MCQs Soil Science-60 Posted on November 30, 2025November 30, 2025Author agropublishers 0 MCQs Soil Science-60 1. Fertile soils always have high organic carbon True False 2. Fertility is related to nutrient supply; productivity is related to —— Nutrient uptake Organic matter Crop Yield Soil temperature 3. Soil biological activity is uniform at all depths of soil True False 4. Enzymes in soil are unaffected by temperature True False 5. Soil fauna, such as earthworms, increase soil productivity True False 6. In soil, enzyme activity decreases under —— conditions Drought Moderate temperature High organic matter Neutral pH 7. Continuous irrigation with saline water reduces soil fertility True False 8. Rhizosphere pH can differ from bulk soil pH True False 9. A soil low in nutrients but highly productive is ———– Always impossible Not affected by fertilizers Not dependent on climate Only possible with high input management 10. Soil biological processes stop completely in dry soils True False Loading … Question 1 of 10