Waec Agricultural Science Practical Answers 2022: Waec Agric practical 2022 is scheduled for Monday 23rd May 2022 and as a Waec 2022 candidate, you need to get the Agric practical questions and answers on time before the examination, so that you can be able to memorize them beforehand.

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Waec Agricultural Science Practical Questions and Answers 2022

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Waec Agricultural Science Practical 2022 Exam Date

The Waec Agric practical 2022 examination has been scheduled to hold on Monday 23rd May 2022 from 09:30 am to 1:00 pm first and second set.

Paper Start Time End Time
Agricultural Science 3 (Practical) (1st Set) 09:30 am 11:30 am
Agricultural Science 3 (Practical) (2nd Set) 11:30 pm 1:00 pm
Waec Agricultural Science 3 Practical Timetable 2022

Countdown to Waec Agricultural Science Practical Exam 2022

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Welcome to the WAEC Agric Science Practical Objective & Essay Answers to Questions for 2022.

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2022 WAEC Agric Science Practical Questions: Agric Science Practical WAEC Runs Questions are out now on our website. In this article, I will be showing you the recent WAEC Agric Science Practical questions with answers.

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Waec Agric Science Practical Runz 2022 Runs

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Waec Agricultural Science Practical Specimen 2022

Below is the verified complete Waec 2022 Agric Science Practical Specimen for SS3 students:

  • Specimen A – Feeding trough
  • Specimen B – Burdizzo (real/picture/diagram)
  • Specimen C – Neck/collar tag
  • Specimen D – Spanner
  • Specimen E – Kerosine lamp
  • Specimen F – Inorganic fertilizer (superphosphate) (labelled)
  • Specimen G – Compost (labelled)
  • Specimen H – Farmyard manure (labelled)
  • The specimen I – Groundnut seeds (unshelled)
  • Specimen J – Cotton lint
  • Specimen K – Oil palm fruit
  • Specimen L – Rubber latex (labelled)
  • Specimen M – Crop (Poultry)
  • Specimen N – Gizzard (longitudinal section with its contents)
  • Specimen O – Rumen
  • Specimen P – Small intestine
  • Specimen Q – Liver

Click here to see the full Waec Agric specimen with diagrams.

Past Agric Science Questions and Answers Provided by


We have been in this since 2014 till date and all these years we have been providing exam candidates with the correct answers to all their exams, below, I will be sharing with your answers from past exams posted here on Expocoded.net:

Waec Agric Science Answers 2020

Poor Transportation
(Choose Any Two)

(i)construction of new feeder roads to open up the rural areas
(ii)construction of waterways to link up the riverine area
(iii)construction of railways to connect rural areas to the urban centres
(iv)Reduction in transportation cost to make such affordable to the rural farmers
(v)Provision of vehicles, boats and trains to facilitate the distribution of farm product

Environmental degradation
(Choose Any two)
(i)Flooding should be avoided
(ii)soil erosion should be properly checked
(iii)cover cropping should be practised
(iv)Terracing and strip cropping should also be practised
(v)Pollution and deforestation should be avoided

Use of crude farm input
(choose Any two)
(i)Agric Science Practical should subsidise the cost of farm input
(ii)Farm input should be supplied at the right time to farmers
(iii)Local sourcing of these inputs should be encouraged
(iv)Establishment of the tractor-hiring unit at affordable costs to farmers

Animal power
(Choose Any Three)
(i)Treat animals fairly to prevent them from being hostile
(ii)Do not overwork draught animals
(iii)Feed and provide them with adequate water
(iv)Make sure that animals are healthy
(v)Apply muzzle and keep them in a healthy environment

Electrical power
(i) Ensure an adequate supply of light
(ii) Proper checking of all electrical appliances in the farm
(iii) The operator must be an expert

(i) To increase durability.
(ii) To increase efficiency.
(iii) Reduce costs of replacement.
(iv) For the safety of the user/avoid accidents.
(v) Avoid damage to the tool.

(2ai)Soil texture: refers to the relative proportion (sizes) of the various particles of the soil. in other words, it refers to the degree of fitness or coarseness of the various soil particle.

(2aii)soil structure: refers to how different particles of the soil are packed or arranged. it is also referred to as the shape and arrangement of primary particles to form compound particles

(2aiii)soil profile: refers to the vertical section of the soil, showing a series of horizontal layers of different types of soil and these horizontal layers are called horizons.

(i) It is used to rapidly increase the number of desirable cultivars
(ii) It is used to change plant form
(iii) I Used to repair damaged plant parts

(i) Mango
(ii) Guava

(i) Mulching
(ii) Application of farmyard manure
(iii) Bush fallowing

(i) Storage in airtight bins helps maintains-free grains.
(ii) Before storing grains the godowns (storehouses) should be disinfected. Following methods of disinfestations of storerooms are recommended
(iii) Threshing yard should be situated more than a mile away from the granaries to reduce the chance of pests reaching granaries through migration.
(iv) For bag storage of grains, “pucca” cement concrete or brick made storehouses are recommended.


In a tabular form:

(i) Bacteria
(ii) Cattle, sheep, goat
(iii) Fever, loss of appetite
(iv) Proper vaccination

(v) Fungi
(vi) Dog, pig
(vii) Cough, fever
(viii) Proper vaccination or isolation of affected animals

(i) It helps to improve the hygiene of the chickens
(ii) It also helps to reduce the incidence of friction.
(iii) It helps to reduce excess exercise thereby leading to better production.
(iv) It leads to lost costs.
(v) It does not require the problem of letters.

(i) It leads to a higher incidence of foot lesions.
(ii) It leads to a high incidence of metabolic disorders.
(iii) Lack of dust bathing opportunities.
(iv) Lack of behavioural opportunities.
(v) It may lead to a high risk of diseases.

Nabteb Agricultural Science Answers 2020


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  • 41-50: AACCCABACB






A land tenure system is defined as the system of land ownership or acquisition by an individual, family, community or Agric Science Practical agency either for temporary or permanent use.

(Leasehold systems)
(i)It ensures the use of available land.
(ii)It enables the farmer to maximize the use of the land interns of maintenance of the soil fertility to improve the productivity of crops.

(Freehold system)
(i)The farmer can use the land to secure loans from banks.
(ii)Proper planning in the development of such land can be done.

(Pest and diseases)

(Pick Any Three)
(i) Agrochemicals/pesticides such as fungicides, fumigants and nematicides have been developed to control pests.
(ii) Drugs have been developed to counteract the effects of diseases and pests.
(iii) Vaccines have been developed which can be used to prevent a whole range of diseases in farm animals.
(iv) Studies have been made on the life cycles of pests and parasites for their control or prevention.
(v) Various types of herbicides have been developed for the effective control of weeds.

(Meteorology and climatology)
(i) These technologies are being applied at different meteorological scales.
(ii) Improving forecast accuracy and efficiency.
(iii) Radar is an important remote sensing technology used in forecasting.

Fibre manufacturing industry

(Choose Any three)

Vegetable oil processing industry.

(Choose Any Three)

(Cereal processing industry)

(Choose Any Three)


(i)Inorganic (Mineral)matter= 45%
(ii)Organic matter=5%
(iii)Soil water=25%
(iv)Soil air=25%
(v)Living organisms=5%

(i)land is used for the production of food crop
(ii)land is used for livestock production
(iii)land is used for Forestry
(iv)land is used for wildlife conservative
(v)land is used in fishery
(vi)land is used for the construction of residential housing and building

Weathering is defined as the disintegration or breakdown of rocks into tiny pieces to form soil. it is also the act of breaking down rock masses(rock minerals) into simpler forms through the agents of physical, chemical and biological processes.

(In tabular form)

(Under sandy soil)
(i)It is coarse-grained
(ii)Low capillarity action
(iii)High percolation rate
(iv)It easily gets hot and cold
(v)Easy to work
(vi)It has large pore spaces

(Under clay soil)
(i)It is fine-grained
(ii)Capillarity is very high
(iii)Percolation is low
(iv)It does not easily get hot and cold
(v)Difficult/heavy to work
(vi)It has small/fine pore spaces

Soil structure refers to how the different particles of the soil are packed or arranged. It also refers to the shape and arrangement of primary particles to form compound particles.

(Choose Any four)
(i)It determines the level of fertility of the soil
(ii)It also prevents erosion and waterlogging
(iii)A good soil structure supports aeration
(iv)A good soil structure has good water-retaining capacity
(v)It also supports the growth of crops
(vi)A good soil structure promotes the activities of soil microorganisms.


Irrigation is defined as the artificial or man-made application of water to soil or land for farming purposes. In other words, irrigation is the artificial application of water to the soil to supplement insufficient rainfall.

(i)Drilled wells
(ii)Surface water
(iii)Drainage ponds

(Choose Any Four)
(i)Drainage helps in reclaiming waterlogged soil for crop production
(ii)Drainage improves soil aeration for good root respiration
(iii)Drainage leaches excess salts from soil thereby preventing the death of plants arising from poisoning
(iv)Drainage helps to increase the soil temperature for the benefit of crop plants
(v)Drainage improves the soil structure, thereby improving the water-holding capacity of the soil
(vi)Drainage reduces the incidence of crop disease and enhances the early planting of crops

Mixed cropping involves the growing two or more crops on the same piece of land at the same time, during the same growing season WHILE Mixed farming involves the cultivation of crops and the rearing of animals simultaneously on the same piece of land or farm.

Crop rotation is the act of planting different types of crops on the same piece of land in a definite sequence WHILE
Shifting cultivation is a system of farming where a farmer cultivates on a piece of land for some years until yields start to decrease.

Monocropping is the practice of cultivating a single crop species each growing season and harvesting it before another crop is planted WHILE pastoral farming is a system of farming whereby grazing animals such as castles, sheep and goats are kept.

Taunya farming is the act of planting arable crops at the early stages of forest establishment and the arable crops are harvested before the trees form canopies WHILE
Lay farming is the cultivation of food crops with pasture crops. The food crop is grown and harvested, before the forage or pasture grass is grown for one or more years.


Selective Exploration: Selective exploration is the process of cutting or harvesting only matured trees in a forest. it is a way of concentrating certain selected species of timber in a forest reserve.

Regeneration: Regeneration is the process of forest regrowth after it has been exploited. It is a deliberate Agric Science Practical policy in the restoration of the deforested areas after exploitation to balance the ecosystem.

Afforestation: Afforestation is the process of establishing forest plantations in any area. It involves the complete removal of natural vegetation before planting new forest species.

Pests: Pests are organisms which through their feeding habits cause physical damage and or discomfort to other organisms called hosts. Examples of pests are mites, lice,  ticks, houseflies etc

Pathogens: Pathogens are microorganisms that cause diseases in farm animals. Examples of pathogens are bacteria, fungi, viruses and protozoa.

Vectors: Vectors are also pests which besides causing physical damage to the hosts, transmit disease-causing organisms to farm animals. Examples of vectors are ticks, mites and fleas

Parasites: Parasites are a class of organisms that live on or in their hosts permanently. They establish a physiological relationship with the hosts and rely on them totally for food and protection. Examples of parasites are ticks, lice, mites liver flukes etc

Transplanting: Transplanting is the transfer of seedlings from nursery beds to their permanent positions in the field. Tools used for Transplanting are a handtrowel, digger,h and oe r cutlass.

Supplying: Supplying is the replacement of seeds that fail to germinate or seedling that dies. It is carried out to maintain desired plant population. It is usually manually done.

Thinning: Thinning is the removal of weak plants from a stand to give a rise to one or two vigorous crop plants. it is usually done by hand and practised when the crop plants are very young

Seed rate: Seed rate refers to the number of seeds required to plant one hectare of land. The quantity of seeds used usually depends on spacing or plant population desired. (eg the seed rate of maize is 25 – 30kg/hectare)


Agricultural extension is a process whereby modern farming techniques and research findings are taken to the farmers through extension workers, and problems of the farmers are taken to research institutions for solution


Agricultural extension is the process, system, or service that assists farmers or farm people through educational procedures to improve farming methods and techniques.

(Choose Any Five)
(i)Acquisition of skill: They help the farmers to acquire skills and specialization in the production of crops and livestock

(ii)Teaches Land management techniques: They introduce and teach farmers land management techniques which increase land fertility and productivity.

(iii)Supervision of agricultural loans: They help to supervise the beneficiaries of agricultural loans.

(iv)Teaches improved Farming practices: They teach farmers improved practices in the cultivation, rearing and processing of crops and livestock.

(v)Teaches improved practices in product processing: It enables farmers to be taught improved practices in the processing livestock and crops

(vi)Collection and collation of basic information: They help to collect and collate basic information relating to rural programmes.

production record: Production record shows the yields of crops cultivated on the farm. It also shows the produce from livestock or poultry. Production records also help in variety selection. They help the farmer to keep track of how well the farm is doing. These records are prepared every week.

Inventory record: Inventory record is the listing of all assets on the farm and their money worth or value. In other words, it is a record that gives a full list of assets and liabilities of a farm in both physical and monetary terms. The inventory book will show details such as the quality of the item, date of purchase, price and other useful information.

Farm dairy: Farm dairy is the record of daily activities on the farm. It is also a record of events on the farm. It serves as a good reference book to obtain information about the farm. It could show the movement of staff and visitors to the farm, the amount of rainfall and losses to thieves. A typical farm record shows the type of work done, the date, the number of workers, time spent, observations and others.

Input record: The input record shows all input acquired and utilised during the period. It shows the levels of input application. It is used in combination with output records to determine resource productivity. This record is used to keep track of all agricultural inputs such as fertilizers, seeds, etc. This record is used to keep track of all agricultural inputs such as fertilizers, seeds, etc

(7ci)Appreciation: This refers to the gain or increase in the value or worth of an asset as the asset is being used over time e.g growing crops, young farm animals, cash crops appreciate.

(7cii)Salvage value: This is the amount which an asset is sold off when it is longer economical to keep or when the cost of maintenance of the asset is too high.



Specimen; A is a knapsack sprayer
Specimen; B is a watering can
Specimen; C is secateurs
Specimen;D is measuring tape

(i)Both are used to spray liquid
(ii)They are both operated manually

(i)Use protective clothing when spraying
(ii)Do not smoke, eat or drink when spraying
(iii)Do not use it when it is windy

(i)It has a pivot
(ii)It has two handles

Gardening Shears

Woven Metallic Tape

(i)Keep in a cool dry place after use

(ii)Do not drop on the ground

Specimen; E is sandy soil
Specimen; F is clay soil
Specimen; G is Loamy soil

-Physical properties of E-
(i)weak structure
(ii)poor water retention ability

-Physical properties of F-
(i)Strong structure
(ii)High water retention ability

-Physical properties of G-
(i)contain humus than sandy soils.
(ii)they have better drainage and infiltration of water.

Loam soils generally contain more nutrients, moisture, and humus than sandy soils.

Specimen E
(i)Add at least 2 inches of organic matter each year.
(ii)Grow cover crops or green manures.

Specimen F
(i)Avoid Compaction
(ii)Add organic material.

Specimen F; is rice

Specimen G; is maize

Specimen H; is Ginger
the specimen is an orange fruit
Specimen J; is cassava
Specimen K; is pineapple

Specimen H; is a biennial crop
the specimen is a perennial crop
Specimen J; is the annual crop
Specimen K; perennial crop

(i)It is used for medicinal purposes
(ii)It is used for spices in cooking

Specimen H; is vegetatively propagated from the rhizome

Specimen J; is propagated through the stem.

Specimen K; is propagated through the suckers.

Specimen J; Sugar cane plant

Specimen K; raspberry

Specimen L; is an animal horn
Specimen M; is fish meal
Specimen N; is bone meal
Specimen O; is a blood meal.

(i) knife Dehorning
(ii) Hot-Iron Disbudding.

(i)reduce the risk of injury and bruising to herd mates.
(ii)decrease the risk of injury to farmworkers.

Specimen M
(i)Provides high protein concentration to livestock
(ii)It also serves as a good source of calcium, phosphorus, and other minerals.
Specimen N
(i)It is a source of protein
(ii)It is the source of calcium phosphorous, vitamin B-12

Oyster shell meal

(i)it has a total digestible nutrient (TDN) of just 10%.

(ii)it is extremely deficient in isoleucine.


Waec Agric Science Practical 2022 questions and answers.