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