![2022 NECO GCE Agric (Essay & OBJ) Answers [14th December]](https://2.bp.blogspot.com/-xLxpwRX1em4/Wl94CFeJRZI/AAAAAAAAATw/G-0VjUcT71Mp59T6MeRUlvZr1nyojVY0gCPcBGAYYCw/s1600/NECO.jpg "2022 NECO GCE Agric (Essay & OBJ) Answers [14th December]")
Wednesday 14th December
Agricultural Science Paper III & II (Objective & Essay)
NECO GCE AGRIC SCIENCE (ESSAY) ANSWERS 2022:
(1a)
(i) Agriculture helps in reduction of poverty
(ii) It helps in supporting livelihoods through food, habitat, and jobs
(iii) Provision of raw materials for food and other products
(iv) It helps in building strong economies through trade.
(1b)
(i) They are non-Profit making organization.
(ii) They educate the general public
(iii) They are voluntary associations.
(1c)
(i) Land cannot be pledged, sold or used as collateral by an individual
(ii)
Those with means, but who are not members of the community, find it
difficult to get land for farming activities/non-indigenes of the
community cannot acquire land or have access to it
(iii) There is
tendency to neglect parcels of useful land as no one readily considers
it his/her interest to protect it from degradation.
(iv) It is
characterized by litigations and mis-understanding mechanized farming
cannot be practised without permission of the whole community.
(1d)
(i) It is a variable energy source.
(ii) It cannot be generated on demand.
(iii) They farms are dependent on wind blowing
(1e)
(i) Always use protective clothings
(ii) Avoid splashing and spilling of chemicals
(4a)
Soil profile is the vertical section of the soil from the surface down to the bed rock or parent rock below
(4b)
(i) Igneous rocks are formed from cooled and solidified magma
(ii) Igneous rocks Can be formed beneath the earth as intrusive rocks. Examples are gabbro, granite, etc.
(iii) Igneous rocks contain crystals
(4c)
(i) Parent material
(ii) Climate
(iii) Organisms
(4di)
-PHYSICAL-
(i) Water
(ii) Wind
(4dii)
-CHEMICAL-
(i) hydrolysis
(ii) hydration
(4diii)
-BIOLOGICAL-
(i) Earthworm
(ii) Hooves of animals
(4e)
(i) Agricultural residues
(ii) Excess salts from applied irrigation water.
(7a)
(i)
Selection: This is the process of picking or choosing one or more
animals with desired qualities from a group or population for breeding
purposes.
(ii) Breeding: This is the mating of animals of the same
species with the aim of transferring desirable qualities from parents to
offspring.
(7b)
Gene determines an organism’s genotype while allele determines an organism’s phenotype.
(7c)
(i) To prevent and control common disease events.
(ii) To enhance animal growth.
(7d)
Tabulate:
-Iron:
Source: Organ meats or fish
Function: Important of components haemoglobin
Deficiency symptoms: Extreme fatigue
Phosphorus:
Source: meats or fish
Function; important for healthy bone and teeth
Deficiency symptoms: Extreme fatigue
(7e)
(i) Feeding a medicated ration or supplement containing an ionophore additive, monensin
(ii) Moving of calving grounds to a clean area free of contamination
(10a)
Cost price = ₦200,000
Salvage value = ₦10,000
Useful life = 10years
Annual depreciation = Cost price - Salvage value/Useful life in years
Annual depreciation= 200,000 - 10,000/10
Annual depreciation = ₦19,000
(10b)
(i)
Inadequate information; He may lack information on where to buy farm
inputs or acquire information on new innovations and current prices of
farm inputs
(ii) Problems of Marketing: He may not know how and
where to sell his produce, at what time to sell and at which price to
sell to make maximum profit.
(iii) Inadequate Personnel: He may
not get the right management team to work on the farm. They may be too
expensive to work on the farm.
(iv) Administrative Problem: He
may lack the technical know-how, good human relationship with staff, and
the condition of his health may affect the performance of his duties.
(10c)
(i)
Group demonstration: This is used to show the technique of doing things
or carrying out new practices e.g. clean milk production, paneer
making, ghee making, etc. This method is usually used for groups of
people.
(ii) Farm visit: This constitutes the direct or
face-to-face contact by an extension professional with the farmer or the
members of his family. During these visits, information is exchanged or
discussed. The visits may be to get acquainted with the problems of the
farmers.
(10d)
(i) Principles of adaptability in the use of teaching methods
(ii) Principle of participation
(iii) Principle of leadership
(iv) Principle of trained specialists
(v) Principle of satisfaction
NECO GCE AGRIC SCIENCE (OBJECTIVE) ANSWERS 2022:
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