SarkariResultHome.comOPSC Assistant Agriculture Officer (AAO) Syllabus 2026: Topic-wise Details
Written by Sejal on 10 Oct 2026 · Organisation: Odisha Public Service Commission · State: Odisha
Odisha Public Service Commission (OPSC) has released the syllabus and exam pattern for Assistant Agriculture Officer (AAO) on its official portal. This page explains how to use it for your preparation.
The stages are Written Examination, Interview. The direct links are in the Important Links table below.
You can also see more OPSC updates on the OPSC Recruitment page, all syllabus and the home page.
OPSC Assistant Agriculture Officer (AAO) Syllabus 2026: Exam Date & Pattern
| Important Dates | Key Details |
|---|---|
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OPSC Assistant Agriculture Officer (AAO) Selection Process & Exam Details
The stages, in the order they usually take place:
- Written Examination
- Interview
Assistant Agriculture Officer (AAO): What This Page Covers
This page puts together the exam overview of Assistant Agriculture Officer (AAO) with the exam pattern, the topic lists and the selection stages, in the order a student needs them.
- First comes the exam overview: who conducts the exam, its level, mode, language and marking.
- Next are the pattern and subject-wise syllabus tables, with the marks, subject names and figures exactly as the source gives them.
- At the end you will find a preparation plan and the questions students ask most.
Assistant Agriculture Officer (AAO): Exam Overview
Assistant Agriculture Officer (AAO) is conducted by Odisha Public Service Commission (OPSC).
The paper is taken in Offline mode.
Negative marking: ⅓ mark (0.33) in Prelims.
Selection stages given for this exam: Prelims → Mains → Personality Test/Interview.
| Detail | Information |
|---|---|
| Exam name | Odisha Civil Services Exam |
| Conducted by | Odisha Public Service Commission (OPSC) |
| Post / course | Group A & B |
| Mode of exam | Offline |
| Selection stages | Prelims → Mains → Personality Test/Interview |
| Negative marking | ⅓ mark (0.33) in Prelims |
| OPSC Official Website | www.opsc.gov.in |
Assistant Agriculture Officer (AAO): Exam Overview
Assistant Agriculture Officer (AAO) is conducted by Odisha Public Service Commission (OPSC).
The exam is of Graduation (Agriculture/Horticulture) level.
The paper is taken in Offline (OMR Based) mode.
Negative marking: Yes (25%).
| Detail | Information |
|---|---|
| Exam name | OPSC AAO Exam 2026 |
| Conducted by | Odisha Public Service Commission (OPSC) |
| Post / course | Assistant Agriculture Officer (AAO) |
| Exam level | Graduation (Agriculture/Horticulture) |
| Mode of exam | Offline (OMR Based) |
| Type of questions | Objective (MCQs) |
| Negative marking | Yes (25%) |
| Vacancies | 118 |
| Written Exam Marks | 200 |
| Interview Marks | 25 |
Assistant Agriculture Officer (AAO): AAO Selection Process 2026
The list below is for Assistant Agriculture Officer (AAO).
- Written Examination (MCQ-based)
- Personality Test (Interview)
Assistant Agriculture Officer (AAO): Prelims
Keep these points in mind for Assistant Agriculture Officer (AAO).
- Two objective-type papers: General Studies Paper I & II.
- Each paper: 200 marks, 2 hours duration.
- Negative marking: 0.33 mark per wrong answer.
- Paper II requires 33% minimum marks to qualify.
- Prelims are qualifying; marks are not included in the final merit list.
Assistant Agriculture Officer (AAO): Prelims Exam Structure
Check the prelims exam structure for Assistant Agriculture Officer (AAO) in the table below.
In short: mode: OMR based.
| Paper | Questions | Marks | Duration |
|---|---|---|---|
| General Studies Paper I | 200 | 200 | 2 hours |
| General Studies Paper II (CSAT) | 200 | 200 | 2 hours |
Assistant Agriculture Officer (AAO): Written Examination
Written Examination of Assistant Agriculture Officer (AAO):
In short: mode: OMR based.
| Paper | Subject | No. of Questions | Marks | Duration |
|---|---|---|---|---|
| Paper I | Agriculture | 100 | 100 | 2 Hours |
| Paper II | Agriculture | 100 | 100 | 2 Hours |
Assistant Agriculture Officer (AAO): Mains
Keep these points in mind for Assistant Agriculture Officer (AAO).
- 9 descriptive papers in total.
- 2 papers (Odia & English Language) are qualifying.
- 7 papers count towards the merit list.
- Each paper: 250 marks, 3 hours duration.
- Candidates must secure 25% in Odia & English to qualify.
Assistant Agriculture Officer (AAO): Marking Scheme
Keep these points in mind for Assistant Agriculture Officer (AAO).
- +1 mark for each correct answer
- –0.25 mark for each wrong answer
- No marks deducted for unattempted questions
Assistant Agriculture Officer (AAO): Mains Exam Structure
Check the mains exam structure for Assistant Agriculture Officer (AAO) in the table below.
In short: mode: OMR based.
| Category | Paper | Marks | Duration |
|---|---|---|---|
| Qualifying Papers | Odia Language | 250 | 3 hrs |
| English Language | 250 | 3 hrs | |
| Merit Papers | Essay | 250 | 3 hrs |
| GS Paper I | 250 | 3 hrs | |
| GS Paper II | 250 | 3 hrs | |
| GS Paper III | 250 | 3 hrs | |
| GS Paper IV | 250 | 3 hrs | |
| Optional Paper I | 250 | 3 hrs | |
| Optional Paper II | 250 | 3 hrs | |
| Total (Mains) | 1750 | ||
| Interview | 250 | ||
| Grand Total | 2000 |
Assistant Agriculture Officer (AAO): Unit I – Agronomy
Keep these points in mind for Assistant Agriculture Officer (AAO).
- Agronomy
- Farming Systems and Sustainable Agriculture
- Principles of Organic Farming
- Crop Production Technology
Assistant Agriculture Officer (AAO): General Studies Paper I
The list below is for Assistant Agriculture Officer (AAO).
- Current events of national & international importance
- History of India and the Indian National Movement
- Indian & world geography (physical, social, economic)
- Indian polity and governance (Constitution, Panchayati Raj, policies, rights)
- Economic & social development (poverty, demographics, inclusion, SDGs)
- Environmental ecology, biodiversity, and climate change
- General Science
Assistant Agriculture Officer (AAO): Unit II – Horticulture
The list below is for Assistant Agriculture Officer (AAO).
- Production Technology of Fruit Crops
- Production Technology of Vegetable Crops
- Production Technology of Floriculture Crops
Assistant Agriculture Officer (AAO): General Studies Paper II (CSAT)
The list below is for Assistant Agriculture Officer (AAO).
- Comprehension passages
- Interpersonal & communication skills
- Logical reasoning and analytical ability
- Decision-making and problem-solving
- General mental ability
- Basic numeracy & data interpretation (Class X level)
- English comprehension (Class X level)
Assistant Agriculture Officer (AAO): Unit III – Plant Protection
Keep these points in mind for Assistant Agriculture Officer (AAO).
- Plant Pathology and Microbiology
- Diseases of Field Crops
- Diseases of Horticultural Crops
- Entomology
- Nematode Pests of Horticultural Crops and Their Management
Assistant Agriculture Officer (AAO): (A) Qualifying Papers
The list below is for Assistant Agriculture Officer (AAO).
- Comprehension of passages
- Usage and vocabulary
- Précis writing
- Short essays
- Translation (English ↔ Odia)
Assistant Agriculture Officer (AAO): Unit IV – Allied Agricultural Sciences
Keep these points in mind for Assistant Agriculture Officer (AAO).
- Agriculture and Sericulture
- Agro-Meteorology and Climate Change
- Forestry
Assistant Agriculture Officer (AAO): (A) Qualifying Papers
The list below is for Assistant Agriculture Officer (AAO).
- Comprehension of passages
- Usage and vocabulary
- Précis writing
- Short essays
Assistant Agriculture Officer (AAO): (B) Papers Counted for Merit
The list below is for Assistant Agriculture Officer (AAO).
- Indian art, architecture, and literature (ancient to modern)
- Temple architecture of Odisha
- Bhakti movement in Odisha and its impact
- Evolution of the Odia language and literature
- Regional traditions and festivals
- Modern Indian history, freedom struggle, post-independence developments
- Odisha history – Kalinga War, dynasties (Kharavela, Bhauma Karas, Somavamsis, Gangas, Gajapatis)
- Paik Rebellion, Vir Surendra Sai, 1857 revolt, Praja Mandal movements
- Creation of Odisha Province & social reform movements
- Indian & Odia society – diversity, role of women, poverty, urbanization, tribal issues
- Globalization and its effects on Odisha
Assistant Agriculture Officer (AAO): Unit I – Soil Science and Technology
Keep these points in mind for Assistant Agriculture Officer (AAO).
- Geoinformatics and Nano-technology
- Fundamentals of Soil Science
- Soil Fertility and Nutrient Management
- Problematic Soils and Their Management
Assistant Agriculture Officer (AAO): (B) Papers Counted for Merit
The list below is for Assistant Agriculture Officer (AAO).
- Evolution & features of the Constitution
- Federal structure, devolution of powers, separation of powers
- Parliament & State legislatures – structure, privileges, issues
- Executive & Judiciary – structure, accountability
- Odisha-specific laws: Right to Public Services Act, Lokayukta Act
- Constitutional & statutory bodies
- Governance – transparency, e-Governance, accountability
- Social justice & welfare schemes for vulnerable sections (India & Odisha)
- Role of MSMEs, SHGs, poverty & hunger issues, SDGs
- Odisha’s neighborhood relations & India’s international role
Assistant Agriculture Officer (AAO): (B) Papers Counted for Merit
Keep these points in mind for Assistant Agriculture Officer (AAO).
- Developments in science & technology, IT, robotics, biotech, nanotech
- Indian economy – growth, employment, resource mobilization
- Budgeting (India & Odisha), land reforms, and industrialization in Odisha
- Agriculture – cropping patterns, irrigation, e-technology in farming
- Subsidies, MSP, PDS, food security, animal rearing
- Food processing & supply chain management
- Biodiversity & environment – conservation, EIA, pollution control
- Disaster management – India & Odisha-specific policies
- Extremism in Odisha, cyber security, money laundering, and border security
- Security forces & agencies of India and Odisha
Assistant Agriculture Officer (AAO): Unit II – Crop Improvement
Keep these points in mind for Assistant Agriculture Officer (AAO).
- Principles of Seed Technology
- Genetics and Plant Breeding
- Introductory Crop Physiology
Assistant Agriculture Officer (AAO): (B) Papers Counted for Merit
Keep these points in mind for Assistant Agriculture Officer (AAO).
- Ethics in human actions – determinants, consequences
- Human values – teachings of leaders & reformers
- Role of family, society & education in values
- Attitude, aptitude, empathy, and compassion in governance
- Emotional intelligence – concepts & applications
- Moral thinkers (India & world)
- Public service values, corruption, transparency, accountability
- RTI, codes of ethics, citizen charters, probity in governance
- Case studies on ethical dilemmas
Assistant Agriculture Officer (AAO): Unit III – Extension and Economics
The list below is for Assistant Agriculture Officer (AAO).
- Agricultural Extension Education
- Agricultural Economics
- Statistical Methods
- Agri-Business Management
- Agricultural Marketing, Trade, and Prices
Assistant Agriculture Officer (AAO): OCS Interview / Personality Test
Keep these points in mind for Assistant Agriculture Officer (AAO).
- Qualified candidates progress to the final stage: a Personality Test (250 marks) .
- The interview assesses:
Assistant Agriculture Officer (AAO): Unit IV – Agriculture Development
The list below is for Assistant Agriculture Officer (AAO).
- Agriculture Heritage
- Farmer Empowerment Schemes
Assistant Agriculture Officer (AAO): OCS Interview / Personality Test
Keep these points in mind for Assistant Agriculture Officer (AAO).
- Mental alertness & logical thinking
- Leadership & communication skills
- Social awareness & decision-making
- Ethical integrity & suitability for civil services.
Assistant Agriculture Officer (AAO): OCS Selection Process
Keep these points in mind for Assistant Agriculture Officer (AAO).
- First Examination – Objective type, qualifying in nature.
- Mains Examination – Descriptive papers, marks counted for merit.
- Personality Test/Interview – Final stage to assess suitability.
Assistant Agriculture Officer (AAO): OCS Selection Process
OCS Selection Process of Assistant Agriculture Officer (AAO):
| Also check |
|---|
| OPSC OCS Previous Year Papers |
| OPSC OCS Salary |
Assistant Agriculture Officer (AAO): Prioritize Core Subjects
Keep these points in mind for Assistant Agriculture Officer (AAO).
- Focus more on high-weightage and frequently asked areas like:
- Agronomy and Crop Production
- Soil Science and Nutrient Management
- Plant Pathology and Entomology
- Agricultural Economics and Extension Education
Assistant Agriculture Officer (AAO): How to Use the Pattern and Syllabus
- Read the exam overview above first, so you know who conducts the exam, its mode, language and marking before you study.
- This page has more than one pattern table, one for each paper or post group. Read the table that matches your own post or paper first.
- Negative marking is given as Yes (25%). So avoid wild guesses and mark only the answers you are sure about.
- The exam is in Offline (OMR Based) mode, so take your mock tests in the same way.
- Copy the subject-wise topics into a notebook or sheet and tick each topic as read, revised and tested.
Assistant Agriculture Officer (AAO): Step-by-Step Preparation Plan
- Read the exam overview and the pattern table carefully and note the points that matter for your paper.
- Turn the subject-wise syllabus into a checklist of topics.
- Solve previous papers every week and keep a small notebook of the mistakes you made.
- Open the official notice once a month, because the board can change the syllabus or the pattern.
Earlier OPSC Notifications
Earlier OPSC notifications we have tracked, for comparison. Tap a title to open it, or see all OPSC updates.
| Update | Type | Posts | Key date |
|---|---|---|---|
| OPSC Assistant Section Officer Syllabus 2026 & Exam Pattern | Syllabus | — | 10 Oct 2026 |
| OPSC OCS Mains Soon Admit Card 2026 – Download Link | Admit Card | — | 07 Nov 2026 |
| OPSC 758 AEE Admit Card 2026 – Download Link | Admit Card | 758 | 11 Nov 2026 |
OPSC Assistant Agriculture Officer (AAO) Syllabus: Important Links
| Link | Open |
|---|---|
| All OPSC updates | Open OPSC Recruitment |
| OPSC latest jobs | View jobs |
| OPSC admit cards | View admit cards |
| OPSC results | View results |
OPSC Assistant Agriculture Officer (AAO) Syllabus: Frequently Asked Questions
Who conducts Assistant Agriculture Officer (AAO)?
Assistant Agriculture Officer (AAO) is conducted by Odisha Public Service Commission (OPSC).
What is the mode of the Assistant Agriculture Officer (AAO) exam?
The exam mode is Offline (OMR Based).
Is there negative marking in Assistant Agriculture Officer (AAO)?
Negative marking: Yes (25%).
What is the level of Assistant Agriculture Officer (AAO)?
It is a Graduation (Agriculture/Horticulture) exam.
Where can I download the official Assistant Agriculture Officer (AAO) syllabus or notice?
Use the official link in the Important Links table of this page or open the website of OPSC. The official document is the final word if anything changes.
Can the Assistant Agriculture Officer (AAO) syllabus or pattern change?
Yes. The conducting body may revise the syllabus or the pattern in a new notice, so check the official notice before you start and again before the exam.
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