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OPSC AAO Syllabus 2026, Subject Wise Topics, Exam Pattern

OPSC AAO Syllabus 2026 covers Agriculture and Horticulture. The exam has two papers. Both papers carry 100 marks each. Negative marking applies. A comprehensive strategy is vital for success in this competitive exam.
authorImageNeha Tanna6 Jan, 2026

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OPSC AAO Syllabus

OPSC AAO Syllabus 2026: The Odisha Public Service Commission (OPSC) announced the OPSC AAO Syllabus and Exam Pattern 2026 for Assistant Agriculture Officer (AAO) recruitment. Candidates must clearly understand the updated OPSC AAO Syllabus 2026 and marking scheme.

A well-planned strategy based on the official syllabus can greatly enhance accuracy. It also improves overall exam performance. Knowledge of the syllabus helps candidates prioritize subjects. It allows them to manage their study time effectively.

OPSC AAO 2026 Recruitment Overview

The Odisha Public Service Commission (OPSC) is conducting the exam for the post of Assistant Agriculture Officer (AAO). This exam follows an offline (OMR-based) mode, offering 200 marks for the written test and 25 marks for the interview. Check below for the OPSC AAO 2026 Recruitment overview:

OPSC AAO 2026 Recruitment Overview

Particulars

Details

Conducting Authority

Odisha Public Service Commission (OPSC)

Exam Name

OPSC AAO Exam 2026

Post Name

Assistant Agriculture Officer (AAO)

Exam Mode

Offline (OMR Based)

Question Type

Objective (MCQs)

Written Exam Marks

200

Interview Marks

25

Negative Marking

Yes (25%)

Exam Level

Graduation (Agriculture/Horticulture)

OPSC AAO Subject-Wise Syllabus

This section provides detailed information on the OPSC AAO Syllabus, including the main topics and sub-topics for both papers. Candidates should carefully review each unit, as questions may be asked from any section.

OPSC AAO Syllabus for Paper I

Paper I covers crop production, horticulture, and plant protection. It also includes environmental aspects of agriculture.

  • Unit I – Agronomy

  • Agronomy

  • Farming Systems and Sustainable Agriculture

  • Principles of Organic Farming

  • Crop Production Technology

  • Unit II – Horticulture

  • Production Technology of Fruit Crops

  • Production Technology of Vegetable Crops

  • Production Technology of Floriculture Crops

  • Unit III – Plant Protection

  • Plant Pathology and Microbiology

  • Diseases of Field Crops

  • Diseases of Horticultural Crops

  • Entomology

  • Nematode Pests of Horticultural Crops and Their Management

  • Unit IV – Allied Agricultural Sciences

  • Agriculture and Sericulture

  • Agro-Meteorology and Climate Change

  • Forestry

OPSC AAO Syllabus for Paper II

Paper II covers soil science, crop improvement, and agricultural extension. It also includes economics and modern agricultural practices.

  • Unit I – Soil Science and Technology

  • Geoinformatics and Nano-technology

  • Fundamentals of Soil Science

  • Soil Fertility and Nutrient Management

  • Problematic Soils and Their Management

  • Unit II – Crop Improvement

  • Principles of Seed Technology

  • Genetics and Plant Breeding

  • Introductory Crop Physiology

  • Unit III – Extension and Economics

  • Agricultural Extension Education

  • Agricultural Economics

  • Statistical Methods

  • Agri-Business Management

  • Agricultural Marketing, Trade, and Prices

  • Unit IV – Agriculture Development

  • Agriculture Heritage

  • Farmer Empowerment Schemes

OPSC AAO Exam Pattern

The OPSC AAO Syllabus is at the bachelor’s degree level. It focuses on core agricultural subjects. It also tests applied knowledge. The OPSC AAO Exam Pattern 2026 includes a written exam and a Personality Test. The written exam is objective type with negative marking. Review the structure below.

OPSC AAO Exam Pattern

Paper

Subject

Questions

Marks

Duration

Paper I

Agriculture

100

100

2 Hours

Paper II

Agriculture

100

100

2 Hours

For each correct answer, 1 mark is added. For each wrong answer, 0.25 marks are deducted. No marks are deducted for unattempted questions.

Steps to Prepare OPSC AAO Syllabus

A smart preparation strategy is key to cracking the OPSC AAO exam. Focus on understanding concepts. Then practice regularly.

  • Understand the OPSC AAO Syllabus thoroughly.

  • Prioritize core subjects. This includes Agronomy, Soil Science, and Plant Protection.

  • Study from the standard B.Sc. Agriculture textbooks.

  • Make short notes for quick revision.

  • Use diagrams and flowcharts for clarity.

  • Practice topic-wise Multiple Choice Questions (MCQs).

  • Attempt full-length mock tests regularly.

  • Analyze each mock test to find weak areas.

  • Avoid blind guessing due to negative marking.

  • Dedicate the final weeks only to revision.

Aspirants must join Physics Wallah's Join Agriculture Online Courses to boost their readiness for the Agriculture Competitive Examinations. Our courses offer daily live classes, study notes, recorded classes, test series, and more.

OPSC AAO Syllabus FAQs

How many questions are asked in the Assistant Agriculture Officer Odisha Exam?

The Assistant Agriculture Officer Odisha exam has a total of 200 questions.

Does the Assistant Agriculture Officer Odisha's written exam include any negative marking?

Yes. For each incorrect answer, 0.25 of a mark is deducted.

What is the procedure for selecting a candidate?

Candidates are selected based on their performance in the written test. This is followed by an interview.

Is the OPSC AAO Syllabus 2026 common for all candidates?

Yes, the OPSC AAO Syllabus 2026 is common for all candidates appearing for the Assistant Agriculture Officer exam.
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