TNPSC AO, HO, ADA Syllabus 2024 & Exam Pattern

TNPSC AO, HO, ADA Syllabus 2024 – This article helps you to get a clear idea about the TNPSC AO, HO, ADA Syllabus 2024 & TNPSC AO, HO, ADA Exam Pattern 2024. TNPSC AO, HO, ADA Exam will be conducted for 450 marks. TNPSC Agriculture Officer Exam/ TNPS CHorticultural Officer Exam/ TNPSC Assistant Director of Agriculture Exam consists of 2 papers and the duration of the exam is 3 hours. Move to the last section of this page to download the TNPSC AO, HO, ADA Syllabus & TNPSC AO, HO, ADA Exam Pattern. Go through the details provided on this page carefully and start your preparation with the use of the TNPSC Agricultural Officer Syllabus/ TNPSC Horticultural Officer Syllabus/ TNPSC Assistant Director of Agriculture Syllabus.

TNPSC AO, HO, ADA Syllabus 2024 – Details

TNPSC AO, HO, ADA Exam Pattern 2024

The below table helps you to understand the TNPSC AO, HO, ADA Exam Pattern 2024 clearly. There is no negative marking for the TNPSC AO/ HO/ Assistant Director of Agriculture Exam which is going to be conducted by the Tamil Nadu Public Service Commission (TNPSC).

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NOTE: The minimum qualifying marks for SCs, SC (A) s, STs, MBCs/ DCs, BC (OBCM) s & BCMs are 153 marks and for others are 204 marks out of 510 marks.

TNPSC AO, HO, ADA Syllabus

TNPSC Agriculture Officer Syllabus, TNPSC Horticulture Officer Syllabus, and TNPSC Assistant Director of Agriculture are provided below. Go through the below details carefully.

Paper I

Subject Paper: Agriculture (Degree Standard) – Code No.284

Unit- I: Importance Of Agriculture

Importance of Agriculture in Indian Economy and its sectoral relationship – Agricultural Development through five-year plans in India and Tamil Nadu – Growth pattern of crops in India and Tamil Nadu in terms of area, production, and productivity – Government Agricultural Policies – Agricultural development through NITI AYOG – import and export – the role of NSC, FCI and PDS.

Unit – II: FUNDAMENTALS OF CROP PRODUCTION

Factors of Production – Agricultural seasons of India and Tamil Nadu – Cropping patterns in India and Tamil Nadu – package of practices of different crops – Agro- Climatic zones of India and Tamil Nadu and their features – Weather and Climate – Weather forecasting – Climate change and its impact – Minimal tillage practices – Stress mitigating technologies including microorganisms – Nanoparticles and their applications.

Unit – III: Natural Resource Management

Soil – Soil structure – Factors influencing soil structure – Physical and Chemical properties – Effect of nutrient availability and plant growth – Problem soils and their management – Soil survey – its objectives and scope – Soil fertility and productivity – Dry farming – Rainfed agriculture – Conservation of soil and water – Watershed and waste land development. Land use pattern and planning – Size and distribution of holdings – types and systems of farming – Water resources development and management – Command area development – Ground water Development and Conjunctive use – Water use efficiency – Quality of irrigation water – Its effect in soil and crops – Management of poor quality water for crop growth.

Unit – IV: Crop Management & Allied Agricultural Activities

Cropping systems and integrated farming – Recycling of agricultural waste – Organic manures, green manures, bio fertilizers – Balanced usage – integrated nutrient management – Physiological disorders in crop plants and their management- Irrigation management of different crops Mushroom cultivation, bee keeping, silkworm rearing etc., Energy in Agricultural production – Sources – Solar, wind, animal, biomass and biogas – Mechanization in agriculture – Tractors & tillers – Agricultural implements and Machineries and their usage – livestock and poultry rearing.

Unit – V: Crop Improvement

Principles of breeding – Breeding methods in self , cross and vegetatively propagated crops – Modern tools in crop improvement – Heterosis breeding and Hybrid seed production technologies – Latest varieties of major crops in Tamil Nadu – Breeding for Climate resilience varieties – Variety release procedures -Application of bio technology in Agriculture – Tissue culture & its significance – Transgenic Plants. Plant Genetic Resources: Collection conservation and exchange-Crop varietal protection-PPV& FR authority and its role.

Unit – VI: Seed Science And Technology

Seeds – Importance of quality seeds in Agriculture – Nucleus, Breeder, foundation, certified and labelled seeds – Seed certification techniques and processing in Tamil Nadu – Seed testing – Seed testing laboratories-ISTA standards for seed testing- seed village concept Seed Act – Seed coating and priming technologies – Seed enhancement technologies.

Unit – VII: Crop Protection Principles And Practices

Importance of pest, disease, nematodes and weed management in agriculture – categories of pests, diseases, nematodes and weeds – pest and disease surveillance and forecasting weather on pest and disease incidence – Symptoms of damages and control measures of pest, disease and nematodes of major crops in Tamil Nadu – Integrated pest, disease and nematode management in crop production – Pesticides and their use in IPM – mode of action – Pattern – plant protection equipments and their use – Plant quarantine. Storage pests, disease and nematodes and their management. Importance of biological control in pest, disease and nematode management. Weeds – Major weeds and their control.

Unit – VIII: Farm Business And Finance Management

Farm business management – Principles of farm business management – Types and systems of farms-Classical Production Functions – Cost concepts – Management of resources – Farm Planning and budgeting – Investment analysis – Risk and uncertainties in Agriculture- Agricultural credit system in India – Multi credit delivery system – Role of nationalized banks, NABARD and Regional Rural Banks – Lead Bank Scheme – Service area approach – Scale of finance-Credit Worthiness-3 Rs,5Cs and 7Ps of credit- Crop Insurance – Kisan Credit Cards (KCC) – Agricultural Insurance Company.

Unit – IX: Agricultural Marketing And Market Intelligence
Marketing – Agricultural marketing – Market structure – Marketing Efficiency – Price Spread-Market Integration-Market Risk-Speculation and hedging – Market Institutions- Warehouses and rural godowns – Agmark-Cooperatives – Commodity Boards – Agribusiness management – Principles of Management-Entrepreneurship Development – Forms of Business organizations – Agricultural Price Policy – CACP-MSP – FRP- Procurement Price-Policies for agricultural development – Economic liberalization – WTO
and its impact on agricultural export – Importance of Agriculture in Indian economy – Land size and distribution of holdings and land use pattern in Tamil Nadu – Agriculture under Five-year Plans (FYPs) – Food Security – Public Distribution Systems (PDS) – Buffer Stock.

Unit – X: Agricultural Extension: Principles And Methods
Extension methods for transfer of technology – AV aids-Communication models – Use of ICT in transfer of technology-Diffusion and adoption- Pre and post independence rural development initiatives: key features, strength and weakness of individual programmes – Programme planning and evaluation methods- Rural sociology – key features of Indian rural system-value system-social change- rural migration. Role of women in Agriculture.

Subject Paper: Horticulture Paper – I (Degree Standard) – Code No.278

Unit – I: Fundamentals Of Horticulture
Scope and importance – State, National and Global scenario of horticultural crops – Area and production – Import and export – Nutritive value of horticultural crops – Horticultural zones of Tamil Nadu and India – National and regional agencies involved in promotion of horticultural Industry in India (NHB, APEDA and Commodity Boards) – Classification of horticultural crops – Factors limiting horticultural crop production – Role of season – Soil and climate requirements – Physical and chemical properties of soil – Climatic factors – Light, temperature, photoperiod, relative humidity, rainfall, altitude, microclimate – Kitchen gardening -Nutrition gardening – Truck gardening – Market gardening – Vegetable forcing – Protected and precision horticulture – Hydroponics, Aeroponics – Nutrient Film Technique – Horticulture therapy.

Unit – II: Growth And Development Of Horticultural Crops

Important phases of growth and development – Bearing habits – Classification of horticultural crops based on life cycle – Annual, biennial perennial (woody and herbaceous perennials) – Fruitfulness and unfruitfulness – External and internal factors associated with unfruitfulness – Physiology of flowering, fruit set, ripening and senescence – Fruitdrop – Causes and control measures – Plant growth regulators – Functions and role in horticultural crops – Bud dormancy – Dormancy breaking – Parthenocarpy – Parthenogenesis – Polyembryony – Stenospermocarpy – Vivipary- Apomixis.

Unit – III: Propagation Of Horticultural Crops
Propagation – Definition – Establishment of nursery – Site selection – Tools and implements propagation structures – Mist chamber, phytotron – Humidifiers – Greenhouse – Glasshouse – Polyhouse – Shade net, glass house, poly tunnels, cold frames and hotbeds, pit nursery – Media and containers – Soil sterilization – Sexual propagation – Merits and demerits – Crops propagated through seeds – Seed viability, longevity, dormancy, germination – Pre-sowing treatment – stratification, scarification, seed priming, seedling vigour – Raised seed bed and pro-tray nursery – Asexual propagation – Merits and demerits – Methods of vegetative propagation – Identification of plus trees – Mother block, scion bank – Clonal nursery – Cutting – Layering – Grafting, budding types – Anatomical and physiological basis of grafting – Stock scion relationship, graft compatibility – Budwood selection and certification – Propagation through specialized plant parts (bulbs, tubers, offsets, runners, suckers, slip, crown, rhizomes, corms) – Quality management and nursery certification – Micro propagation – Application – infrastructure requirements – Types of media – Stages of micro propagation – Micro grafting – in vitro propagation of important horticultural crops.

Unit – IV: Management Techniques For Horticultural Crops

Planning – Layout and management of orchards – Fencing – Wind breaks and shelter beds – Spacing – Planting system – Physical and chemical properties – Soil reaction – acid, saline and alkaline soils – Soil fertility – Essential elements – Functions – Organic manures and inorganic fertilizers, bio-fertilizers, vermi- composting – Applications and management – Nutrient deficiencies and corrective measures – Physiological disorders and remedies – Irrigation – Critical stages of water requirement – Effect of water stress on crop yield – Anti-transpirants – management of irrigation water quality – Conventional and micro irrigation – Fertigation – Mulching – Sod culture – Weed management – Application growth regulators – Training and pruning principles and methods – Rejuvenation of senile and old orchards – Cropping systems – Cover cropping – Multitier cropping – Intercropping – Special horticultural techniques (pinching, thinning, disbudding, blanching, smudging, notching, ringing) – Principles of organic horticulture – GAP and GMP.

Unit – V: Production Technology Of Fruit Crops

Scope and importance of fruit crops – Composition and uses – Origin and distribution – Species – Season – Climate and soil requirement – Varieties and hybrids – Propagation techniques – Planting systems and planting density – Including High-density planting (HDP) and ultra high-density planting (UHDP) – spacing – Water and nutrient management – Fertigation – Weed management – Canopy management – Training and pruning – Intercultural practices – Off-season production – Special horticultural techniques – Use of plant growth regulators – Maturity indices – Harvest and yield – Nutrient deficiencies and physiological disorders and its corrective measures and management of important pest and diseases of important fruit crops:- Mango, Banana, Acidlime, Sweet orange, Mandarin, Grapes, Papaya, Guava, Sapota, Pineapple, Jackfruit, Pomegranate, Aonla, Annona, Ber, Apple, Pear, Plum, Peach, Strawberry, Litchi, Avocado, Walnut and Almond and minor tropical, arid and temperate fruit crops.

Unit – VI: Production Technology Of Vegetable Crops

Scope and importance of vegetable crops – Composition and uses – Origin and distribution – Area and production – Soil and climatic requirements – Varieties and hybrids – Propagation methods – Seed rate – Sowing and nursery practises – Containerized seedling production – Season – Planting methods – Water, nutrient and weed management – Fertigation – Training for vegetables – Intercultural practices – Maturity indices – Harvest and yield – Nutrient deficiencies and physiological disorder and its corrective measures of important vegetable crops: Tomato, Brinjal, Chilli and Capsicum (Sweet Pepper), Bhendi, Leguminous vegetables (Beans, Peas, Cluster beans, Cowpea, Dolichos bean); Bulbous vegetables (Onion, Garlic); Tuber crops – (Potato, Tapioca, Sweet potato, Elephant footyam, Colacassia); Cucurbitaceous vegetables (Cucumber, Bittergourd, Snakegourd, Ridge gourd, Ash gourd, Muskmelon, Watermelon, Pumpkin) – Cruciferous vegetables (Cabbage, Cauliflower and Knolkhol); Root vegetables(Carrot, Radish, Beetroot, Turnip) – Leafy vegetables (Spinach, Lettuce, Palak, Amaranthus) – Perennial vegetables (Drumstick, Coccinea) – Protected cultivation of
vegetable crops – Precision farming of important vegetable crops and seed production.

Unit – VII: Floriculture & Landscape Gardening

Scope and importance of flower crops production – Uses – Origin and distribution – Area and production – Climate and soil requirement – Species and varieties – Propagation, season – Spacing and planting methods – Irrigation, nutrient management – Fertigation – Weed management – Training and pruning – Intercultural operations – Special horticultural techniques – Growth regulators – Off season production – Maturity indices – Harvest and yield and management of important pest and diseases for important loose flower crops: Jasmine, Rose, Tuberose, Chrysanthemum, Marigold, Nerium and Crossandra – Cut flowers – Rose, Carnation, Anthurium, Orchid and Gerbera – Cutfoliage and fillers. Principles of Landscape designing – Styles of gardening – Types of gardening viz., Hindu, English, Mughal, Japanese, Persian, Italian, French gardening – Garden components – Trees foliage flowering and avenue trees – Burlapping – Shrubs – Flowering annuals creepers and Climbers – Cacti and succulents – Lawn – Astroturf -Types of grasses – Layout, planting and maintenance of lawn – Hedge and edge plants – Indoor plants and interior scaping – Garden adornments – Principles and styles of flower arrangements – Bonsai styles and culture – Industrial, Institutional, Public and Private landscaping – Special types of gardening – Bog garden, dish, terrarium, bottle, roof, vertical gardening and green wall.

Unit – VIII: Production Technology Of Spices And Plantation Crops

Scope and Importance of spices and plantation crops – Composition and uses – Origin and distribution – Area and production – Climate and soil requirements – Species and varieties – Season, seed rate / propagation methods –Spacing – Planting system – High density planting – Irrigation and nutrient management – Fertigation and weed management – Training and pruning – Cropping systems – Multitier cropping – Cover cropping – Inter cropping – Growth regulators – Mulching Shade and canopy regulation – Maturity indices, harvest, yield and management of important pest and diseases and processing methods of important plantation and spice crops: Major, seed, tree, herbal spices and minor spices – Black Pepper, Cardamom, Turmeric, Ginger, Curry leaf, Clove,
Nutmeg, Cinnamon, Coriander, Fenugreek, Cumin, Tamarind, all spice and vanilla – Plantation crops – Tea, Coffee, Rubber, Cocoa, Coconut, Oilpalm, Cashew, Palmyrah, Arecanut.

Unit – IX: Production Technology Of Medicinal And Aromatic Crops

Scope and importance of medicinal and aromatic crops – Composition and uses – Origin and distribution – Area and production – Ex situ and insitu conservation – Classification of medicinal and aromatic crops – Constraints in medicinal plant cultivation – Climate and soil – Varieties – Propagation – Nursery practices -Planting methods – Cropping systems – Manures & fertilizers – Irrigation – Intercultural operations – Harvest
indices – Harvest & yield and management of important pest and diseases – Production systems – Contract farming – GAP – GCP – GMP – Organic production and certification – Classification and distillation methods of essential oils – Secondary metabolite production – Value addition – Organisational support for promotion of medicinal and
aromatic crops – Medicinal crops: Senna, Periwinkle, Glory lily, Aswagandha, Medicinal coleus and Solanum, Sweet flag, Aloe, Isabgol, Phyllanthus, Stevia, Opium poppy. Aromatic crops: Lemon grass, Citronella, Vetiver, Ocimum, Davana, Mint, Geranium, Patchouli and Eucalyptus.

Unit – X: Post – Harvest Technology Of Horticultural Crops

Importance of post-harvest handling in horticultural crops – Maturity indices – Post- harvest handling methods – Washing – Grading – Waxing – Grades and standards – Methods of packing – Types of containers and their advantages and disadvantages – Storage – Principles and methods of refrigerated and gas storage – Storage methods – Pre-cooling – Controlled atmospheric storage, Modified atmospheric storage – Low pressure storage and cold chain concept – Importance and scope of processing industry in India, general principles of fruit and vegetable preservation like canning, dehydration, freezing, fermentation – Use of chemicals(preservatives) and irradiation – GMP – Food
safety and quality control.

Subject Paper: Agriculture (PG Degree Standard) – Code No.285

Unit – I:  Crop Production Principles And Practices
Unit – II: Water And Weed Management Principles And Practices
Unit – III: Cropping Systems And Their Management
Unit – IV: Soil Management For Sustainable Agriculture
Unit – V: Seed Production-Principles, Practices, And Policies
Unit – VI: Principles And Practices In Crop Improvement And Crop Biotechnology
Unit – VII: Principles And Practices In Pest Management
Unit – VIII: Principles And Practices In Plant Disease Management
Unit – IX: Farming Sytems And Management
Unit – X: Transfer Of Technology

Note: We have provided all the headings in a unit-wise manner. To get more details about the Paper I – Agriculture (PG Degree Standard) Syllabus – Code No.285, check the notification provided below.

Paper-II

Part – A – Tamil Eligibility Test (SSLC Standard)              

1. பிரித்மதழுதுதல்/ தேர்த்மதழுதுதல்.
2. எதிர்ச்மோல்லைஎடுத்மதழுதுதல்.
3. மபாருந்தாச்மோல்லைக் கண்டறிதல்.
4. பிலழ திருத்தம் (i) ேந்திப்பிலழலய நீக்குதல் ( ii) மரபுப் பிலழகள், வழுவுச்
மோற்கலைநீக்குதல்/ பிறமமாழிச் மோற்கலைநீக்குதல்.
5. ஆங்கிைச் மோல்லுக்குதநரானதமிழ்ச் மோல்லைஅறிதல்.
6. ஒைிமற்றும்மபாருள்தவறுபாடறிந்துேரியானமபாருலையறிதல்.
7. ஒருமபாருள்தரும்பைமோற்கள்.
8. தவர்ச்மோல்லைத் ததர்வுமேய்தல்.
9. தவர்ச்மோல்லைக் மகாடுத்து / விலனமுற்று, விலனமயச்ேம்,
விலனயாைலையும்மபயர், மதாழிற்மபயலர/ உருவாக்கல்.
10. அகரவரிலேப்படிமோற்கலைேீர் மேய்தல்.
11. மோற்கலைஒழுங்குப்படுத்தி மோற்மறாடராக்குதல்.
12. இருவிலனகைின்மபாருள்தவறுபாடுஅறிதல்.
(எ.கா.) குவிந்து-குவித்து
13. விலடக்தகற்றவினாலவத் ததர்ந்மதடுத்தல்.
14. எவ்வலக வாக்கியம் என க்கண்மடழுதுதல் – தன்விலன, பிறவிலன,
மேய்விலன, மேயப்பாட்டுவிலனவாக்கியங்கலைக் கண்மடழுதுதல்.
15. உவலமயால்விைக்கப்மபறும் மபாருத்தமானமபாருலைத்ததர்ந்மதழுதுதல்
16. அலுவல்ோர்ந்தமோற்கள்(கலைச்மோல்)
17. விலடவலககள்.
18. பிறமமாழிச் மோற்களுக்கு இலையான தமிழ்ச் மோற்கலைக் கண்டறிதல்
(எ.கா.) தகால்டுபிஸ்கட் – தங்கக்கட்டி.
19. ஊர்ப்மபயர்கைின்மரூஉலவஎழுதுக (எ.கா.) தஞ்ோவூர்– தஞ்லே
20. நிறுத்தற்குறிகலைஅறிதல்.
21. தபச்சுவழக்கு, எழுத்துவழக்கு(வாரான்–வருகிறான்).
22. மோற்கலைஇலைத்துபுதியமோல்உருவாக்கல்.
23. மபாருத்தமானகாைம்அலமத்தல்
(இறந்தகாைம், நிகழ்காைம், எதிர்காைம்).
24. ேரியானவினாச்மோல்லைத் ததர்ந்மதடு.
25. ேரியானஇலைப்புச் மோல்
(எனதவ, ஏமனனில், ஆலகயால், அதனால், அதுதபாை).
26. அலடப்புக்குள்உள்ைமோல்லைத் தகுந்தஇடத்தில்தேர்க்க.
27. இருமபாருள்தருக.
28. குறில்– மநடில்மாற்றம், மபாருள்தவறுபாடு.
29. கூற்று, காரைம்– ேரியா? தவறா?
30. கலைச்மோற்கலைஅறிதல்:- எ.கா. – Artificial Intelligence – மேயற்லகநுண்ைறிவு Super Computer -மீத்திறன்கைினி
31. மபாருத்தமானமபாருலைத்மதரிவுமேய்தல்
32. மோற்கைின்கூட்டுப் மபயர்கள்(எ.கா.) புல்–புற்கள்
33. ேரியானமதாடலரத் ததர்ந்மதடுத்தல்
34. பிலழதிருத்துதல்(ஒரு-ஓர்)
35. மோல்– மபாருள்– மபாருத்துக
36. ஒருலம-பன்லமபிலழ
37. பத்தியிைிருந்து வினாவிற்கானேரியானவிலடலயத் ததர்ந்மதடு.

Part – B – General Studies (Degree Standard) – Code No.003

Unit – I: General Science
Unit – II: Current Events
Unit – III: Geography Of India
Unit – IV: History And Culture Of India
Unit – V: Indian polity
Unit – VI: Indian Economy
Unit – VII: Indian National Movement
Unit – VIII: History, Culture, Heritage, and Socio-Political Movements in Tamil Nadu
Unit – IX: Development Administration in Tamil Nadu
Unit – X: Aptitude And Mental Ability

Note: For the sub topics of the Agriculture (PG Degree Standard) and General Studies kindly download the TNPSC AO, HO, ADA Syllabus PDF that we have provided below

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TNPSC AO, HO, ADA Syllabus 2024 – FAQ

Is there any negative marking for the TNPSC Assistant Director of Agriculture Exam?

There is no negative marking for TNPSC AO, HO, ADA Exam.

How many questions will be there in TNPSC Agriculture Officer Exam?

A total of 400 questions (Paper 1 – 200 questions, Paper II – Part A – 100 & Part B – 100 questions) will be there for the TNPSC Agriculture officer exam.