2018 WAEC GCE Agric QUESTIONS AND ANSWERS

2018 WAEC GCE Agric QUESTIONS AND ANSWERS

 

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AGRIC OBJ:
1-10: DADBAACCBA
11-20: BABBACBDCB
21-30: DDCACABCBD
31-40: CCBBCABBBD
41-50: CCCADCCACA
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Exam Time: Wednesday, 26th September, 2018
Agricultural Science 2 (Essay) – 9.30am – 11.40am
Agricultural Science 1 (Objective) – 11.40am – 12.30pm
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(1a)
(i) Provision of employment
(ii) provision of income
(iii) Provision of foreign exchange
(iv) Provision of market for industrial goods
(v) Provision of raw material for industries
(vi) provision of facilities for Recreation and Tourism
(vii) provision of shelter and clothing

(1bi)
(i) Difficult to start (strong power needed to
start)
(ii) High need for maintenance (oil, abrasion, friction, etc.)

(1bii)
(i) it can be dangerous if carelessly handled
(ii) it can cause fire hazard

(1biii)
(i) It is extremely expensive
(ii) Some wind turbines tend to generate a lot of noise which can be unpleasant

(1c)
(i) Heating
(ii) Debeaking
(iii) Incubation
(iv) Egg grading
(v) Hatching

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(2a)
(i)Problems of land tenure
(ii)problems of basic Amenities
(iii)Problems of Finance or poor financing
(iv) problems of poor Transportation and communication
(v) Lack of good agricultural education
(vi) problems of poor tools and machines

(2b)
(i) Crop rotation is the systematic planting of different crops in a particular order over several years in the same growing space. crop rotation helps manage organic soil fertility and also to help avoid or reduce problems with soil-borne diseases and some soil-dwelling insects, such as corn rootworms.

(ii) Mixed farming is an agricultural system in which a farmer conducts different agricultural practice together, such as cash crops and livestock. The aim is to increase income through different sources and to complement land and labour demands across the year.

(2ci)
(i) It Increases soil fertility
(ii) Increases crop yield
(iii) It limits concentration of pests and diseases

(2cii)
(i) Farmers can keep their fields under continuous production.
(ii) It enhances the productivity of the farm land
(iii) It increases the per capita profitability

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(3ai)
(i) yam
(ii) cassava

(3aii)
(i) Palm Oil nut
(ii) Groundnut

(3aiii)
(i) Cowpea
(ii) Groundnut

(3aiv)
(i) Maize
(ii) Sorghum

(3b)
Digestive system
In a tabular form

Under Goat:
(i) Four chamber stomach
(ii) No claoca
(iii) digests cud
(iv) Regurgitation of food
(v) Absence of proventricus

Under chicken:
(i) One chamber stomach
(ii) presence of claoca
(iii) Doesn’t digest cud
(iv) No regurgitation of food.
(v) presence of proventricus

(3c)
(i) To know the actual inventory of the farm products
(Iii) To know the number of livestocks and crops available in the farm.
(iii) To estimate the net income that will be gathered after sales of farm produce.
(iv) Continuity of business.
(v) To determine the profit and loss accrued.

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(4a)
(i)Hygroscopic water: This water is tightly held by the soil particles such that it is never available to the plant

(ii) Gravitational water: This is the water tha can drainfrom the soil under the influence of gravity

(4b)
(i) Clean and disinfect of fumigate the brooding house before the arrival of chicks
(ii) There should be 20-30 chicks per nipple during the brooding stage for proper water intake
(iii) There should be enough space in the brood chamber for the chicks to move around and thermoregulate.
(iv) Flush the water lines a few hours before placement to remove air pockets and place droplet at eye height.

(4c)
(i) Virus
(ii) Herpesvirus of turkeys (HVT)
(iii) Newcastle Disease
(iv) Virus
(v) protozoan
(vi) anticoccidial vaccines
(vii) Bacteria
(viii) Anthrax Vaccine Adsorbed (AVA)

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(5ai)
Maize needs high quality soil which is deep, fertile and well-draining with a pH between 6.0 and 6.8

(5aii)
By Seed

(5aiii)
Seeds should be sown about 2.5 cm (1 inch) deep and 10–15 cm (3–4 inch) apart allowing 76–91 cm (30–36 inch) between rows.

(5av)
Herbicides can be used

(5av)
(i) Anthracnose
(ii) Gray leaf spot

(5avi)
Corn requires from 60 to 100 days to reach harvest depending on the variety and warm weather. Corn is ready for harvest when ears turn dark green, silks turn brown, and kernels are soft and plump. Harvest usually comes about 20 days after the silks appear

(5bi)
Production record: A record of all items produced in the farm, it enables the farmers to know which projects are more profitable.

(5bii)
Farm inventory: A record of all asset owned by the farmers and the cash values of the item e.g land, equipment, crops in the farm and in storage.

(5biii)
Cash book: cash book keeps record of farm cash activities, namely a record of all changes in cash and a record of all cash transactions

(5biv)
Labour Diary: This is a records of day to day work done on the farm. It is used to determine the work done, amount of labour expended and the cost at the end of each operation.

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(6a)
(i) Formed by the cooling and solidification of lava.
(ii) Hard in nature
(iii) Consists of crystals,hence, also called as crystalline rock
(iv) Fossils are not present in this rock.

 

 

 

 

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