MCQs Soil Science-59 Posted on November 30, 2025November 30, 2025Author agropublishers 0 MCQs Soil Science-59 1. Good soil fertility significantly reduces the need for ——- Excess fertilizers Insecticides Herbicides Excess irrigation 2. Humification is the process of ——— Clay synthesis Formation of humus Acidification of soil Mineralization of nitrogen 3. Which of the following is NOT included in the soil organic matter (SOM) Microbial biomass Plant residues Humus Soil minerals 4. Lignin-rich materials decompose slowly in the soil False True 5. Soil compaction increases soil productivity False True 6. A soil’s inherent nutrient content mainly determines—- Drainage Productivity All of these Fertility 7. Soil enzyme activity is highest in —— Organic matter-rich soils Clayey soils Sandy soils Saline soils 8. Potassium is essential for drought tolerance in plants True False 9. Soil organic matter contributes to the dark color of topsoil True False 10. Nutrient imbalance results in ———- All of these Nutrient Deficiencies Nutrient Toxicity Poor Plant growth Loading … Question 1 of 10
