Neco Agric Science Exam 2025/2026: Full List Of Highly Repeated Topics & Past Questions

The NECO Agricultural Science Exam plays a vital role for students interested in careers in Agriculture, Veterinary Medicine, Agribusiness, and Environmental Sciences. To help you pass excellently, we’ve compiled a full list of frequently repeated topics and past questions you must study ahead of the 2025/2026 NECO exam season.

Highly Repeated Topics in NECO Agric Science Exam

1. Meaning and Importance of Agriculture

• Branches of agriculture

• Roles of agriculture in the economy

• Problems facing agriculture in Nigeria

Sample Question:
List four branches of agriculture and state one function of each.

2. Land and Its Uses

• Types and characteristics of soil

• Methods of land preparation

• Problems of land tenure system in Nigeria

Sample Question:
State three types of soil and mention two characteristics of each.

3. Soil Science

• Soil formation and profile

• Physical and chemical properties of soil

• Soil erosion and conservation

Sample Question:
Describe three methods of soil conservation in Nigeria.

4. Agricultural Ecology

• Ecological factors affecting agriculture

• Relationship between crops and environment

• Agro-ecological zones in Nigeria

Sample Question:
Mention four climatic factors that influence crop production.

5. Crop Production

• Classification of crops

• Methods of crop propagation

• Cultural practices in crop production

• Harvesting, processing, and storage

Sample Question:
Differentiate between annual and perennial crops with two examples each.

6. Animal Husbandry

• Types of farm animals

• Systems of livestock production

• Animal nutrition and reproduction

• Common animal diseases and control

Sample Question:
List four systems of poultry production and explain two.

7. Pests and Diseases of Crops and Animals

• Identification and control of common pests

• Symptoms and treatment of common diseases

• Chemical and biological control methods

Sample Question:
State three ways of controlling pests on the farm.

8. Agricultural Economics and Extension

• Principles of demand and supply

• Importance of farm budgeting

• Functions of extension agents

• Sources of agricultural finance

Sample Question:
Explain the law of diminishing returns as it applies to agriculture.

9. Farm Management and Record-Keeping

• Tools and methods of record-keeping

• Types of farm records

• Cost and revenue analysis

• Risk and uncertainty in farming

Sample Question:
List four types of farm records and state one use of each.

10. Agricultural Mechanization

• Farm tools and machines

• Maintenance of simple farm tools

• Advantages and disadvantages of mechanization

Sample Question:
Mention five simple farm tools and their uses.

11. Forestry and Wildlife

• Importance of forests and wildlife

• Methods of conservation

• Government policies on deforestation

Sample Question:
State four ways of conserving forest resources.

12. Agricultural Extension

• Communication methods used by extension agents

• Qualities of a good extension worker

• Importance of rural sociology in agriculture

Sample Question:
List three roles of agricultural extension in rural development.

13. Fisheries

• Types of fish (finfish and shellfish)

• Methods of fish harvesting and preservation

• Fish farming practices

Sample Question:
Differentiate between capture and culture fisheries.

14. Horticulture

• Principles of ornamental and vegetable gardening

• Importance of horticulture in Nigeria

• Landscaping and flower arrangements

Sample Question:
Mention four economic uses of horticultural crops.

Sample NECO Agric Science Objective Questions

1. Which of the following is a macro-nutrient required by plants?
   A. Iron
   B. Magnesium
   C. Nitrogen
   D. Copper
   Answer: C

2. A plant that completes its life cycle within a year is called:
   A. Perennial
   B. Biennial
   C. Annual
   D. Monocot
   Answer: C

3. Which of the following tools is used for transplanting seedlings?
   A. Hoe
   B. Hand trowel
   C. Cutlass
   D. Pruning knife
   Answer: B

4. An example of a ruminant animal is:
   A. Pig
   B. Rabbit
   C. Cow
   D. Horse
   Answer: C

5. Which method of irrigation involves water rising to the soil surface by capillarity?
   A. Overhead irrigation
   B. Surface irrigation
   C. Sub-surface irrigation
   D. Sprinkler irrigation
   Answer: C

Study Tips for NECO Agric Science

• Use flashcards to memorize farm tools, pests, and diseases

• Study diagrams and practice labeling tasks

• Practice 10 years of past NECO questions

• Group-study can help reinforce difficult concepts

• Don’t skip practical topics, especially crop and animal diagrams

Frequently Asked Questions (FAQs)

Q1: Is Agricultural Science in NECO theory or practical?

Both. The exam usually includes objective, theory (essay), and practical paper.

Q2: How many papers are in NECO Agric Science?

There are three papers:

• Paper I: Objectives

• Paper II: Essay/Theory

• Paper III: Practical Agriculture

Q3: How can I pass NECO Agric Science in one month?

• Focus on highly repeated topics listed here

• Practice past questions daily

• Study in a distraction-free environment

• Watch short YouTube videos for practicals

Q4: Are NECO Agric questions repeated?

Yes, topics and question patterns are often repeated with slight variations.

Q5: What are the best textbooks for NECO Agric Science?

• Essential Agricultural Science for Senior Secondary Schools

• Comprehensive Agricultural Science by O.A. Iwena

• WAEC/NECO Past Questions Compilation

Conclusion

Preparing for the NECO Agric Science Exam 2025/2026 doesn't have to be hard. With this guide that outlines highly repeated topics and sample past questions, you're already halfway to success. Be consistent, study smart, and don’t ignore practicals.