All Subjects History, Culture & Heritage of Rajasthan Geography, Natural Resources & Socio-Economic Development of Rajasthan Soil Physical Chemistry, Colloids & Organic Matter Ion Exchange, Soil Reaction, Nutrient Fixation & Submerged Soils Soil Mineralogy & Clay Minerals Pedology, Weathering & Soil Classification Soil Survey, Land Evaluation & Remote Sensing/GIS Soil Physics & Soil Moisture Management Soil Fertility, Plant Nutrients & Fertilizer Technology Analytical Instruments, Soil Testing, INM & Soil Health Soil Microbiology, Biochemistry & Organic Manures Problematic Soils, Poor Quality Water & Watershed Management Agricultural Pollution & Remediation Volumetric & Analytical Chemistry Radioisotopes & Nuclear Techniques in Soil Science
Q.41
RPSC Agriculture Research Officer (Agriculture Chemistry) - 2022
MCQ (Single Correct)
English हिन्दी
The phenomenon of Cation Exchange was discovered by -
धनायन विनिमय सबसे पहले दिया था —
Q.42
RPSC Agriculture Research Officer (Agriculture Chemistry) - 2022
MCQ (Single Correct)
English हिन्दी
The adjusted sodium adsorption ratio (Adj SAR) was first proposed by -
एडजस्टेड एस.ए.आर. (Adj SAR) को प्रथम बार प्रस्थापित किया था -
Q.43
RPSC Agriculture Research Officer (Agriculture Chemistry) - 2022
MCQ (Single Correct)
English हिन्दी
The specific gravity (g/mL) of sulphuric acid is -
सल्फ्यूरिक अम्ल का आपेक्षिक घनत्व (ग्रा. प्रति मिली.) होता है -
Q.44
RPSC Agriculture Research Officer (Agriculture Chemistry) - 2022
MCQ (Single Correct)
English हिन्दी
The sulphur status of normal soil as extracted by 0.15% CaCl2 is interpreted medium, when the sulphur content is -
सामान्य मृदा में सल्फर की स्थिति 0.15% CaCl2 से निष्कर्षित करने पर मध्यम आती है, तो सल्फर की मात्रा होगी -
Q.45
RPSC Agriculture Research Officer (Agriculture Chemistry) - 2022
MCQ (Single Correct)
English हिन्दी
The Itai - Itai and Minamata diseases are caused due to toxicity of -
इटाई-इटाई और मिनामाता रोग, क्रमशः किसकी विषाक्तता के कारण होते हैं?

Agriculture Chemistry Subjects

Browse all chapters by subject

History, Culture & Heritage of Rajasthan

9 Topics
Visual Art: Architecture, Sculpture & Paintings Social Life: Fairs, Festivals, Customs, Attire & Ornaments Age of Rajputs Performing Arts: Music, Dance & Drama Religious Cults, Saints & Folk Deities Language, Dialects & Literature of Rajasthan Pre & Early History of Rajasthan Emergence of Modern Rajasthan & Freedom Struggle Integration of Rajasthan

Geography, Natural Resources & Socio-Economic Development of Rajasthan

7 Topics
Drainage System & Irrigation Projects Soils, Forests & Wildlife Conservation Physiographic Divisions & Relief Features Demographics, Castes & Tribes Climate & Agro-Climatic Regions Environmental & Ecological Concerns Mineral & Power Resources

Soil Physical Chemistry, Colloids & Organic Matter

6 Topics
Diffuse Double Layer & Electrokinetic Properties of Colloids Soil Organic Matter Fractionation & Clay-Organic Interactions Soil Colloids & Origin of Charge Elemental Composition of Earth's Crust and Soils Adsorption and Desorption Properties of Soil Colloids Soil Physical Chemistry & Chemical Thermodynamics

Ion Exchange, Soil Reaction, Nutrient Fixation & Submerged Soils

6 Topics
Cation and Anion Exchange in Soils Nutrient Fixation in Soils (K, P, NH4+) Chemistry of Acid Soils Soil Reaction (pH) & Nutrient Availability Chemistry and Electrochemistry of Submerged Soils Soil-Pesticide Interaction

Soil Mineralogy & Clay Minerals

2 Topics
Crystalline & Non-Crystalline Clay Minerals Structural Chemistry & Classification of Soil Minerals

Pedology, Weathering & Soil Classification

3 Topics
Soil Formation Factors, Processes & Soil Profile Soil Classification Systems & Soil Taxonomy Weathering of Rocks and Minerals

Soil Survey, Land Evaluation & Remote Sensing/GIS

4 Topics
Soil Survey & Soil Mapping Major Soil Groups of India and Rajasthan Land Capability, Irrigability & Land Evaluation Remote Sensing and GIS Techniques

Soil Physics & Soil Moisture Management

3 Topics
Soil Moisture Classification, Movement & Management Soil Physical Properties Soil Air and Soil Temperature

Soil Fertility, Plant Nutrients & Fertilizer Technology

4 Topics
Micronutrients & Role of Chelates Fertilizer Manufacturing Processes & Characteristics Soil Fertility, Productivity & Essential Plant Nutrients Macronutrients (N, P, K, S) Forms & Transformations

Analytical Instruments, Soil Testing, INM & Soil Health

4 Topics
Soil Test Methods & Soil Test Crop Response (STCR) Analytical Instruments in Soil Testing Soil Fertility Evaluation, Field Trials & Soil Health Fertilizer Use Efficiency, SSNM & INM

Soil Microbiology, Biochemistry & Organic Manures

4 Topics
Biological Nitrogen Fixation, Bio-fertilizers & Organic Manures Microbial Transformation of Plant Nutrients Soil Organic Matter, Humus & Waste Recycling Soil Biota, Rhizosphere Biochemistry & Soil Enzymes

Problematic Soils, Poor Quality Water & Watershed Management

3 Topics
Salt-Affected Soils & Poor-Quality Waters Soil Erosion, Conservation & Watershed Management Acid, Acid-Sulphate & Permeability-Problem Soils

Agricultural Pollution & Remediation

1 Topic
Soil, Water and Air Pollution in Agriculture

Volumetric & Analytical Chemistry

2 Topics
Analytical Reagents, Indicators & Standard Curves Active Acid-Base, Redox & Complexometric Titrations

Advanced Soil & Plant Chemical Analysis

3 Topics
Nutrient Potentials, Buffering & Fixation Capacities Electrochemical Titration & Exchange Capacity Estimation Soil and Plant Sample Analysis for Essential Nutrients

Radioisotopes & Nuclear Techniques in Soil Science

2 Topics
Radioactivity, Radioisotopes & Nuclear Radiations Radiation Monitoring & Nuclear Instruments
Official PYQ Papers

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