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 _________ Provide structural support Facilitate photosynthesis Store energy Regulate water transport 2. The Svalbard Global Seed Vault is located in ___________ Finland Sweden Norway Denmark 3. The most common sugar in hemicellulose, especially in hardwoods and cereals, is ___________ Xylose Galactose Fructose Ribose 4. Frost damage in crops is primarily caused by______________ Low relative humidity Reduced photosynthesis Ice crystal formation inside tissues High respiration at night 5. Land degradation and erosion are fundamentally associated to ____________________ Deforestation Drought Natural resource management Water availability 6. Tobacco (Nicotiana tabacum) has diploid chromosome number (2n) = _________ 38 30 42 48 7. Which of the following transport mechanisms does NOT require energy? Active transport Endocytosis Simple diffusion Facilitated diffusion 8. ___________ 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 Fertilization Rhizobium fixation Mycorrhizal inoculation Tillage 9. How are onions often used in cooking? As a garnish As a thickening agent As a flavor enhancer As a sweetener 10. 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 Increased stomatal conductance A higher rate of carbon fixation Oxidative damage to cellular components Loading … Question 1 of 10