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