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