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