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