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