MCQs Agronomy-48 Posted on February 2, 2025August 30, 2025Author agropublishers 0 1. Which of the following poses a significant challenge to global food security? Crop diversification Sustainable farming practices Climate change Agroecology 2. which of the following crops is grown for grain, green manure and fodder Lentil Red gram Cowpea Chickpea 3. Plants can’t utilize atmospheric nitrogen directly, mainly due to —- Low water solubility of Nitrogen Strong diatomic triple bonds of Nitrogen High molecular weight of Nitrogen Lack of chlorophyll 4. Which of the following is known as the “king of cereal crops”? Barley Wheat Rice Maize 5. Which of the following crops is NOT included in the DSSAT crop growth simulation model? Soybean Wheat Banana Maize 6. What is the primary function of chlorophyll in plants? Root development Nutrient transport Photosynthesis Water absorption 7. ———- is the primary benefit of biological nitrogen fixation to agriculture. Improves soil texture Increases crop water requirements Promotes soil erosion Reduced chemical fertilizer requirement 8. ————- is a fertilizer used in agriculture to supplement nitrogen in the soil for plant uptake. It is also a highly explosive material. It is also known as an explosive fertilizer None of these Sodium nitrate Ammonium nitrate Urea 9. What is the main advantage of hybrid seeds compared to traditional varieties? Higher crop yields and disease resistance Reduced water requirements Lower input costs Natural propagation without human intervention 10. What is the contribution of smallholder farmers to global food security? They primarily promote monoculture systems They are irrelevant to food security They rely exclusively on synthetic inputs They produce a substantial portion of the world’s food Loading …
