All Subjects General Agriculture, Biology, Plant Protection & Statistics Principles of Agronomy, Crop Ecology, Geography & Agricultural Meteorology Field Crops Agronomy Weed Management Water Management Soil Fertility and Fertilizer Use Dryland Agronomy Problem Soils Sustainable Land Use Systems
Q.6
ICAR AIEEA PG 2024 - Agronomy
MCQ (Single Correct)
English हिन्दी

Active transport of ions across the membrane of a root hair can be assumed to be taking place if :

A. The cell produces more glutathione
B. The cell has mitochondria
C. The uptake of ions stops when cyanide is added
D. The uptake of ions is against the concentration gradient

Choose the correct answer from the options given below :

मूल रोम (root hair) की झिल्ली के आर-पार आयनों का सक्रिय परिवहन (active transport) हो रहा माना जा सकता है यदि :

A. कोशिका अधिक ग्लूटाथियोन का उत्पादन करती है
B. कोशिका में माइटोकॉन्ड्रिया उपस्थित हैं
C. साइनाइड मिलाने पर आयनों का अवशोषण रुक जाता है
D. आयनों का अवशोषण सांद्रता प्रवणता के विपरीत होता है

नीचे दिए गए विकल्पों में से सही उत्तर चुनें :

Q.7
ICAR AIEEA PG 2024 - Agronomy
MCQ (Single Correct)
English हिन्दी
Dinitrogenase is a :
डाइनाइट्रोजनेज (Dinitrogenase) एक है :
Q.8
ICAR AIEEA PG 2024 - Agronomy
MCQ (Single Correct)
English हिन्दी
ATP is produced in

which of the following steps of ETS?

इलेक्ट्रॉन परिवहन तंत्र (ETS) के निम्नलिखित में से किस चरण में ATP का उत्पादन होता है?
Q.9
ICAR AIEEA PG 2024 - Agronomy
MCQ (Single Correct)
English हिन्दी
Find out the correct equation from the following :
निम्नलिखित में से सही समीकरण ज्ञात कीजिए :
Q.10
ICAR AIEEA PG 2024 - Agronomy
MCQ (Single Correct)
English हिन्दी
hy4 gene related to photomorphogenesis was later named as :
प्रकाश-रूपजनन (photomorphogenesis) से संबंधित hy4 जीन को बाद में क्या नाम दिया गया?

Agronomy Subjects

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General Agriculture, Biology, Plant Protection & Statistics

6 Topics
Plant Physiology, Photosynthesis, Transpiration and Abiotic Stresses in Crops Active Historical Milestones, Agricultural Education, ICAR Institutes and Research Infrastructure Genetics, Cytogenetics, Plant Breeding Methods and Varietal Improvement Crop Protection: Major Diseases, Insect Pests and Integrated Plant Health Management Agricultural Statistics, Probability Distributions and Experimental Field Designs (CRD, RBD, SPD) Agricultural Extension, Rural Development Programs and Technology Transfer (KVK, ATMA)

Principles of Agronomy, Crop Ecology, Geography & Agricultural Meteorology

8 Topics
Atmospheric Humidity, Precipitation, Monsoon Dynamics, Weather Forecasting and Agro-Climatic Zones Principles of Agronomy: Definition, Scope, History, Tillage, Tilth and Seedbed Preparation Agricultural Meteorology: Solar Radiation, Photosynthetically Active Radiation (PAR) and Albedo Climate Change, Greenhouse Gases, Global Warming and Impact on Crop Phenology Cropping Systems: Monocropping, Intercropping, Mixed, Sequential, Relay and Competition Indices (LER, ATER) Crop Growth Analysis, Growth Indices (LAI, CGR, RGR, NAR, LAR, SLA) and Yield Attributes Temperature, Growing Degree Days (GDD), Photoperiodism, Thermoperiodism and Heat Units Planting Geometry, Plant Density, Sowing Methods and Crop Stand Establishment

Field Crops Agronomy

9 Topics
Agronomy of Cereal Crops I - Rice: Ecology, Nursery, SRI, Direct Seeded Rice (DSR), Water & Nutrient Management Agronomy of Coarse Cereals and Millets: Maize, Sorghum, Pearl Millet, Finger Millet and Small Millets Agronomy of Major Pulse Crops: Chickpea, Pigeonpea, Mungbean, Urdbean, Lentil and Field Pea Agronomy of Cereal Crops II - Wheat and Barley: Sowing Depth, CRI Stage, Tillage, Nutrient & Irrigation Agronomy of Commercial & Fiber Crops: Cotton, Jute, Sunnhemp and Mesta Agronomy of Plantation, Spice, Medicinal and Aromatic Crops: Tea, Coffee, Turmeric, Ginger and Mentha Agronomy of Fodder, Forage and Pasture Grasses: Berseem, Lucerne, Oat, Sorghum, Napier and Guinea Grass Agronomy of Major Oilseed Crops II: Soybean, Sunflower, Safflower, Linseed, Niger and Castor Agronomy of Sugar Crops: Sugarcane, Sugarbeet, Planting Systems (Trench, IISR, STP) and Ratoon Management

Weed Management

9 Topics
Weed Biology, Classification, Propagation, Dormancy, Dissemination and Crop-Weed Competition Chemical Control: Classification of Herbicides (Selectivity, Application Timing, Chemical Families) Herbicide Formulations, Surfactants, Adjuvants, Safeners and Application Equipment Critical Period of Crop-Weed Competition (CPWC) and Allelopathy in Agro-Ecosystems Herbicide Persistence, Soil Residual Fate, Leaching, Volatilization, Photodecomposition and Selectivity Mechanisms Integrated Weed Management (IWM): Cultural, Physical, Mechanical, Biological (Bioherbicides) and Chemical Controls Herbicide Resistance in Weeds, Cross & Multiple Resistance Mechanisms and Herbicide Tolerant Crops Parasitic Weeds (Striga, Orobanche, Cuscuta, Loranthus) and Aquatic/Invasive Weeds (Eichhornia, Parthenium) Herbicide Mode of Action: ALS, ACCase, Photosystem I & II, EPSPS, Synthetic Auxins, Glutamine Synthetase

Water Management

5 Topics
Soil-Plant-Water Relations: Soil Moisture Constants, Soil Water Potential, Moisture Retention Curves and Hysteresis Crop Water Requirements, Water Use Efficiency (WUE), Consumptive Use and Irrigation Water Quality (SAR, RSC) Irrigation Methods: Surface (Check Basin, Furrow, Border), Pressurized (Drip, Sprinkler) and Fertigation Irrigation Scheduling Criteria: Soil Moisture Depletion, IW/CPE Ratio, Critical Growth Stages and Tensiometers Agricultural Drainage: Surface and Sub-surface Drainage Systems, Waterlogging Remediation and Salt Leaching

Soil Fertility and Fertilizer Use

7 Topics
Nutrient Dynamics in Soils: Nitrogen Transformation, Mineralization, Immobilization, Nitrification, Denitrification Secondary and Micronutrients in Soils: Calcium, Magnesium, Sulfur, Zinc, Iron, Manganese, Copper, Boron Essential Plant Nutrients: Classification, Criteria of Essentiality, Roles and Deficiency/Toxicity Symptoms Straight, Complex, Mixed, Slow-Release and Specialty Fertilizers: Chemical Properties, Salt Index and Reactions Integrated Nutrient Management (INM), Site-Specific Nutrient Management (SSNM), Soil Testing and Biofertilizers Phosphorus and Potassium Dynamics: Fixation, Adsorption-Desorption, Quantity-Intensity (Q/I) Relationships Nitrification Inhibitors (N-Serve, DCD, Neem-Coated Urea) and Nitrogen Use Efficiency (NUE) Enhancement

Dryland Agronomy

3 Topics
Crop Adaptation to Drought, Anti-transpirants (Stomatal, Reflecting, Film-forming) and Mulching Techniques Rainwater Harvesting, In-situ Moisture Conservation, Contingency Crop Planning and Watershed Management Dryland vs Rainfed Farming: Characteristics, Classification, Moisture Stress and Drought Types

Problem Soils

2 Topics
Salt-Affected Soils: Saline, Sodic, Saline-Sodic Soils, Diagnostics (ECe, ESP, SAR, pH) and Chemical Reclamation Acid, Acid-Sulfate, Calcareous and Degraded Problem Soils: Liming, Amelioration and Crop Adaptation

Sustainable Land Use Systems

3 Topics
Agroforestry Systems, Farming Systems Research (FSR), Integrated Farming Systems (IFS) and Wasteland Management Conservation Agriculture: Principles, Minimum Tillage, Zero Tillage, Bed Planting and Crop Residue Retention Organic Farming, Natural Farming (ZBNF), Certification Standards and Organic Inputs Preparation
Official PYQ Papers

Previous Year Papers of Agronomy

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