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