MCQs Soil Science-54 Posted on August 23, 2025August 30, 2025Author agropublishers 0 1. 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 2. Deficiency of __________ is closely associated with chlorosis (yellowing of leaves) in plants Potassium Boron Phosphorus Magnesium 3. _____________is the most frequently used carrier for the rhizobial inoculants. Soil Water Compost Peat 4. _______ is the soil area surrounding plant roots where biological and chemical interactions occur Biosphere Rhizosphere Aerosphere Hydrosphere 5. 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 6. The primary purpose of crop rotation is to maintain _________ Erosion Crop production Water conservation Soil health 7. __________ nutrient is critical for the synthesis of ATP Calcium Nitrogen Phosphorus Potassium 8. 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 9. 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 10. Deep-rooted crops can help to_________ Increase soil salinity Decrease soil water infiltration Bring up nutrients from deeper soil layers Reduce soil nutrient availability Loading … Question 1 of 10