Free ZIMSEC O-Level Revision

Agriculture Revision & Mock Test

Study the core Agriculture topics, practise original questions, receive an instant mark, read corrections and see which topics need more work.

10 topic guides · 10-question mock · instant corrections

Practice notice: Original New Horizon practice questions – not an official ZIMSEC examination paper.

Agriculture topic guides

1. Agricultural Systems and Safety

Learn

Understand farm systems, records, tools, PPE and safe chemical handling.

Exam focus: Read labels and protect people, animals and water.

2. Soil Science

Learn

Study soil formation, texture, structure, pH, fertility, erosion and conservation.

Exam focus: Match management to soil test evidence.

3. Crop Production

Learn

Plan land preparation, planting, spacing, nutrition, irrigation, weed control and harvesting.

Exam focus: Use correct timing and local conditions.

4. Plant Nutrition

Learn

Explain macro- and micronutrients, deficiency symptoms, manure and fertilisers.

Exam focus: Do not diagnose from one symptom alone.

5. Pests and Diseases

Learn

Identify causes, life cycles and integrated pest management methods.

Exam focus: Combine cultural, biological and careful chemical control.

6. Livestock Production

Learn

Study breeds, housing, feeding, reproduction, health and welfare.

Exam focus: Clean water and disease prevention are fundamental.

7. Farm Mechanisation

Learn

Use and maintain hand tools, machinery, irrigation and energy systems safely.

Exam focus: Service equipment before failure.

8. Agricultural Economics

Learn

Calculate costs, revenue, profit, budgets and evaluate markets.

Exam focus: Keep accurate production and sales records.

9. Sustainable Agriculture

Learn

Use rotations, conservation farming, agroforestry and water management.

Exam focus: Protect long-term soil productivity.

10. Agricultural Experiments

Learn

Form hypotheses, control variables, collect data and draw evidence-based conclusions.

Exam focus: Repeat measurements and present clear tables or graphs.

Agriculture mock test

Choose one answer for each question, then submit. Unanswered questions are marked incorrect.

1. Which soil particle is largest?

sand clay silt humus

2. A soil pH of 5 is:

acidic neutral alkaline only salty

3. Legumes can improve soil nitrogen through association with:

Rhizobium bacteria viruses earthworms only algae only

4. Crop rotation helps to:

break pest cycles and manage fertility increase erosion remove all soil water eliminate records

5. Integrated pest management uses:

several compatible control methods only maximum pesticide no monitoring burning every crop

6. Roughage is important mainly for:

ruminant digestion tractor engines seed storage soil pH testing

7. Profit equals:

revenue minus costs costs minus revenue revenue plus losses yield divided by rain

8. PPE should be worn when:

handling farm chemicals sleeping reading records pricing produce

9. The independent variable is the factor that is:

deliberately changed measured as an outcome kept secret always zero

10. Contour farming mainly reduces:

soil erosion on slopes seed germination market prices animal breeding

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