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