-
Ikiodiete George
- 3 Min Read
Neco Agricultural Science Exam (2025/2026): Full List Of Most Repeated Topics & Past Questions
The NECO Agricultural Science exam can be very rewarding—especially if you prepare using the right topics and past questions. Every year, NECO repeats several questions in both objective and theory sections, and if you study these repeated areas well, you’ll increase your chances of scoring A1.
This blog post gives you everything you need: most repeated topics, sample questions, and smart exam tips.
NECO Agricultural Science Exam Structure
| Paper | Type | Details |
|---|---|---|
| Paper I | Objective (OBJ) | 50 compulsory multiple-choice questions |
| Paper II | Essay/Theory | 6–7 structured questions (answer 4) |
| Paper III | Practical/Alternative | Diagrams, tools, specimens (for schools with no labs) |
Most Repeated Topics in NECO Agricultural Science
| Topic Area | Details |
|---|---|
| Soil Science | Soil types, formation, properties, conservation |
| Crop Production | Classification, planting, spacing, harvesting |
| Farm Tools & Implements | Identification, uses, maintenance |
| Animal Husbandry | Types, ruminants vs non-ruminants, feeding, reproduction |
| Agricultural Ecology | Climate, biotic/abiotic factors, crop adaptation |
| Pests & Diseases | Types, control methods, symptoms of major crop diseases |
| Agricultural Economics | Farm records, marketing, supply/demand |
| Fertilizers & Manures | Organic vs inorganic, application methods |
| Plant Propagation Techniques | Budding, grafting, layering, use of nursery |
| Irrigation & Drainage Systems | Types of irrigation, importance of drainage |
Most Repeated NECO Objective Questions (Samples)
-
Which of these is a biotic factor in agriculture?
A. Soil
B. Sunlight
C. Rainfall
D. Parasites
✅ Answer: D -
Which implement is used for land clearing?
A. Rake
B. Cutlass
C. Harrow
D. Ridger
✅ Answer: B -
Which of these is a function of potassium in plants?
A. Root development
B. Photosynthesis
C. Flower and fruit development
D. Cell division
✅ Answer: C
Most Repeated NECO Essay/Theory Questions
-
Define soil erosion and list four methods of controlling it.
-
Describe the methods of controlling crop pests.
-
Explain the importance of farm records to a farmer.
-
Differentiate between ruminants and non-ruminants with examples.
-
State five differences between manure and fertilizer.
-
With the aid of a diagram, explain crop rotation and give two examples.
-
State and explain the functions of three farm tools.
-
Write short notes on any two of the following:
a) Hybrid seeds
b) Farm budgeting
c) Soil pH
NECO Agricultural Science Practical (Paper III)
| Likely Specimen/Topic | What to Expect |
|---|---|
| Soil types | Texture, color, water retention |
| Farm tools | Identification, uses, maintenance (e.g., hoe, cutlass) |
| Animal feeds | Types of feeds (concentrates, roughages), identification |
| Crop specimens | Leaf or seed identification and uses |
| Fertilizers | Types (e.g., NPK, urea), application techniques |
| Animal parts | Organs or skeletal parts of ruminants |
Year-by-Year Topic Trends (NECO Agri Science)
| Year | Frequently Repeated Topics |
|---|---|
| 2024 | Soil erosion, pests/diseases, farm tools, animal husbandry |
| 2023 | Crop classification, fertilizers, irrigation methods |
| 2022 | Farm records, ruminants vs non-ruminants, crop propagation |
| 2021 | Agricultural marketing, pests control, soil conservation |
Key Agricultural Definitions You Must Know
| Term | Definition |
|---|---|
| Soil Erosion | The removal of the topsoil by wind or water |
| Fertilizer | A chemical or natural substance added to soil to enhance fertility |
| Manure | Organic matter used to fertilize land naturally |
| Crop Rotation | The practice of growing different crops in succession on a plot |
| Pest | Organisms that damage crops or livestock |
| Irrigation | Artificial supply of water to crops |
Smart Tips to Pass NECO Agricultural Science
-
Study past questions from at least the last 5 years
-
Focus more on soil science, farm tools, crop production, and pests
-
Practice practical questions using pictures and diagrams
-
Understand key definitions and apply them with real examples
-
Read wide—but revise more on the repeated topics
Frequently Asked Questions (FAQs)
Q: Does NECO repeat Agricultural Science questions?
Yes, especially questions on soil, pests, and tools. Many theory questions repeat almost word-for-word.
Q: Do I need to do a practical in NECO Agricultural Science?
Yes. If your school lacks lab access, NECO gives you an alternative-to-practical paper.
Q: Is Agricultural Science hard in NECO?
Not really. If you focus on understanding and not just cramming, it’s one of the easiest science subjects.
Q: Are diagrams necessary?
Yes! Always use labelled diagrams for tools, rotation charts, and plant parts. It boosts your marks.
Final Words
The NECO Agricultural Science Exam (2025/2026) is very predictable—repeated questions and topics make it easier to prepare smartly. By focusing on the high-yield areas like soil, pests, fertilizers, animal husbandry, and farm records, you’ll be well on your way to scoring A1.
“Agriculture is life. Master the basics, and you’ll harvest success!”
