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