MCQs Agronomy-47 Posted on December 7, 2024August 30, 2025Author agropublishers 0 1. A hygrometer is primarily used to measure ——– Wind speed Atmospheric pressure Relative humidity Atmospheric temperature 2. Base temperature for rice growth is ———— °C 5 °C 10 °C 12 °C 7 °C 3. Field Capacity is the ———– Amount of water lost through evaporation Maximum amount of water a soil can hold after saturation and drainage Minimum water content needed for plant survival Total amount of water in the soil before saturation 4. Measurement of ——- is the primary function of a tensiometer Soil moisture levels Atmospheric pressure Soil temperature Rainfall intensity 5. ——— can significantly increase the Cation Exchange Capacity of soil Excessive tillage operation Minor change in soil pH Addition of organic matter Addition of sand 6. ———— of the following is NOT a factor that primarily influences CEC Soil temperature Soil texture Soil pH Soil organic matter content 7. Which of the following best describes effective rainfall? Rainfall that exceeds the infiltration capacity of the soil and runs off Rainfall that evaporates before reaching the ground and does not contribute to soil moisture Rainfall that is absorbed by the soil and contributes to plant growth Total rainfall in an area 8. The primary mechanism by which soil particles attract cations is ———– Van der Waals forces Covalent bonding Electrostatic force Hydrogen bonding 9. ——- ———— ——–constitute over 90% of a plant’s dry weight Nitrogen, sulfur, calcium Magnesium, phosphorus, potassium Carbon, hydrogen, oxygen Nitrogen, phosphorus, potassium 10. How does microclimate differ from macroclimate? Microclimate is the climate of a city, while macroclimate is the climate of a rural area Microclimate is the climate of a large region, while macroclimate is the climate of a small area Microclimate is the climate of a mountain, while macroclimate is the climate of a valley Microclimate is the climate of a small area, while macroclimate is the climate of a large region Loading …
