1
Movement of DNA from one bacterium to another through a tubular bridge or pilus:
Chlorpyriphos methyl is effective against stored product insects... | Agrigyan
2
Which of the following is responsible for eliminating toxic oxygen by-products from cells?
3
form of multiple parasitism in which a parasite preferentially attacks a host that is already parasitized by another species is
known as
4
For mass multiplication of DD-136 nematode, the common host used is
5
Chlorpyriphos methyl is effective against stored product insects except
Biochemical and Process Engineering
2 TopicsBiochemical Conversion Technology
4 Topics
Organic Waste Characterization: Biological Oxygen Demand (BOD), Chemical Oxygen Demand (COD) & Kjeldahl Nitrogen
Rural & Community Biogas Plants: KVIC Floating Drum, Janata Fixed Dome, Deenbandhu Model & Burner Efficiency
High-Rate Biomethanation Reactors: UASB Reactors, Fluidized Bed, Anaerobic Filters & Fixed Film Digestors
Anaerobic Digestion Fundamentals: Biogas Generation Phases (Hydrolysis, Acidogenesis, Methanogenesis) & C:N Ratio
General Agriculture
6 TopicsLiquid Biofuels
3 Topics
Biodiesel Properties & Engine Performance: ASTM D6751 / IS 15607 Standards, Blends (B20, B40) & Viscosity Effects
Lignocellulosic Bioethanol Production: Delignification Pretreatment, Enzymatic Hydrolysis, Fermentation & Distillation
Biodiesel Production Chemistry: Triglyceride Transesterification, Alcohol-Catalyst Ratios & Glycerol Separation
Power Generation and Energy Storage
2 TopicsSolar Energy Engineering
7 Topics
Flat-Plate Solar Collectors: Liquid & Air Absorber Plates, Selective Coatings, Heat Removal Factor & Efficiency
Solar Ponds & Advanced Thermal Storage: Salt-Gradient Non-Convective Solar Ponds & Sensible/Latent Heat Storage
Solar Thermal Applications: Box & Parabolic Solar Cookers, Solar Water Heating, Solar Distillation Stills & Dryers
Solar PV System Design & Water Pumping: Standalone & Grid-Tied PV, Inverters, Charge Controllers & PV Water Pumps
Solar Radiation Geometry & Measurement: Solar Constant, Beam & Diffuse Radiation, Pyranometers & Pyrheliometers
Photovoltaic Cell Physics & Module Engineering: Semiconductor P-N Junction, Photovoltaic Effect, I-V Curve & Arrays
Concentrating Solar Collectors: Parabolic Trough Collectors (PTC), Scheffler Concentrators & Central Tower CSP
Thermochemical Conversion Technology
4 Topics
Biomass Fuel Characterization: Ultimate/Proximate Analysis, Dulong's Heating Value Formula & Stoichiometric Air
Biomass Gasification & Producer Gas: Gasification Chemical Zones, Updraft/Downdraft Gasifiers & Tar Elimination
Biomass Pyrolysis & Biorefinery: Slow/Fast Pyrolysis, Biochar Carbon Sequestration, Bio-Oil & Syn-Gas
Biomass Combustion & Incineration: Excess Air Dynamics, Grate Furnaces, Fluidized Bed Combustion & Co-Firing
Wind Energy Engineering
4 Topics
Wind Power Physics & Betz Limit: Wind Kinetic Power (P proportional to V^3), Betz Coefficient (Cp max = 59.3%)
Aerodynamics of Wind Turbines: Aerofoil Lift and Drag Forces, Rotor Blade Geometry & Tip Speed Ratio
Atmospheric Wind Characteristics: Wind Shear, Atmospheric Boundary Layer, Power Law (Hellmann Exponent) & Anemometry
Wind Energy Conversion Systems: Horizontal Axis (HAWT) vs Vertical Axis (VAWT) Wind Turbines & Grid Integration
Official PYQ Papers
Previous Year Papers of Renewable Energy Engineering
Practice official shift-wise question papers with answer keys and detailed explanations on the actual exam pattern.
1
Total Available
Previous Papers
2024
29-06-2024