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