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