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.76
RPSC Agriculture Research Officer (Agriculture Chemistry) - 2022
MCQ (Single Correct) +1 −0.33
English हिन्दी
Molybdenum is required by plants, because it is a cofactor for -
मोलिब्डेनम की आवश्यकता पौधों को होती है, क्योंकि यह सहायक कारक है -
Q.77
RPSC Agriculture Research Officer (Agriculture Chemistry) - 2022
MCQ (Single Correct) +1 −0.33
English हिन्दी
Commercial grade montmorillonite is also available in the market as -
व्यावसायिक श्रेणी का मोन्टमोरिलोनाइट बाजार में इस नाम से भी उपलब्ध है -
Q.78
RPSC Agriculture Research Officer (Agriculture Chemistry) - 2022
MCQ (Single Correct) +1 −0.33
English हिन्दी
Who introduced concept of nutrient index value to describe the fertility status of soil?
मिट्टी की उर्वरता की स्थिति का वर्णन करने के लिए पोषक तत्व सूचकांक मूल्य की अवधारणा किसने पेश की थी?
Q.79
RPSC Agriculture Research Officer (Agriculture Chemistry) - 2022
MCQ (Single Correct) +1 −0.33
English हिन्दी
Among the various micronutrients the molybdenum comes in which period of periodic table of the elements?
विभिन्न सूक्ष्म पोषक तत्वों में से मोलिब्डेनम तत्वों की आवर्त सारणी में कौनसे पीरियड (आवर्त) में आता है?
Q.80
RPSC Agriculture Research Officer (Agriculture Chemistry) - 2022
MCQ (Single Correct) +1 −0.33
English हिन्दी
Among the following which one is the para-crystalline alumino silicate mineral?

निम्नलिखित में से कौनसा एक पैरा-क्रिस्टेलाइन एल्यूमिनो सिलिकेट खनिज है?

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 Active 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 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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