I believe that you’re here because you don’t know the nature of how exams are being set by WAEC. If you don’t, then you’re at the right place.

In this guide, we will talk extensively on WAEC past questions and answers for agric science, show you possible questions that may likely fall into the exams paper in the proceeding year.

Not only that, you’ll be given adequate instructions on how to answer questions on WAEC

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Recently, I wrote on two interesting topics WAEC Past Questions and Answers on Civic Education and WAEC Past Questions and Answers on Chemistry , I strongly recommend you to click on the links above and read.

The WAEC past questions and answers are mostly repeated year after year, which is why you have to read this guide carefully till the end and take notice of those questions.

Most times, I hear students giving complains about how hard the questions is, reason behind it is that they failed to study using our guide.

I believe if you’re reading this, you will definitely want to pass your exams with flying colours. See more details on the instructions and guidelines given by WAEC  to follow while writing the exams below.

Important Guidelines to follow in your WAEC Examination

There are alot of guidelines and instructions you as a student need to follow. We will bring to light what needs to be done accordingly.

The examination paper is divided into three different parts, which is Part 1,2 & 3

Part 1 is Objectives. You should expect 50 questions from this section.

Part 2  is the theory section, you should be expecting 10 questions to answer 5 from this section. This section carries the highest point.

Meaning that if you do well with this section and a little of part 1 &  2 ..then you’re good to go.

Part 3 is the practical section.

You should also note that the West African Examination Council frowns at cheating. Any candidate who is caught cheating will be sentenced to life imprisonment.

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WAEC Agricultural Science Objective Questions

The questions you see below are possible questions that might be repeated in this year’s examination.

Endeavor to read this guide to the end carefully with understanding, where possible ask relevant questions and we’ll reply prompt.


1. Which of the following is not a solution to problems of local farmers?
A. Rehabilitation bad roads
B. Subsidizing crude implements
C. Practicing improved farming method
D. Providing credit facilities by government

2. The main motive of the farmer in commercial Agriculture is to
A. Maximize profits
B. Produce rare crops varieties
C. Produce for family consumption
D. Increase risk

3. The land tenure system which leads to land fragmentation
A. Freehold
B. Inheritance
C. Pledging
D. Gift

4. Subsistence farming is practised in West Africa on land mostly acquired through
A. Pledge
B. Donation
C. Inheritance
D. Purchase

5. The roles of government in the development of Agriculture in Nigeria include the following except
A. Reorganization of the rural communities
B. Provision of extension service
C. Provision of credit facilities
D. Rehabilitation of feeders road

6. The main reason for governments enforcement of efficient quarantine laws is to
A. Check the destruction of unproductive animals
B. Attract school leavers into Agriculture
C. Give grants to researchers for Agricultural problems
D. Check and control the inflow of animals and crops

7. The most important objective of the farm settlement scheme is to
A. Supply farm tools to farmers
B. Provide subsidy for small scale farmers
C. Demonstrate that farming can be a profitable business
D. Mechanize Agriculture

8. In which of the following is land used for Agricultural purposes?
A. Forage production
B. Recreation
C. Mining
D. Road construction

9. Which of the following climatic factors is primarily necessary for photosynthesis in crop plants
A. Wind
B. Light
C. Rainfall
D. Temperature

10. An example of a biotic factor affecting crop or animal production is
A. Predator
B. Soil texture
C. Soil structure
D. Light

11. The effect of high temperature on livestock production include the following except
A. Reduction in growth rate
B. Reduction in feed intake
C. Reduction in water intake
D. Reduction in production

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12. Which of the following is the role of organisms in soil formation
A. Deposition of soil particles
B. Breaking down of rocks
C. Increasing the level of soil minerals
D. Transporting soil particles

13. Which of these rocks is formed from sandstone
A. Limestone
B. Quartzite
C. Marble
D. Graphite

14. Soils with particles size ranging 0.2 – 0.02 mm are referred to as
A. Gravel
B. Fine sand
C. Silt
D. Clay

15. Which of the following types of soil is easily water logged?
A. Sand
B. Clay
C. Loam
D. Silt

16. The most important horizon in a soil profile for crop production is
A. Bed rock
B. Weathered parent material
C. Sub soil
D. Top soil

17. Which of the following is a micro element?
A. Calcium
B. Sulphur
C. Phosphorus
D. Manganese

18. Soil fertility can be improved through the following except
A. Planting of cover crops
B. Crop rotation
C. Fertilizer application
D. Continuous cropping

19. Which of the following farm practices will lead to the pollution of soil water?
A. Bush burning
B. Crop rotation
C. Clean clearing
D. Zero grazing

20. The farm machinery used to sow seeds and apply fertilizer at the same time is
A. Seed drill
B. Combine drill
C. Fertilizer spreader
D. Jab planter

21. The most unreliable source of power on the farm is
A. Heat engine
B. Wind
C. Electricity
D. Animal

22. The most suitable structure for underground drainage in farms is
A. Narrow solid pipe
B. Waste pipe
C. Perforated concrete pipe
D. Clay pipe

23. The farm operation which requires stationery power is
A. Land clearing
B. Threshing
C. Ploughing
D. Harrowing

24. The following are all secondary tillage implement except the
A. Disc harrow
B. Spring time harrow
C. Disc plough
D. Disc ridger

25. An instrument used to determine height or elevation of a point relative to another during survey on the farm is the
A. Arrow
B. Ranging pole
C. Cross staff
D. Gunter’s chain

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WAEC Agric Science Theory Questions

Question 1
1. List five non-governmental agricultural organizations in West Africa.
2. State four ways in which agriculture and industry are interrelated
3. Give one function of each of the following parts of a disc plough:
i. disc;
ii. beam;
iii. furrow wheel ;
iv. disc scraper;
v. hitch.
4. State four disadvantages of animal power

Question 2
1. (a)State five factors that should be considered in choosing an irrigation system in West Africa
2. Mention four problems associated with irrigation in West Africa.
3. A rectangle-shaped farmland has a length of 0.4km and a breadth of 2,400m, calculate the area of the farmland in hectares.
4. List one primary tillage and three secondary tillage implements.

Question 3
1. Draw a well labelled diagram of the water cycle.
2. (b) Mention two deficiency symptoms of phosphorus in crops.
3. c) Using the table below, classify the following insect-pests according to their modes of feeding:
i. weevil;
ii. locust;
iii. scale insect;
iv. armyworm
v. earworm;
vi. cotton stainer;
vii. green spidermites
viii. thrips;
ix. capsids;
x. yam beetle.

Question 4
1. List six abiotic components of a farm ecosystem
2. State four ways in which the carbon cycle is important in agriculture
3. A vegetable crop is planted at a spacing of 40cm x 40cm on an 80m x 40m farmland. Calculate the expected population of the crops on the farmland.
4. Name four examples each of crops that belong to the following crop grouping:
(i). fibres
(ii) beverages.

Question 5
1. (i) Name five parts of the digestive system of chicken
(ii) Give one function of each of the parts named in 5(a)(i)
2. State five problems of agricultural insurance in West Africa
3. Give three disadvantages of television as method of disseminating agricultural information.

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