Waec Agricultural Science Practical Answers 2022:
AGRICULTURAL SCIENCE PRACTICAL ANSWERS
I: Arachis Hypogaea
J: Gossypium Species
K: Elaeis Guineensis
L: Hevea Brasiliensis
I: Legume crops
J: Fibre crops
K: Oil crops
L: Latex crops
(i) Brown germ
(iii) Root blast
N: it has thick muscular wall and may contain stones
O: Composed of several sacs.
P: It is the region where most digestion of food takes place.
Q: It is a large, meaty organ that sits on the right side of the belly.
(i) It modified for grinding food
(ii) Its located between sac like and the intestine
(i) It allows mixing and churning of digesta
(ii) It acts as a storage or holding vat for food.
P: Small intestine
(i) Absorb digested food completely
(ii) It secretes intestinal juice.
(iii) Churn and mix ingested food, making it into chyme
(i) Enzymes activation.
(ii) Bile production and excretion
F – It is a liquid substance
G – It gives a characteristic odour
H – It gives a characteristic odour
They aid the growth of crops
(iii) Foliar application
Pick a good compost bin then locate a spot with good sunlight. Keep the compost bin in a good plate and add green and brown organic matters. Alternate between the layers timely and wet the compost as well. Always turn the compost and allow to decay.
F – Clean up excess Fertilizer on your sidewalk or driveway
G – Ensure it is properly added to the soil
H – Ensure hand gloves are worn
The Specimen B is a Castration device which employs a large clamp designed to break the blood vessels supplying The testicles. Once the blood Supply to the testicles is lost testicular necrosis
the testicles shrink, Soften. And Castration is said to have occured.
(i) used for livestock Identification
(ii) used for Monitoring livestock behaviour
(i) for fastening nuts & bolts
(ii) for loosening nuts and bolts
(i) For lightening
(ii) For generating Especially heat poultry
(ii) surgical blade
(i) electric bulb
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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|
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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)
- 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 Expobite
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 you answers from past exam psoted here on Expobite.net:
Waec Agric Science Answers 2020
(Choose Any Two)
(i)construction of new feeder roads to open up the rural areas
(ii)construction of water ways 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
(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)Government 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 tractor- hiring unit at affordable costs to farmers
(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
(i) Ensure 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 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 the ways in which different particles of the soil are packed or arranged. it is also refers to the shape and arrangement of primary particles to form compound particles
(2aiii)soil profile:refers to the vertical section of the soil,showing series of horizontal layers of different type 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
(ii) Application of farmyard manure
(iii) Bush fallowing
(i) Storage in airtight bins helps maintaining insect free grains.
(ii) Before storing grains the go downs (store houses) should be disinfected. Following methods of disinfestations of store rooms are recommended
(iii) Threshing yard should be situated more than a mile away from the granaries so as to reduce the chance of pest reaching to granaries through migration.
(iv) For bag storage of grains, “pucca” cement concrete or brick made store houses are recommended.
In a tabular form:
(ii) Cattle, sheep, goat
(iii) Fever, loss of appetite
(iv) Proper vaccination
(vi) Dog, pig
(vii) Cough, fever
(viii) Proper vaccination or isolation of affected animals
(i) It helps to improve hygiene of the chickens
(ii) It also helps to reduce incidence of friction.
(iii) It helps to reduce excess exercises thereby leading to a better production.
(iv) It leads to lost cost.
(v) It does not require the problem of letters.
(i) It leads to higher incidence of foot lesions.
(ii) It leads to high incidence of metabolic disorder.
(iii) Lack of dust bathing opportunities.
(iv) Lack of behavioural opportunities.
(v) It may lead to high risk of diseases.
Nabteb Agricultural Science Answers 2020
NABTEB AGRIC OBJ
- 1-10: BBDDABACCD
- 11-20: BDABBBCCCC
- 21-30: DDCADCDABD
- 31-40: BABDCDCAAB
- 41-50: AACCCABACB
YOU ARE INSTRUCTED TO ATTEND ONLY FIVE QUESTIONS
Land tenure system is defined as the system of land ownership or acquisition by individual, family,community or government agency either for temporary or permanent use.
(i)It ensures the use of availability land.
(ii)It enables the farmer to maximize the use of the land in terns of maintenance of the soil fertility in order to improve the productivity of crops.
(Free hold system)
(i)The farmer can use the land to secure loan 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 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%
(i)land is used for 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 construction of residential housing and building
Weathering is defined as the disintegration or break down of rocks into tiny pieces to form soil. it is also the act of breaking down of 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 get 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 the ways in which the different particles of the soil are packed or arranged. It is also refer 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 a good water retaining capacity
(v)It also supports the growth of crops
(vi)A good soil structure promotes the activities of soil micro organisms.
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.
(Choose Any Four)
(i)Drainage helps in reclaiming water logged 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 early planting of crops
Mixed cropping involves growing of two or more crops on the same piece of land at 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 of 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 decreases.
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 castle,sheep and goats are kept.
Taungya farming is the act of planting of erable crops at 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 crop.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 government policy in the restoration of deforested area 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 micro organisms 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. example of parasites are ticks,lice,mites liver flukes etc
Transplanting: Transplanting is the transfer of seedling from nursery beds to their permanent positions in the field. Tools used for Transplanting are handtrowel,digger,hoe or 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 plant. it is usually done by hand and practised when the crop plants are very young
Seed rate : Seed rate refers to the quantity of seeds required to plant on hectare of land. 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 which assists farmers or farm people through educational procedures in improving farming methods and techniques.
(Choose Any Five)
(i)Acquisition of skill: They helps the farmers to acquire skills and specialization in the production of crops and livestock
(ii)Teaches Land management techniques: They introduces and teaches farmers land management techniques which increase land fertility and productivity.
(iii)Supervision of agricultural loans: They helps to supervise the beneficiaries of agricultural loans.
(iv)Teaches improved Farming practices: They teaches 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 processing of livestock and crops
(vi)Collection and collation of basic information: They helps to collect and collate basic information relating to rural programmes.
production record: Production record shows the yields of crop cultivated on the farm. It also shows the produce from livestock or poultry. Production record 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 liability of a farm in both physical and monetary terms. The inventory book will show details such as quality of 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 about the farm. It serves as a good references book to obtain information about the farm. It could show movement of staff and visitors to the farm ,amount of rainfall and losses to thieves.A typical farm record shows type of work done, date, the number of workers, time spent, observations and others.
Input record: 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 record 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 knapsack sprayer
Specimen;B is 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 when it is windy
(i)It has a pivot
(ii)It has two handles
Woven Metallic Tape
(i)Keep in 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-
(ii)poor water retention ability
-Physical properties of F-
(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.
(i)Add at least 2 inches of organic matter each year.
(ii)Grow cover crops or green manures.
(ii)Add organic material.
Specimen F; is rice
Specimen G; is maize
Specimen H; is Ginger
Specimen I; is orange fruit
Specimen J; is cassava
Specimen K; is pineapple
Specimen H; is biennial crop
Specimen I; is perennial crop
Specimen J; is 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 animal horn
Specimen M; is fish meal
Specimen N; is bone meal
Specimen O; is blood meal.
(i) knife Dehorning
(ii) Hot-Iron Disbudding.
(i)reduce the risk of injury and bruising to herd mates.
(ii)decrease risk of injury to farm workers.
(i)Provides high protein concentration to livestock
(ii)It also serve as a good source of calcium, phosphorus, and other minerals.
(i)It is a source of protein
(ii)It is 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.