Q.1
Irrigation and Drainage Engineering- ICAR JRF/SRF 2024 (Q.1)
MCQ (Single Correct)
Movement of DNA from one bacterium to another through a tubular bridge or pilus:
Q.2
Irrigation and Drainage Engineering- ICAR JRF/SRF 2024 (Q.19)
MCQ (Single Correct)
EDV (Essentially Derived Varieties) are those which are derived from

Irrigation & Drainage Engineering Subjects

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Drainage Systems

2 Topics
Subsurface Tile Drainage & Steady-State Equations: Hooghoudt's Equation, Ernst Equation, Tile Depth & Drain Spacing Vertical Drainage & Drainage Effluent Management: Drainage Wells, Skimming Wells, Saline Drainage Disposal & Mitigation

Fluid Mechanics and Open Channel Hydraulics

5 Topics
Fluid Statics & Kinematics: Fluid Pressure, Manometers, Continuity Equation, Streamlines & Velocity Potential Open Channel Steady Uniform Flow: Manning's & Chezy's Equations, Hydraulic Radius & Most Economical Channel Sections Fluid Dynamics & Pipe Flow: Bernoulli's Theorem, Darcy-Weisbach Equation, Moody Diagram, Minor Losses & Water Hammer Varied Flow & Hydraulic Jump: Specific Energy, Critical Depth, Froude Number, Gradually Varied Flow & Hydraulic Jump Dimensional Analysis & Dynamic Similitude: Buckingham Pi Theorem, Reynolds, Froude, Weber & Mach Model Laws

General Agriculture

6 Topics
Agronomy, Tillage & Field Crop Production Agricultural Entomology, Nematology & Crop Protection Soil Science, Plant Nutrition & Reclamation Cell Biology, Plant Physiology & Biochemistry Agricultural Meteorology & Climate Science Crop Genetics, Plant Breeding & IPR Active

Groundwater Development, Wells and Pumps

5 Topics
Agricultural Lift Pumps: Centrifugal Pumps, Specific Speed, Characteristic Curves, NPSH & Cavitation Prevention Hydrogeology & Aquifer Mechanics: Confined, Unconfined & Perched Aquifers, Transmissivity, Storativity & Dupuit-Thiem Unsteady Well Hydraulics & Pumping Tests: Theis Non-Equilibrium Method, Cooper-Jacob Approximation & Recovery Tests Water Well Drilling & Construction: Rotary & Percussion Drilling, Well Screen Design, Gravel Pack Sizing & Development Special Pumps & Well Maintenance: Submersible, Turbine, Air-Lift, Jet Pumps, Well Deterioration & Acidification Rehabilitation

Hydrology of Agricultural Lands, Farm Ponds and Percolation Ponds

4 Topics
Stream Gauging & Hydrograph Analysis: Current Meters, Tracer Dilution Method, Stage-Discharge, Unit Hydrographs & S-Curve Agricultural Hydrometeorology & Runoff Mechanics: Precipitation Measurement, Thiessen Polygons, IDF Curves & SCS-CN Flood Routing & Hydrological Modeling: Modified Puls Reservoir Routing, Muskingum Channel Routing & Risk-Reliability Water Harvesting Ponds & Percolation Structures: Farm Pond Sizing, Conic Volume Estimation, Percolation Tanks & Seepage

Irrigation Systems

5 Topics
Surface Irrigation Hydraulics: Border Strip, Check Basin, Furrow Irrigation Advance-Recession & Field Efficiencies Sprinkler Irrigation Engineering: Network Hydraulics, Sprinkler Nozzles, Trajectory, Christiansen Uniformity CU & Sizing Fertigation & Micro-Irrigation Filtration: Venturi Injectors, Fertilizer Tanks, Hydrocyclone / Media / Screen Filters Drip / Micro-Irrigation Design: Emitter Flow Hydraulics, Emission Uniformity (EU), Lateral Sizing & Friction Losses Irrigation Conveyance & Automation: Canal Lining, Cross Drainage Structures (Aqueducts, Syphons), Pipe Networks & Valves

Precision Agriculture

4 Topics
Variable Rate Technology (VRT) & Yield Monitoring: Sensor-Based Application, Yield Monitors & Precision Spatial Mapping Geoinformatics & Spatial Positioning: Geographic Information Systems (GIS), GNSS (GPS, GLONASS, Galileo) & Geodesy Agricultural Remote Sensing & Spectral Indices: Multispectral Reflectance, Vegetation Indices (NDVI, RVI, SAVI) & Health Mapping Crop Simulation Modeling & Decision Support: Crop Growth Models (DSSAT, APSIM), Calibration, Validation & Precision Irrigation

Protected Cultivation & Landscaping

3 Topics
Greenhouse Structural Engineering: Greenhouse Types (Even Span, Quonset), Framing Materials, Wind & Snow Load Analysis Greenhouse Environmental Control: Evaporative Cooling (Fan-and-Pad Systems), Space Heating, Shading Nets & Ventilation Hydroponics, Soilless Culture & Automated Fertigation: Closed/Open Loop Systems, Nutrient Film Technique (NFT) & Substrates

Soil-Water-Plant Relationships

4 Topics
Soil Moisture Constants & Movement: Field Capacity, Permanent Wilting Point, Available Water & Darcy-Richards Unsaturated Flow Evapotranspiration & Consumptive Use: Reference Crop ET, Penman-Monteith, Blaney-Criddle & Crop Water Coefficients Salt-Affected Soils & Water Quality: Saline, Sodic & Saline-Sodic Soils, ESP, SAR, Electrical Conductivity & Leaching Fraction Soil Water Energy Concepts: Matric, Osmotic, Pressure, Gravitational Potentials & pF Characteristic Curves
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10 Major Agriculture Exams Available

RPSC Agriculture Exams

5 Exams
Food Safety Officer Assistant Agriculture Officer Agriculture Officer RPSC Agriculture Research Officer RPSC AARO

RSSB Agriculture Exams

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RSSB Agriculture Supervisor

National & PG Entrances

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ICAR AIEEA PG CUET UG Rajasthan Agriculture Pre-PG ICAR JRF/SRF