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WAEC GCE 2020 - AGRIC ANSWER
WAEC GCE 2020 - AGRIC ANSWER

WAEC GCE 2020 - AGRIC ANSWER


AGRIC OBJ


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(1a)
(i)they carry out research to improve or develop breeds of Animals.
(ii) extension project are founded and funded by them
(iii) provide basic amenities e;g water, feeder roads
(iv)they provide chemicals for the control of weeds and insect

(1b)
(i) expensive to practice
(ii)land problem
(iii)poor storage facilities
(iv)pests and disease attack
(v)it causes pollution
(vi)it leads to unemployment because machines are used

(1ci)
This is the removal of tree

(1cii)
(i)cause erosion
(ii)leads to loss of nutrients
(iii)exposure the soil to sunlight
(iv)reduce water percolation rate
(v)reduce the amount of rainfall
(vi)reduce wild life population

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(2a)
( i) Disc plough:
(i) it is design to work in all types of soil functions such as soil breaking
(ii) it is used to open the new fields
(iii) it can be used easily at rocky and rooted areas

(ii) Disc Horrow:
(i)it is used for cutting edges
(ii) it is used to till the soil where crops to be planted
(iii) it is also used to chop unwanted weeds or crop remainders

(iii) Rider:
(i) it is used for cultivating small ginger
(ii) it is used for gathering and heaping the loose soil
(iii) it is an implement which cuts and turn the soil into opposite direction

(2b)
(i) For respiration of soil micro organisms
(ii) For root development
(iii) Needed for seed germination
(iv) Needed for carbon and nitrogen cycle

(2c)
(i) Bush fallowing
(ii) Crop rotation
(iii) Regular weeding
(iv) Proper storage of planting materials

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(3ai)
Organic agriculture is a production management system which promotes and enhances agro- ecosystem health including biodiversity, biological cycles and soil biological activity.

(3aii)
(i) It uses organic matter instead of chemical to enrich soil.
(ii) It conserves soil for many years.
(iii) Crop rotation helps organic farmers preserve the soil quality.
(iv) It helps to avoid monoculture.
(v) It creates varied niches for organisms that acts as natural foes of plant pests.

(3b)
(i) It helps to conserve soil moisture.
(ii) It helps to control wind and water erosion.
(iii) It enhance soil nutrient.
(iv) It plays a critical role in sustainable agriculture production.

(3c)
Cowpea --> dicotyledonous
Tomato --> dicotyledonous
Onion --> dicotyledonous
Ginger --> dicotyledonous
Groundnut --> dicotyledonous
Rice --> monocotyledonous
Pepper --> dicotyledonous
Soya bean --> dicotyledonous
Okro --> dicotyledonous
Citrus --> dicotyledonous
Banana --> dicotyledonous
Maize --> monocotyledonous
Cocoa --> dicotyledonous

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(6ai)
Total depreciation = Cost - Salvage value
= 200,000 - 50,000
= #150,000

(6aii)
Annual depreciation = Total depreciation/no of use fuel life
= 150000/10
= #15,000

(6bi)
(i) He ensures regular supply of goods and services to the consumers.
(ii) Carry consumers problems to the wholesalers.
(iii) The retailers are responsible for the product promotion and advertisement by planning the product displays and visual merchandising for attracting the customers.

(6bii)
(i) Provides transport facilities.
(ii) Ensure regular supply of wide variety of goods.
(iii) Provides credit facilities to small retailers.

(6biii)
(i) Provides loan to farmers.
(ii) Teach farmers any new discoveries.
(iii) They offer assistance to farmers to improve the quality of their farm produce throughout careful grading and storage.

(6c)
(i) To get good quantity of rice grain during harvest.
(ii) To prevent diseases.
(iii) To increase the grain yield
(iv) To make more money by selling a quality rice

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