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