TNPSC Agricultural Officer (AO) Syllabus
TNPSC Agricultural Officer (AO) Syllabus


Tamil Nadu PSC AO Exam Pattern

Sl.NoPapersSubjects NamesNo of QuestionsMaximum MarksDuration of Exam
1.IAgriculture Subjects2003003 Hours
2.IIGeneral Studies752002 Hours
3.Aptitude & Mental Ability25
Interview & Records70

TNPSC Agricultural Officer Syllabus

Agriculture Topics:

  • Agricultural development through NITI AYOG
  • production and productivity
  • The growth pattern of crops in India and Tamil Nadu in terms of area
  • Government Agricultural Policies
  • Agricultural Development through five-year plans in India and Tamil Nadu

Fundamentals of Crop Production:

  • Factors of Production
  • Package of practices of different crops
  • Climatic zones of Indian & Tamil Nadu and their features
  • Minimal tillage
  • Nanoparticles and their applications
  • Weather forecasting
  • Agricultural seasons of India and Tamil Nadu
  • Cropping patterns in India and Tamil Nadu

Natural Resource Management:

  • Soil structure
  • Physical and Chemical properties
  • Factors influencing soil structure
  • Command area development
  • Water use efficiency
  • Quality of irrigation water
  • Problem soils and their management
  •  Conservation of soil and water
  • Soil fertility and productivity
  • Dry farming
  • Watershed and wasteland development
  • Size and distribution of holdings

Crop Management & Allied Agricultural Activities:

  • Cropping systems and integrated farming
  • Recycling of agricultural waste
  • Balanced usage
  • Agricultural implements and Machinery and their usage
  • livestock and poultry rearing
  • Integrated nutrient management
  • Tractors & tillers

Crop Improvement:

  • Principles of breeding
  • Modern tools in crop improvement
  • Application of biotechnology in agriculture
  • Transgenic Plants
  • Latest varieties of major crops in Tamil Nadu
  • Variety release procedures

Importance of quality seeds in agriculture:

  • Seed testing laboratories
  • Seed village concept Seed Act
  • Seed certification techniques and processing in Tamil Nadu
  • Seed enhancement technologies
  • STA standards for seed testing
  • Crop Protection Principles and Practices

Importance of pests:

  • Farm Business and Finance Management
  • Plant quarantine
  • Pesticides and their use in IPM
  • Plant protection equipment and their use
  • Agricultural Marketing & Market Intelligence
  • Agricultural Extension: Principles and Methods
  • Principles of farm business management
  • Symptoms of damages and control measures of pest
  • Disease and nematodes of major crops in Tamil Nadu

General Studies:

  • Dravidian movement in TN-Political parties and populist schemes
  • Indian National Movement
  • The emergence of national leaders
  • The preamble to the constitution
  • Salient features of the constitution
  • Gandhi, Nehru, Tagore
  • Communalism led to a partition
  • Botany
  • General Science
  • Physics
  • Heat, light, and sound
  • Atomic and nuclear physics
  • Chemistry
  • Geography
  • Social geography
  • population
  • Profile of States-Defence
  • Expansion and consolidation of British rule
  • Political Science
  • Tamil NaduJudiciary in India
  • Forest & wildlife
  • Agricultural pattern
  • Economics
  • Excretion of metabolic waste
  • Biocommunication
  • Zoology
  • Biodiversity and its conservation
  • Land reforms & agriculture-Application of science in agriculture Industrial growth
  • WTO-globalization & privatization
  • Biochemistry and biotechnology
  • Electrochemistry
  • History and culture of India
  • Nutrition and Dietetics
  • Respiration
  • Human diseases-
  • Current Events
  • Science
  • History
  •  National symbols

Aptitude and Mental Ability:

  • Decision-making and problem-solving
  • Logical Reasoning
  • Puzzles
  • Dice
  • Time and Work
  • Behavioral ability
  • Basic terms
  • Communications in information technology
  • Logical Number/Alphabetical/Diagrammatic Sequences
  • Percentage
  •  Conversion of information to data
  • Collection, compilation, and presentation of data
  • Tables, graphs, diagrams-Parametric representation of data
  • Analytical interpretation of data
  • Simplification
  • Area
  • Volume
  • Highest Common Factor (HCF)
  • Lowest Common Multiple (LCM)
  • Application of Information and Communication Technology (ICT)
  • Visual Reasoning
  • Alphanumeric Reasoning
  • Number Series
  • Ratio and Proportion
  • Simple interest & Compound interest


is it mandatory for the applicants to register their basic particulars through one – a time online registration system before applying for this recruitment?


How can I become an agricultural officer in TNPSC?

The candidate must have a Bachelor’s Degree in Agriculture from a recognized university. The candidates will undergo 2 stages of the selection process Written Exam and the Interview process.

What is the Full Form of TNPSC?

Tamil Nadu Public Service Commission

What is the monthly salary for Agricultural Officer?

INR 65500/- Per Month

Is it necessary to link the Aadhaar number while doing one-time registration?

Linking Aadhaar number with One Time Registration (OTR) is mandatory for applicants before applying to TNPSC Recruitment.

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