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. In organic farming, a complete and effective crop rotation plan is specifically designed to include __________ All of these Shallow-rooted crops Leguminous crops Deep-rooted crops 3. What does REDD+ stand for? Renewable Energy Development Department Renewable Energy and Development Division Reducing Emissions from Deforestation and Forest Degradation Reducing Emissions from Developed Countries 4. Deficiency of __________ is closely associated with chlorosis (yellowing of leaves) in plants Phosphorus Boron Magnesium Potassium 5. __________ nutrient is critical for the synthesis of ATP Nitrogen Calcium Phosphorus Potassium 6. The primary purpose of crop rotation is to maintain _________ Crop production Soil health Water conservation Erosion 7. 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 The Humus Layer A Mulch Layer 8. 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 9. _____________is the most frequently used carrier for the rhizobial inoculants. Compost Peat Water Soil 10. _______ is the soil area surrounding plant roots where biological and chemical interactions occur Hydrosphere Rhizosphere Biosphere Aerosphere Loading … Question 1 of 10
