Nicotine is found in tobacco plant and it is used as... | Agrigyan

Q.1

Water Science and Technology- ICAR JRF/SRF 2024 (Q.39)

MCQ (Single Correct) +4 −1

Minerals containing iron are’

(A) . Hematite

(B) . Goethite

(C) . Sphalerite

(D) . Magnetite

Choose the correct answer from the options given below:

(A), (6) and (D) only. (A), (B) and (C) only, (A), (B), (C) and (D). (B), (C) and (D) only.

Q.2

Water Science and Technology- ICAR JRF/SRF 2024 (Q.41)

MCQ (Single Correct) +4 −1

Solubility of Fe(III) oxides decreases in the order:

(A) . a-Fe203 (Hematite)

(B) . a-FeOOH (Ggoethite)

(C) . y-Fe203 (Maghemite

(D) . y-FeOOH (Lepidocrocite)

Choose the correct answer from the options given below:

(C), (B), (A), (D) (A), (B), (C), (D). (B), (A), (O), (C) (C), (D), (A), (B)

Q.3

Water Science and Technology- ICAR JRF/SRF 2024 (Q.47)

MCQ (Single Correct) +4 −1

Nicotine is found in tobacco plant and it is used as insecticide. Itis a

Limonoid Terpenoid Carotenoid Alkaloid

Q.4

Water Science and Technology- ICAR JRF/SRF 2024 (Q.48)

MCQ (Single Correct) +4 −1

Beardeaux mixture composed of

CaSO, and CuO CuSO, and CuO CuSO, and CaO CaSO, and CaO

Q.5

Water Science and Technology- ICAR JRF/SRF 2024 (Q.49)

MCQ (Single Correct) +4 −1

Imazethapyr is a

Selective broad spectrum herbicide Non-selective broad spectrum herbicide Selective herbicide for grasses Selective herbicide for broad leaves

Basics of Pressurized Irrigation System

2 टॉपिक्स

Micro-Irrigation Systems: Drip, Trickle, Bubbler Components, Emitter Hydraulics & Filtration Technologies Sprinkler Irrigation System Design: Operating Pressures, Spray Nozzles, Distribution Patterns & Fertigation Protocols

Crop Water Requirement

2 टॉपिक्स

Consumptive Use, Effective Rainfall, Crop Water Productivity & Field Water Balance Accounting Reference Evapotranspiration (ETo), Crop Coefficients (Kc), Penman-Monteith Equation & Lysimetry

खंड अ: सामान्य कृषि

5 टॉपिक्स

मृदा विज्ञान, पादप पोषण एवं सुधार फसल आनुवंशिकी, पादप प्रजनन एवं आईपीआर कृषि मौसम विज्ञान एवं जलवायु विज्ञान शस्य विज्ञान, जुताई एवं फसल उत्पादन कोशिका विज्ञान, पादप कार्यिकी एवं जैव रसायन

General Concepts of Water Resources Management

2 टॉपिक्स

Indian Water Resources, National Water Budget, Green/Blue/Grey Water Concepts & Hydrological Balance Water Governance, Interstate Water Disputes, Water Pricing, River Interlinking & Climate Change Adaptation

Ground Water Management, Wells and Pumps

3 टॉपिक्स

Groundwater Extraction, Well Design, Tube-wells, Artificial Aquifer Recharge & Pumping Economics Hydrogeology, Aquifer Parameters (Transmissivity, Storativity), Theis/Cooper-Jacob Well Hydraulics & Cone of Depression Irrigation Pumps: Centrifugal, Submersible, Characteristic Performance Curves, Cavitation & Power Sizing

Hydrology and Watershed Management

2 टॉपिक्स

Rainfall-Runoff Modeling, Unit Hydrographs, Baseflow Separation & Streamflow Routing Watershed Geomorphology, Integrated Watershed Management, Rainwater Harvesting (Khadin, Surangam) & Water Users Associations (WUAs)

Irrigation Water Management & Drainage

3 टॉपिक्स

Irrigation Scheduling Criteria (Soil Moisture, Climatological IW/CPE, Plant Stress Indicators) Surface Irrigation Engineering: Furrow, Border, Basin Hydraulics, Distribution Uniformity & Canal Outlets/Modules Agricultural Drainage Principles: Surface/Subsurface Tile Drainage, Waterlogging Control & Drainage Equations

Management and Remediation of Poor Quality Soil and Water

2 टॉपिक्स

Irrigation Water Quality Standards (Salinity, SAR, RSC, Boron/Trace Element Limits & Sodicity Hazards) सक्रिय Reclamation of Saline, Sodic and Acid Soils: Salt Balance, Leaching Requirement, Gypsum Requirement & Salt Tolerance

Rainfed Agriculture

2 टॉपिक्स

Rainfed Agro-ecosystems, Drought Classification, Contingency Crop Planning & Moisture Conservation Practices In-Situ Water Harvesting, Conservation Tillage, Organic Mulches, Antitranspirants & Runoff Farming

Soil and Water Conservation

3 टॉपिक्स

Water and Wind Erosion Mechanics, Universal Soil Loss Equation (USLE/RUSLE), Erosivity & Erodibility Engineering Soil Conservation Structures: Bunds, Terraces, Grassed Waterways & Gully Control Measures Hydraulic Jump Mechanics & Spillway Engineering (Drop, Drop-Inlet, Chute Spillways & Farm Ponds)

Soil-Water-Plant and Atmosphere Relationships

3 टॉपिक्स

Plant Water Relations, Transpiration Mechanics, Water Stress Indicators & Crop Water Footprints Soil Water Potential Thermodynamics (Matric, Osmotic, Gravitational) & Energy Retention Curves Soil Water Movement Mechanics (Saturated/Unsaturated Flow, Darcy's Law, Hydraulic Conductivity & Infiltration)

Water Science and Technology- ICAR JRF/SRF 2024

120 Questions Bilingual

RPSC Agriculture Exams

5 Exams

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

RSSB Agriculture Exams

1 Exam

कृषि पर्यवेक्षक (RSSB)

National & PG Entrances

4 Exams

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