NECO 2022 Agricultural Science Obj & Essay Questions And Answer Now Available





Farmstead can be defined as a farm house and all it production and processing structures.

(i) Plant crops on the best soil within the farm.
(ii) Livestock buildings should be located on the poorest soil within the farm.
(iii) Buildings should be located in easily accessible areas.
(iv) Farm building should not be located on slopes to avoid erosion.

(i) lot of produce are wasted due to inadequate storage and processing facilities.
(ii) Improper storage reduces the quantity and quality of farm produce.
(iii) There is lack of technical know-how on food storage and processing.
(iv) Farm produce are sold off at cheap rate, leading to reduces income to the farmers.
(v) Storage and processing facilities are expensive, leading to high cost of produce.

(i) Security of Tenure.
(ii) Ensuring Proper Land use.
(iii) Land Improvement.
(iv) Influence on Size of Holdings.
(v) Control of Production.
(vi) Land Litigation.

(i) Farmers can easily have access to land.
(ii) The land is wisely used for productive purposes.
(iii) The land is cheap to acquire.
(iv) The land can easily be improved by way of fertilizer application.


Agriculture is simply defined as the art and science that deal with the cultivation of crops and rearing of animals for man’s use. In other words agriculture is also defined as the deliberate effort made by man to till the soil,cultivate crops and rest animals for food and other purposes.

(Pick Any Six)

(i)International Institute of Tropical Agriculture (IITA) Oyo state ,Nigeria.
(ii)Nigerian Institute for Oceanography and Marine Research (NIOMR). Victoria Island ,Lagos state.
(iii)Institute of Agricultural Research and Training (IAR&T) Ibadan, Nigeria.
(iv)National Cereal Research Institute (NCRI) Niger state Nigeria.
(v)National Horticultural Research Institute (NIHORT) oyo state, Nigeria.
(vi)Rubber Research Institute of Nigeria (RRIN) Benin city, Edo state.
(vii)Nigerian Institute for Oil Palm Research (NIFOR) Benin city, Edo state.

(Pick Any Five)

(i) Check water levels daily and top it when necessary
(ii) Check oil level daily and top it when necessary
(iii)Keep Tractor clean by removing all trashes or mud from it.
(iv)Inspect the tractor every day before starting
(v) Check electrolyte of battery every day and top when necessary.
(vi) Adhere strictly to manual or manufacturers instructions
(vii)Do not overload the tractor i.e operate at appropriate speed for farm operations.


(i)Health of the animal/diseases Food intake.
(ii)Breed of the animal/genetic make-up Weight of the animal.
(iii)Age of the animal.
(iv)Poor management of the animal Harness used for hitching.
(iv)Sex of the animal.
(v)Training given to the animal Climate/environmental factors Pests



Sandy soil

Clay soil

Clay soil

Loamy soil

(Pick Any Four)

(i) Clean clearing practice
(ii) overgrazing
(iii) bush burning
(iv) Tillage practice
(v) Deforestation

(Pick Any Three)

(i)The action of volcanoes which releases carbon dioxide
(ii) Burning of fuel like coal and wood
(iii) The respiration by plant and animals
(iv) The death ,decay and putrefaction of plants and animals
(v) Diffusion of carbon dioxide from seas and other bodies of water,acting as reservoir of carbon dioxide

(Pick Any Five)

(i) It occupies good land(space) that could have been used for planting.
(ii)They hinder the passage of machines like tractors.
(iii) They are prone to fully erosion.
(iv) It requires frequent maintenance.
(v) It increases the cost of crop production.
(vi) It is expensive and difficult to establish.


(Pick Any Three)

(i) forest regulations
(ii) selective exploration
(iii) deforestation
(iv) regeneration
(v) afforestation
(vi) taungya system

(Pick Any Three)

(i) some beneficial insects and soil organisms may be destroyed.
(ii) The chemical used may be toxic to man and domestic animals
(iii) It may leave. undesirable residue in the environment.
(iv)Pest may develop resistance to chemical.
(v) some are washed out of soil to rivers and streams where they can endanger aquatic life and cause pollution .

Soil requirements:

(i) Deep , fertile well drained laomy soil
(ii) loose and friable with high water retention
(ii)Cocoa grows best in areas with 1140 – 2000mm annual rainfall, well distributed most of the year
(iii)Needs constant supply of moisture

Method of propagation:

(i) By seeds
(ii) Vegetatively by budding and stem cutting

Planting date:
Nursery is done October to January. Field(transplanting) between April and June

(i)Nursery : 20cm Γ— 20cm
(ii)Field : 3m Γ— 3m

Two stage of processing:

(i) Breaking of pods: The pods are carefully opened with a blunt cutlass or by hitting them with heavy rod to remove from the cocoa beans

(ii) Fermentation: Cocoa beans can be fermented by using the sweat box or tray method for about five days. During the fermentation process, cocoa beans undergo chemical changes brought by the action of heat.

(Pick Any Four)

(i) weeds cause losses in crop yield.
(ii) Reduce the quality of crop products.
(iii)weeds lead to increased cost of farm operations thereby leasing to inefficiency of farm operations.
(iv) form alternative hosts for pest.
(v) certain weeds are poisonous and hence kill animals that feed on them.
(vi) Reduce the quality of crop products .



(i) Treat them with coccidiostat or anticoccidial drugs
(ii) prophylactic use of coccidiostat in feeds
(iii) vaccine and maintain good hygiene and sanitation practices


(i) coccidiosis
(ii) Enteritis
(iii) Ear canker mange
(iv) Helminthiasis
(v) Ringworm
(vi) Sore hock
(vii) Mastitis

(Pick Any Three)

(i)it is easier and less expensive than t mating since the farmer is saved the expense of maintaning a herd of male animals.
(ii)It is easier and cheaper to import the semen of exotic breeds rather than the male animals themselves.
(iii)It makes it possible to use the best male animal to a large extent.
(iv)It is possible to service many females of different sizes leading to the production of many offsprings.

(Pick Any Four)

(i) Regular feeding
(ii)Deweeding of the pond
(iii) control of predators
(iv) Regular application of fertilizer
(v) constant supply of water
(vi) Regular harvesting of matured fish

(Pick Any One)

(i) Traditional method of bee keeping
(ii) Modern method of bee keeping

(Pick Any Two)

(i) location of apiaries far from human dwellings
(ii) putting warning symbols near apiaries
(iii) wearing of protection clothing
(iv) use of smokers



(i) It is prone to financial misappropriation
(ii) it does not always encourage individual enterprise
(iii)It is prone to poor management due to unqualified and incompetent executive handling the cooperative societies.


(i) A good extension worker must have the native intelligence to be original in his thoughts, words and actions
(ii) A good extension worker must be patient and able to inspire the rural farmers to achieve the goals.
(iii) A good extension worker must have initiative to tackle problems himself before referring them to supervisor.
(iv)A good extension worker must possess good communication skills.
(v)A good extension worker must have respect for culture and Traditions.
(vi)A good extension worker should be able to attend all pre-arranged meetings, seminars workshops etc promptly


(i) Cooperative societies
(ii) Marketing/commodity boards
(iii) wholesalers) Distributor
(iv) Individual/private middlemen
(v) Retailers
(vi) Producers/Farmers


(i)sales account
(ii)purchase account
(iii)farm valuation
(iv)Cash analysis account
(v)Farm income statement
(vi) Balance sheet networth statement
(vii)Profit and loss account



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