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