MCQs Agronomy-48 Posted on February 2, 2025August 30, 2025Author agropublishers 0 1. ————- 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 Urea Ammonium nitrate Sodium nitrate 2. Which of the following poses a significant challenge to global food security? Sustainable farming practices Crop diversification Agroecology Climate change 3. What is the main advantage of hybrid seeds compared to traditional varieties? Lower input costs Reduced water requirements Higher crop yields and disease resistance Natural propagation without human intervention 4. What is the contribution of smallholder farmers to global food security? They primarily promote monoculture systems They rely exclusively on synthetic inputs They produce a substantial portion of the world’s food They are irrelevant to food security 5. Plants can’t utilize atmospheric nitrogen directly, mainly due to —- High molecular weight of Nitrogen Lack of chlorophyll Strong diatomic triple bonds of Nitrogen Low water solubility of Nitrogen 6. which of the following crops is grown for grain, green manure and fodder Chickpea Cowpea Red gram Lentil 7. What is the primary function of chlorophyll in plants? Nutrient transport Photosynthesis Water absorption Root development 8. ———- is the primary benefit of biological nitrogen fixation to agriculture. Promotes soil erosion Reduced chemical fertilizer requirement Improves soil texture Increases crop water requirements 9. Which of the following crops is NOT included in the DSSAT crop growth simulation model? Wheat Banana Maize Soybean 10. Which of the following is known as the “king of cereal crops”? Maize Wheat Rice Barley Loading …
