MCQs Agronomy-48 Posted on February 2, 2025August 30, 2025Author agropublishers 0 1. Plants can’t utilize atmospheric nitrogen directly, mainly due to —- Lack of chlorophyll High molecular weight of Nitrogen Low water solubility of Nitrogen Strong diatomic triple bonds of Nitrogen 2. ———- is the primary benefit of biological nitrogen fixation to agriculture. Improves soil texture Promotes soil erosion Increases crop water requirements Reduced chemical fertilizer requirement 3. which of the following crops is grown for grain, green manure and fodder Red gram Cowpea Lentil Chickpea 4. Which of the following poses a significant challenge to global food security? Climate change Crop diversification Sustainable farming practices Agroecology 5. 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 6. Which of the following is known as the “king of cereal crops”? Rice Barley Maize Wheat 7. Which of the following crops is NOT included in the DSSAT crop growth simulation model? Soybean Wheat Maize Banana 8. What is the primary function of chlorophyll in plants? Nutrient transport Water absorption Photosynthesis Root development 9. ————- 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 Ammonium nitrate None of these Sodium nitrate Urea 10. 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 Loading …
