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