germplasm Rapid multiplication of plant shoots Enhancing seed germination 4. ________________ phytochemicals are involve in plant defense against herbivores Proteins Terpenoids Starch Fats 5. _______________ developed the system of binomial nomenclature for plants Thomas Malthus Charles Darwin Carl Linnaeus Gregor Mendel 6. Micropropagation refers to the rapid multiplication of plants using________ Seeds Cutting Tissue culture Grafting 7. Somaclones are plants regenerated from____________ Pollen grains Non-reproductive cells Seeds Root tips 8. when glucosinolates are broken down, by myrosinase, _________ are formed. Phenolic acids Isothiocyanates Lectins Terpenoids 9. ___________ is the scientific name tea plant Olea europaea Aloe barbadensis Vanilla planifolia Camellia sinensis 10. ___________ is the scientific name rubber plant Camellia sinensis Hevea brasiliensis Aloe barbadensis Olea europaea 11. _______ of the following is NOT typically studied by ethnobotanists Culinary uses of local plants Chemical composition of plant cells Ritualistic significance of plants in specific cultures Medicinal uses of plants by different cultures 12. _________________is the botanical name for the common orange tree Phoenix dactylifera Citrullus lanatus Citrus sinensis Annona cherimola 13. ________________hormone promotes senescence in plants. Ethylene Gibberellin Cytokinin Auxin 14. _______________ is the role of xylem in plants Transportation of photosynthates Transportation of sugars from leaves to other parts of the plant Regulation of water uptake Transportation of water and minerals from roots to other parts of the plant 15. ________________hormone breaks seed dormancy in plants. Abscisic acid Ethylene Cytokinin Gibberellin 16. ___________ is the family of coffee plant Malvaceae Fabaceae Poaceae Rubiaceae 17. _________ technique is associated with rapid plant propagation Genetic Engineering Bioremediation Fermentation Tissue culture 18. ________________hormone is used to stimulate root development in tissue culture. Gibberellin Ethylene Auxin Cytokinin 19. ___________ is the scientific name of Aloe vera plant Camellia sinensis Olea europaea Aloe barbadensis Vanilla planifolia 20. Golden rice is genetically modified for _____________ fortification Zinc Protein Iron Vitamin A Loading …