MCQs Botany-34 Posted on October 21, 2025December 3, 2025Author agropublishers 0 MCQs Botany-34 1. The main role of cellulose in plants is to _________ Facilitate photosynthesis Regulate water transport Provide structural support Store energy 2. How are onions often used in cooking? As a flavor enhancer As a sweetener As a thickening agent As a garnish 3. Land degradation and erosion are fundamentally associated to ____________________ Deforestation Water availability Natural resource management Drought 4. Frost damage in crops is primarily caused by______________ Ice crystal formation inside tissues Low relative humidity High respiration at night Reduced photosynthesis 5. Which of the following transport mechanisms does NOT require energy? Active transport Facilitated diffusion Endocytosis Simple diffusion 6. The overproduction of Reactive Oxygen Species, such as superoxide radicals and hydrogen peroxide, during both abiotic and biotic stresses primarily results in ____________ A higher rate of carbon fixation Oxidative damage to cellular components Increased stomatal conductance Enhanced nutrient uptake 7. ___________ the process of intentionally adding beneficial fungi to a plant’s root system to establish a symbiotic relationship, where the fungi help the plant absorb nutrients like phosphorus and nitrogen from the soil in exchange for carbon Tillage Rhizobium fixation Fertilization Mycorrhizal inoculation 8. The most common sugar in hemicellulose, especially in hardwoods and cereals, is ___________ Galactose Ribose Xylose Fructose 9. Tobacco (Nicotiana tabacum) has diploid chromosome number (2n) = _________ 30 48 38 42 10. The Svalbard Global Seed Vault is located in ___________ Norway Sweden Finland Denmark Loading … Question 1 of 10
