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