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