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