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