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