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