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