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