MCQs Agronomy-48 Posted on February 2, 2025August 30, 2025Author agropublishers 0 1. Which of the following is known as the “king of cereal crops”? Rice Wheat Maize Barley 2. What is the primary function of chlorophyll in plants? Nutrient transport Water absorption Photosynthesis Root development 3. Plants can’t utilize atmospheric nitrogen directly, mainly due to —- Lack of chlorophyll Low water solubility of Nitrogen Strong diatomic triple bonds of Nitrogen High molecular weight of Nitrogen 4. which of the following crops is grown for grain, green manure and fodder Chickpea Lentil Red gram Cowpea 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. ———- is the primary benefit of biological nitrogen fixation to agriculture. Promotes soil erosion Improves soil texture Reduced chemical fertilizer requirement Increases crop water requirements 7. Which of the following poses a significant challenge to global food security? Crop diversification Agroecology Climate change Sustainable farming practices 8. 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 9. What is the contribution of smallholder farmers to global food security? They rely exclusively on synthetic inputs They are irrelevant to food security They produce a substantial portion of the world’s food They primarily promote monoculture systems 10. Which of the following crops is NOT included in the DSSAT crop growth simulation model? Wheat Banana Maize Soybean Loading …
