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