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