MCQs Soil Science-54 Posted on August 23, 2025August 30, 2025Author agropublishers 0 1. Deep-rooted crops can help to_________ Decrease soil water infiltration Bring up nutrients from deeper soil layers Increase soil salinity Reduce soil nutrient availability 2. Which of the following is a management practice specifically designed to protect the soil surface from the physical impact of raindrops, wind, and machinery? A Mulch Layer The Humus Layer The Ozone Layer 3. _____________is the most frequently used carrier for the rhizobial inoculants. Water Compost Soil Peat 4. __________ nutrient is critical for the synthesis of ATP Nitrogen Potassium Phosphorus Calcium 5. _______ is the soil area surrounding plant roots where biological and chemical interactions occur Aerosphere Biosphere Hydrosphere Rhizosphere 6. The primary purpose of crop rotation is to maintain _________ Water conservation Erosion Crop production Soil health 7. What does REDD+ stand for? Reducing Emissions from Deforestation and Forest Degradation Renewable Energy and Development Division Renewable Energy Development Department Reducing Emissions from Developed Countries 8. Deficiency of __________ is closely associated with chlorosis (yellowing of leaves) in plants Phosphorus Potassium Magnesium Boron 9. Which of the given options plays a crucial role in forming stable soil aggregates, thereby enhancing soil structure and reducing erosion? Soil microorganisms All of these Plant roots Earthworms 10. In organic farming, a complete and effective crop rotation plan is specifically designed to include __________ All of these Deep-rooted crops Shallow-rooted crops Leguminous crops Loading … Question 1 of 10
