BPSC AEDO Syllabus 2026: PT + Mains Exam Pattern & Complete Topics

The BPSC Agriculture Extension District Officer exam has a two-stage structure — a Preliminary Test (PT) to filter candidates, and a detailed Mains to select the final merit list. If you have a B.Sc. Agriculture background, the agriculture subject paper will be your scoring engine. But the General Studies and Hindi sections are where candidates with poor strategy lose ground. Here is the complete breakdown.

📝 BPSC AEDO Previous Year Papers 2026 — see the actual question types that come from this syllabus.

BPSC AEDO Exam Structure — Overview

PT Exam Pattern — Subject-wise Distribution

Negative marking: -0.25 per wrong answer. Time: 2 hours. Medium: Hindi and English bilingual paper.

PT — Agriculture Topics (50 marks)

This is your home ground. Score 40+ here to compensate for GK variance.

• Agronomy: Kharif crops (paddy, maize, soybean, cotton), Rabi crops (wheat, gram, mustard, barley), Zaid crops. Crop-specific nutrient requirements, sowing methods, yield potential. Crop rotation and intercropping systems.
• Soil Science: Soil types in Bihar (alluvial dominant), soil pH ranges for major crops, NPK nutrients — deficiency symptoms, sources. Organic matter and soil health. Biofertilizers (Rhizobium, Azospirillum, PSB). Soil erosion and water conservation.
• Horticulture: Fruits — mango, litchi (Bihar is top litchi producer in India), banana, guava. Vegetables — potato, tomato, brinjal, onion. Spices — ginger, turmeric. Post-harvest management basics.
• Plant Protection: Major pests of paddy (stem borer, gall midge, brown planthopper), wheat (aphid, rust), vegetables. Major diseases — late blight (potato, Phytophthora infestans), blast (paddy, Magnaporthe oryzae). IPM principles. Common insecticides and fungicides (generic names).
• Agricultural Extension: Extension methods (farm and home visits, demonstrations, field days, Kisan Goshthi). Communication channels. ATMA (Agricultural Technology Management Agency) structure. Krishi Vigyan Kendra (KVK) functions. Technology dissemination models.
• Seed Science: Seed certification classes (Foundation, Certified, Truthful), seed testing (germination %, moisture content), seed treatment chemicals. HYV (High Yielding Varieties) vs. hybrid seeds.
• Agricultural Economics: Land holdings in Bihar (small and marginal dominant), agricultural credit (short-term, medium-term, long-term), minimum support price (MSP) mechanism, APMC, e-NAM. Agricultural marketing and cooperative structure.
• Bihar Agriculture Specifics: Major crops (paddy, wheat, maize, sugarcane, litchi, makhana — Fox Nut), crop calendar, flood-affected areas (Kosi belt), drought-prone districts (South Bihar plateau). Government schemes — Bihar Rashtriya Krishi Vikas Yojana, Mukhyamantri Tivra Beej Vistar Yojana.

PT — General Studies Topics (75 marks)

• Bihar History: Ancient Bihar (Magadha, Pataliputra, Maurya empire, Ashoka), Medieval (Sher Shah Suri from Bihar), Modern (Champaran Satyagraha 1917 — Gandhi's first satyagraha in India, Quit India 1942 role).
• Bihar Geography: Rivers (Ganga, Kosi — "Sorrow of Bihar", Gandak, Ghaghra, Son), regions (North Bihar plains, South Bihar plateau), districts (38 total), bordering states (UP, Jharkhand, West Bengal) and Nepal.
• Bihar Current Affairs: Jal-Jeevan-Hariyali Mission, 7 Nishchay schemes, Nal Jal Yojana, Bihar Industrial Investment Promotion Policy, recent appointments.
• Indian Constitution: Fundamental Rights, Directive Principles, Preamble, amendment process, federal structure, Centre-State relations (Articles 256-263).
• Indian Economy: GDP, inflation, budget basics, FDI, MSME sector, banking (RBI functions), agricultural credit, NABARD.
• General Science: Basic physics (laws of motion, electricity), chemistry (common reactions, periodic table basics), biology (cell structure, human body systems, plant physiology basics).
• National Current Affairs: Last 6 months — schemes, appointments, sports, science/tech achievements.

Mains Agriculture Syllabus — Paper II & III

Both Agriculture papers are descriptive (written answers). The questions are longer, require explanation, and carry 300 marks each. Cover these topics in depth:

• Paper II (Agri I): Agronomy (crop production), Soil Science (soil fertility, irrigation), Horticulture (production technology for fruits, vegetables, flowers), Seed Technology (production, certification, storage)
• Paper III (Agri II): Plant Pathology (diseases, their management), Entomology (insects, pest management), Agricultural Extension Education (theories, methods, rural sociology), Agricultural Economics and Marketing

Mains Paper I — General Hindi (Qualifying)

100 marks, descriptive. You need to pass (typically 33%) but marks don't count in merit. Sections: Essay writing (30 marks), Precis writing (20 marks), Grammar (25 marks), Translation Hindi-English (25 marks). Focus on passing — don't over-invest time here.

Interview — 50 Marks

Interview at BPSC office, Patna. Questions typically cover: your B.Sc. agriculture specialisation, Bihar's agriculture challenges, current central and state schemes, your approach to farmer extension work, and general awareness. 30-45 minutes typically. Dress formally, speak in Hindi or English as comfortable.

Recommended Books for BPSC AEDO Preparation

What No Other Site Tells You About BPSC AEDO Syllabus

The Agriculture section in the PT is the highest return-on-investment area for any B.Sc. Agriculture graduate. The questions stay within your 4-year degree curriculum — no surprises. Target 40/50 in Agriculture and 18/25 in Reasoning (very doable with 2 weeks practice) — that's 58/75 from your strongest sections alone. General Studies then only needs to contribute 30–35 more marks for you to comfortably clear PT.

For Mains, the Agricultural Extension paper in Paper III is consistently underrated by students who focus only on agronomy and plant pathology. Extension Education questions are direct, theoretical, and easy to score — but students who haven't read a single extension textbook leave 40–50 marks on the table. Read one good extension book cover to cover.

Interview tip that nobody tells you: BPSC interviewers for Agriculture posts pay close attention to candidates who can talk about specific Bihar agriculture problems — Kosi flood impact on crops, makhana cultivation in Darbhanga, and the litchi export potential. These are conversation-openers that show genuine field awareness.

Frequently Asked Questions

Q: Is there negative marking in BPSC AEDO PT exam?

Yes — 0.25 marks are deducted for each wrong answer in the PT. With 150 questions and 2 hours, you have 48 seconds per question. Use the 2-option rule: if you can eliminate 2 options with confidence, guess from the remaining 2. If you're completely uncertain, skip — the math favours skipping over random guessing with 4 options.

Q: What is the PT cutoff for BPSC AEDO?

BPSC does not publish PT cutoffs in advance — they are determined based on vacancy count and the number of candidates who appear. Typically, BPSC calls 10–15 times the number of vacancies to Mains. For a competitive cycle, aiming for 100+/150 in PT puts you comfortably in the safe zone regardless of fluctuation.

Q: Are B.Sc. Horticulture or B.Sc. Forestry graduates eligible for BPSC AEDO?

Eligibility is specified precisely in each BPSC notification. Generally, B.Sc. Agriculture is the primary qualification. Some notifications also accept B.Sc. (Horticulture) from accredited agricultural universities. B.Sc. Forestry is typically not included. Always read the specific recruitment notification for the exact qualification criteria before applying.

Q: How many months of preparation are needed for BPSC AEDO?

For a B.Sc. Agriculture fresher with no prior competitive exam preparation: 4–6 months of focused study is adequate. Breakdown — Agriculture subject: 2 months (you already know most of it, just organize and revise), Bihar GK: 3 weeks, National GK: 3 weeks, Reasoning: 2 weeks, Hindi writing (for Mains): 4 weeks. Practice PT mock tests in the final month. Mains preparation needs additional 3–4 months after PT result.

Q: Is BPSC AEDO interview easy?

BPSC interviews are generally straightforward for agriculture posts. The interview board tests subject knowledge, awareness of Bihar's agriculture sector, and general confidence. Scoring 30–35/50 is realistic for a well-prepared candidate. High scorers connect their textbook knowledge to practical Bihar-specific examples — that's the differentiator.

BPSC AEDO Syllabus 2026: PT + Mains Exam Pattern और पूरे Topics

BPSC Agriculture Extension District Officer exam दो stages में होती है — Preliminary Test (PT) candidates को filter करता है, और Mains final merit list बनाती है। अगर aapke पास B.Sc. Agriculture की degree है, तो Agriculture subject paper aapका scoring engine है। लेकिन General Studies और Hindi में poor strategy की वजह से candidates पीछे रह जाते हैं। यहाँ complete breakdown है।

📝 BPSC AEDO Previous Year Papers 2026 — इस syllabus से actual question types देखें।

BPSC AEDO Exam Structure — Overview

PT Exam Pattern — Subject-wise Distribution

Negative Marking: गलत जवाब पर -0.25 mark कटता है। समय: 2 घंटे। Paper bilingual (Hindi और English) होती है।

PT — Agriculture Topics (50 marks)

यह aapका strongest area है। यहाँ 40+ score करने का target रखें।

• Agronomy: Kharif crops (धान, मक्का, सोयाबीन, कपास), Rabi crops (गेहूँ, चना, सरसों, जौ), Zaid crops। Crop-specific nutrients, sowing methods, yield potential। Crop rotation और intercropping।
• Soil Science: Bihar के soil types (alluvial dominant), major crops के लिए soil pH, NPK nutrients — deficiency symptoms, sources। Organic matter। Biofertilizers (Rhizobium, Azospirillum, PSB)। Soil erosion और water conservation।
• Horticulture: Fruits — आम, लीची (Bihar India का top litchi producer), केला, अमरूद। Vegetables — आलू, टमाटर, बैंगन, प्याज। Post-harvest management।
• Plant Protection: Major pests — धान में stem borer, gall midge, BPH; गेहूँ में aphid, rust। Major diseases — potato late blight (Phytophthora infestans), rice blast (Magnaporthe oryzae)। IPM principles।
• Agricultural Extension: Extension methods (farm visits, demonstrations, Kisan Goshthi, field days)। ATMA structure। KVK functions। Technology dissemination models।
• Bihar Agriculture: Major crops (धान, गेहूँ, मक्का, गन्ना, लीची, मखाना)। Flood-affected areas (Kosi belt)। Government schemes — Bihar Rashtriya Krishi Vikas Yojana।

PT — General Studies Topics (75 marks)

• Bihar History: Ancient (मगध, पाटलिपुत्र, मौर्य साम्राज्य, अशोक), Medieval (शेरशाह सूरी), Modern (Champaran Satyagraha 1917 — Gandhi का भारत में पहला satyagraha)।
• Bihar Geography: Rivers (गंगा, कोसी — "Bihar का शोक", गंडक, घाघरा, सोन), Districts (38 total), bordering states (UP, Jharkhand, West Bengal) और Nepal।
• Bihar Current Affairs: Jal-Jeevan-Hariyali Mission, 7 Nishchay Yojana, recent appointments।
• Indian Constitution: Fundamental Rights, DPSP, Preamble, federal structure, Centre-State relations।
• General Science: Basic physics, chemistry (common reactions), biology (plant physiology, human body)।

Mains Agriculture Syllabus — Paper II और III

दोनों Agriculture papers descriptive (written answers) हैं। Questions longer होते हैं, explanation चाहिए, और दोनों papers 300-300 marks के हैं:

• Paper II (Agriculture I): Agronomy (crop production technology), Soil Science (soil fertility, irrigation, water management), Horticulture (fruits, vegetables, flowers production technology), Seed Technology (production, certification, storage)
• Paper III (Agriculture II): Plant Pathology (diseases and management), Entomology (insects and pest management), Agricultural Extension Education (theories, methods, rural sociology, communication), Agricultural Economics और Marketing

Mains Paper I — General Hindi (Qualifying)

100 marks, descriptive। Pass करना ज़रूरी है (generally 33%) लेकिन marks merit में count नहीं होते। Sections: Essay writing (30 marks), Precis writing (20 marks), Grammar (25 marks), Translation Hindi-English (25 marks)। यहाँ बस pass करें — ज़्यादा time invest मत करें।

Recommended Books

जो बात कोई नहीं बताता — BPSC AEDO Syllabus Strategy

Agriculture section PT में सबसे high return-on-investment area है किसी भी B.Sc. Agriculture graduate के लिए। Questions aapके 4-year degree curriculum में ही रहते हैं। Agriculture में 40/50 target करें और Reasoning में 18/25 (2 हफ्ते practice से possible) — यह 58/75 aapके strongest sections से आए। General Studies को बस 30-35 marks contribute करने हैं।

Mains में Agricultural Extension paper (Paper III) को students underestimate करते हैं। Extension Education questions direct, theoretical, और easy-to-score होते हैं — लेकिन जिसने extension textbook नहीं पढ़ी, वो 40-50 marks गँवा देता है। एक अच्छी extension book cover-to-cover पढ़ें।

Interview tip: BPSC interviewers agriculture posts के लिए Bihar-specific awareness पर special attention देते हैं — Kosi flood impact, Darbhanga में मखाना cultivation, और litchi export potential। ये conversation-openers हैं जो genuine field awareness दिखाते हैं।

अक्सर पूछे जाने वाले प्रश्न

Q: BPSC AEDO PT में Negative Marking है?

हाँ — PT में हर गलत जवाब पर 0.25 marks कटते हैं। 150 questions, 2 घंटे में — प्रति question 48 seconds। 2-option rule use करें: अगर 2 options confidently eliminate कर सकते हैं, तो remaining 2 में से guess करें। पूरी तरह uncertain हो तो skip करें।

Q: BPSC AEDO PT का cutoff कितना होता है?

BPSC PT cutoff advance में announce नहीं करता — यह vacancy count और appeared candidates पर depend करता है। Generally BPSC vacancies से 10-15 गुना candidates को Mains के लिए बुलाता है। Competitive cycle में 100+/150 score comfortable zone में रखता है।

Q: BPSC AEDO की preparation के लिए कितने महीने चाहिए?

B.Sc. Agriculture fresher के लिए 4-6 महीने sufficient हैं। Breakdown: Agriculture subject — 2 महीने (mostly revision, already known), Bihar GK — 3 हफ्ते, National GK — 3 हफ्ते, Reasoning — 2 हफ्ते, Hindi writing (Mains) — 4 हफ्ते। Final month में PT mock tests। PT result के बाद Mains preparation के लिए 3-4 महीने अलग से।

Q: Mains में Agriculture कितना important है?

बहुत important — Mains के 650 marks में से 600 marks (Papers II और III) Agriculture के हैं। Interview 50 marks का है। Hindi Paper qualifying है। यानी effectively आपकी merit 600 Agriculture + 50 Interview = 650 marks पर बनती है। Agriculture में हर mark precious है।

Q: BPSC AEDO Interview कैसा होता है?

Interview BPSC office, Patna में होती है। Questions mainly: aapकी B.Sc. specialisation, Bihar agriculture challenges, central और state schemes, farmer extension work approach, और general awareness। 30-45 minutes। Formally dress करें, Hindi या English जो comfortable हो उसमें बोलें। 30-35/50 score realistic है well-prepared candidates के लिए।