MCQs Agronomy-53 Posted on June 27, 2025August 30, 2025Author agropublishers 0 1. _________ is used to measure the chlorophyll content in plant leaves Anemometer SPAD Pyranometer Hygrometer 2. What is the primary function of a datalogger in agricultural fields? Regulation of irrigation pumps Used as a temperature sensor Plant disease sensor Record and monitor environmental parameters 3. Soil pH is a measure of__________________ Nutrient content Soil water contents Hydrogen ion concentration Organic matter content 4. Among the soil particles ___________ has the lowest water infiltration and drainage capacity Silt Silt and Sand Sand Clay 5. Vernalization refers to__________ Leaf abscission Cold-induced flowering Root elongation Seed dispersal 6. _________ is commonly used for collecting soil samples from the field None of these Soil auger Penetrometer Soil gauge 7. NDVI stands for _______________ Nitrogen Density Vegetation Indicator Nutrient Deficiency Verification Instrument Normalized Difference Vegetation Index None of these 8. Mycorrhizae are primarily helpful to enhance uptake of________ in plants Carbon dioxide None of these Phosphorus Oxygen 9. What is the primary purpose of pheromone traps in croplands? Attract beneficial insects Directly kill all pests in a field Monitor insect pest populations Increase soil fertility 10. Humus is a decomposed form or end product of ______ Soil organic matter Soil microorganisms Hemicellulose Hormones Loading … Question 1 of 10