Q.11
RPSC Agriculture Research Officer (Agriculture Chemistry) - 2011 (Q.1)
MCQ (Single Correct) +1 −0.33
English हिन्दी
Relative proportions of sand, silt and clay in soil is called
मृदा में बालू, सिल्ट एवं क्ले के आपेक्षिक अनुपात को कहते हैं -
Q.12
RPSC Agriculture Research Officer (Agriculture Chemistry) - 2011 (Q.32)
MCQ (Single Correct) +1 −0.33
English हिन्दी
In international pipette method, H2O2 is used to remove

which of the following ?

अंतर्राष्ट्रीय पिपेट विधि में H2O2 का उपयोग निम्न में से किसको हटाने के लिए होता है?
Q.13
RPSC Agriculture Research Officer (Agriculture Chemistry) - 2011 (Q.35)
MCQ (Single Correct) +1 −0.33
English हिन्दी
Broken peds are called as
टूटे हुए पेड्स कहलाते हैं -
Q.14
RPSC Agriculture Research Officer (Agriculture Chemistry) - 2011 (Q.39)
MCQ (Single Correct) +1 −0.33
English हिन्दी
Total porosity is more in
कुल रंध्रता किसमें अधिक होती है?
Q.15
RPSC Agriculture Research Officer (Agriculture Chemistry) - 2011 (Q.41)
MCQ (Single Correct) +1 −0.33
English हिन्दी
The best agricultural soil structure is
कृषि की दृष्टि से सर्वोत्तम मृदा संरचना है -

Agriculture Chemistry Subjects

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Rajasthan History

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Major Dynasties & Prominent Rulers Ancient & Early History Modern History & Freedom Movements Integration of Rajasthan

Rajasthan Art & Culture

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Forts, Monuments & Architecture Fairs, Festivals & Traditions Folk Music, Dance & Drama Folk Deities & Saints Language, Dialects & Literature

Rajasthan Geography

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Drainage System & Water Resources Soils, Forests & Wildlife Physiography & Relief Features Climate & Agro-Climatic Zones Environmental Issues & Desertification Mineral & Energy Resources

Rajasthan Economy

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Demographics & Tribal Economy

Soil Physical Chemistry & Colloids

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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 & Nutrient Fixation

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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

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

Pedology & Soil Classification

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

Soil Survey & Remote Sensing

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 & Water Relations

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

Soil Fertility & 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

Principles of Agronomy & Agro-Meteorology

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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

Tillage & Crop Geometry

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

Cropping Systems & Sustainable Agriculture

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

Dryland Farming & Watershed Management

1 Topic
Soil, Water and Air Pollution in Agriculture

Weed Management & Herbicide Physiology

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

Soil Fertility & Plant Nutrition

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

Irrigation Water Management

2 Topics
Radioactivity, Radioisotopes & Nuclear Radiations Radiation Monitoring & Nuclear Instruments
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