SarkariResultHome.comTNPSC Assistant Agricultural Officer (AAO) Syllabus 2026 & Exam Pattern
Written by Parth on 11 Oct 2026 · Organisation: Tamil Nadu Public Service Commission · State: Tamil Nadu
Students preparing for Assistant Agricultural Officer (AAO) can now see the syllabus from Tamil Nadu Public Service Commission (TNPSC) on its official website. The sections below turn it into a plan.
The direct links are in the Important Links table below.
You can also see more TNPSC updates on the TNPSC Recruitment page, all syllabus and the home page.
TNPSC Assistant Agricultural Officer (AAO) Syllabus 2026: Exam Date & Pattern
| Important Dates | Key Details |
|---|---|
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TNPSC Assistant Agricultural Officer (AAO) Selection Process & Exam Details
Selection normally runs in this order for this kind of Sarkari Naukri. The official notice has the final word, so check it for the exact rounds.
- Written Examination
- Interview
Assistant Agricultural Officer (AAO): What This Page Covers
Here you get the exam overview of Assistant Agricultural Officer (AAO), followed by the exam pattern and the syllabus, all in one place.
- 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 Agricultural Officer (AAO): Exam Overview
The paper is taken in Offline (OMR Based) mode.
The pattern in short - marks: 450.
Selection stages given for this exam: Written Examination, Certificate Verification & Counselling.
| Detail | Information |
|---|---|
| Exam name | Combined Technical Services Examination (Diploma/ITI Level) |
| Post / course | Assistant Agricultural Officer (AAO) |
| Mode of exam | Offline (OMR Based) |
| Selection stages | Written Examination, Certificate Verification & Counselling |
| Marks | 450 |
| Vacancies | 110 |
| Recruitment Authority | Tamil Nadu Public Service Commission (TNPSC) |
| Number of Papers | Paper I & Paper II |
| Paper II Subject | Agriculture (Diploma Standard) |
Assistant Agricultural Officer (AAO): AAO 2026
Check the aao 2026 for Assistant Agricultural Officer (AAO) in the table below.
In short: mode: OMR based.
| Paper | Subject | Questions | Marks | Duration |
|---|---|---|---|---|
| Paper I (Part A) | Tamil Eligibility Test | 100 | 150 | 3 Hours |
| Paper I (Part B) | General Studies | 75 | 150 | 3 Hours |
| Paper I (Part C) | Aptitude & Mental Ability | 25 | 150 | 3 Hours |
| Paper II | Agriculture (Diploma Standard) | 200 | 300 | 3 Hours |
Assistant Agricultural Officer (AAO): AAO Marking Scheme 2026
Check the aao marking scheme 2026 for Assistant Agricultural Officer (AAO) in the table below.
In short: mode: OMR based.
| Component | Marks |
|---|---|
| Paper I | 150 |
| Paper II | 300 |
| Total Marks | 450 |
Assistant Agricultural Officer (AAO): AAO Paper I 2026
The table below gives the aao paper i 2026 of Assistant Agricultural Officer (AAO), as it is given in the source.
In short: mode: OMR based.
| Subject | Important Topics |
|---|---|
| History | Indian History, Tamil Nadu History, Freedom Movement |
| Geography | Physical Geography, Indian Geography, Climate, Agriculture |
| Polity | Constitution, Parliament, Local Government |
| Economy | Agriculture Economy, Rural Development, Budget |
| Science | Physics, Chemistry, Biology, Environmental Science |
| Current Affairs | National, International, Sports, Agriculture, Government Schemes |
Assistant Agricultural Officer (AAO): AAO Paper I 2026 Syllabus
The table below gives the aao paper i 2026 syllabus of Assistant Agricultural Officer (AAO), as it is given in the source.
| Section | Topics |
|---|---|
| Unit I: Aptitude (15 Questions) | Simplification, Percentage, Highest Common Factor (HCF), Lowest Common Multiple (LCM), Ratio and Proportion, Simple Interest, Compound Interest, Area, Volume, Time and Work |
| Unit II: Reasoning (10 Questions) | Logical Reasoning, Puzzles, Dice, Visual Reasoning, Alpha Numeric Reasoning, Number Series |
Assistant Agricultural Officer (AAO): Important Topics from the AAO Agriculture 2026 Syllabus
The table below gives the important topics from the aao agriculture 2026 syllabus of Assistant Agricultural Officer (AAO), as it is given in the source.
| High-Weightage Areas | Important Topics |
|---|---|
| Agronomy | Cropping systems, tillage, irrigation, nutrient management |
| Soil Science | Soil fertility, fertilizers, biofertilizers, soil conservation |
| Crop Production | Seed technology, sowing methods, harvesting, post-harvest management |
| Plant Protection | Insect pests, plant diseases, IPM, weed management |
| Horticulture | Fruits, vegetables, spices, plantation crops |
| Agricultural Economics | Farm management, agricultural marketing, crop insurance |
| Agricultural Extension | Rural development, communication methods, government schemes |
Assistant Agricultural Officer (AAO): Best Books for AAO 2026
Check the best books for aao 2026 for Assistant Agricultural Officer (AAO) in the table below.
In short: mode: OMR based.
| Subject | Recommended Books |
|---|---|
| Agriculture | Diploma Agriculture Notes, TNAU Study Material |
| Agronomy | Fundamentals of Agronomy by Arun Katyayan |
| Soil Science | Introductory Soil Science by D.K. Das |
| Plant Pathology | Plant Pathology by R.S. Mehrotra |
| Entomology | Agricultural Entomology by V.B. Awasthi |
| General Studies | TNPSC General Studies Manual |
| Aptitude | Quantitative Aptitude by R.S. Aggarwal |
| Current Affairs | Daily Newspaper and Monthly Current Affairs Magazine |
Assistant Agricultural Officer (AAO): Subjects That Carry the Highest Marks
In the pattern table (TNPSC AAO Exam Pattern 2026), the most marks are carried by Paper II (300).
Marks differ from paper to paper, so check the table of your own paper.
Assistant Agricultural Officer (AAO): Best Books for AAO 2026 Syllabus
The table below gives the best books for aao 2026 syllabus of Assistant Agricultural Officer (AAO), as it is given in the source.
| Also check |
|---|
| TNPSC AAO Previous Year Question Papers |
Assistant Agricultural 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.
- 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 Agricultural 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.
- Give the subjects that carry more marks (see the section above) more time, and study them first.
- 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.
Who can apply to TNPSC
Qualification varies from Class 10 to a degree depending on the group. Age limits are relaxed for reserved categories and for some other groups as per state government rules.
Read more on the TNPSC company page or visit the official website at tnpsc.gov.in.
Earlier TNPSC Notifications
Earlier TNPSC notifications we have tracked, for comparison. Tap a title to open it, or see all TNPSC updates.
| Update | Type | Posts | Key date |
|---|---|---|---|
| TNPSC Group 2 Complete Guide Syllabus 2026: Topic-wise Details | Syllabus | — | 25 Oct 2026 |
| TNPSC Group 1 Prelims Mains Syllabus 2026 | Syllabus | — | 06 Sep 2026 |
| TNPSC Group 4 Syllabus 2026: Topic-wise Details | Syllabus | — | 05 Nov 2026 |
| TNPSC Group 2 Exam Admit Card 2026 | Admit Card | — | 01 Nov 2026 |
| TNPSC Group 2 Mains Answer Key 2026 Released | Answer Key | — | 29 Jun 2026 |
TNPSC Assistant Agricultural Officer (AAO) Syllabus: Important Links
| Link | Open |
|---|---|
| Official Website — Open | Click Here |
| All TNPSC updates | Open TNPSC Recruitment |
| TNPSC latest jobs | View jobs |
| TNPSC admit cards | View admit cards |
| TNPSC results | View results |
TNPSC Assistant Agricultural Officer (AAO) Syllabus: Frequently Asked Questions
What is the mode of the Assistant Agricultural Officer (AAO) exam?
The exam mode is Offline (OMR Based).
What are the total marks of Assistant Agricultural Officer (AAO)?
Marks: 450.
Where can I download the official Assistant Agricultural Officer (AAO) syllabus or notice?
Use the official link in the Important Links table of this page or open the website of TNPSC. The official document is the final word if anything changes.
Can the Assistant Agricultural 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.
Where can I get the latest Sarkari Result updates of TNPSC?
SarkariResultHome.com posts every new update of TNPSC as soon as it is published. Bookmark the site and open it directly to see the newest jobs, admit cards, Sarkari Results and answer keys.
Source and Credit
The facts on this page come from the syllabus and exam pattern notice published by Tamil Nadu Public Service Commission on its official website tnpsc.gov.in. We have put the information in our own words and layout. The official website is the final word, so please check it before you apply, pay a fee or travel.
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