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NECO 2017 - AGRIC SCIENCE OBJ AND ESSAY ANSWERS

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NECO - AGRIC ANSWERS

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Exam Time: Monday 19th June 2017
OBJ & Essay – Agricultural Science – 2pm – 4:30pm
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COMPLETED
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AGRIC OBJ
1-10: DEBDADACAC
11-20: ABCDBABCAE
21-30: ACDEEBDBBA
31-40: DDCBAEEAAD
41-50: DDCBEDABEC
51-60: BAACECCEAC
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SECTION A

(2ai)
-It depletes soil nutrients 
-It destroys crops

(2aii)
-It makes it difficult for farmers to transport there goods to the market 
-It makes it difficult for extension workers to access the rural farmers and educate them

(2b)
-Non members of the community cannot have access to the land for farming 
-It cannot be used as security to obtain loan in bank
-Increase in population tends to reduce the size of farmland shared to each member

(2c)
Shifting cultivation is an agricultural system in which plots of land are cultivated temporarily, then abandoned and allowed to revert to their natural vegetation while the cultivator moves on to another plot. While Bush fallowing is a system of farming whereby the farmer cultivates one piece of land for some years and later leave it for some years with the aim of restoring the fertility of the soil naturally

(2d)
-Watering can
-Harvesting knife
-Sickle
-hand trowel

(2e)
Area=length x breadth 
Area = 200 x 400
Area = 80000m2

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SECTION B

(3a)
Use of organic matter
-Planting of cover crops
-Mixed cropping
-Land use planning

(3bi)
Monocropping is an agricultural practice in which the same crop is planted year after year, without practicing crop rotation or resting the soil while monoculture is the agricultural practice of producing or growing a single crop, plant, or livestock species, variety, or breed in a field or farming system at a time

(3bii)
mixed farming is the process of growing cops and feeding livestock while Mixed cropping is growing of two or more crops simultaneously on the same piece of land

(3c)
-Expansive land leveling is not required
-Water saving irrigation intensity can be changed in accordance with the infiltration capacity of soil
-High efficiency due to uniform water distribution
-No special skills trained personal can operate the system reasonably well

(3di)
-NPK compound fertilizer
-NPK Mg compound fertilizer fertilizer

(3dii)
-NPK Mg compound fertilizer
-NPK compound fertilizer

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SECTION C

(5a)
Crop rotation is The successive planting of different crops on the same land to maintain soil fertility and help control insects and diseases

(5b)
-It serves as food for man
-Some weeds are used for medicinal purposes
-Weeds Add Organic Matter and Nutrients to the Soil
-Weeds helps to control Wind, Water and Soil Erosion

(5c)
-Overgrazing
-Climatic and weather conditions
-Soil texture and structure

(5d)
-They are used for decorations
-Some of them serves as food for man and animals
-They are used as scent plants for their fragrance

(5e)
preplanting activities are farm activities carried out before rubber plantation e.g land clearing while post planting activities are activities carried out after planting e.g siping

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SECTION D

(8a)
-Presence of pathogens on the farm
-poor management and hygiene conditions of the animals
-Overstocking of animals

(8b)
Diet is the sum of food consumed by an animal while ration is the daily feed portion prepared from various feeds according to various animals’ requirements

(8c)
-Soil nature
-Accessibility
-Availability of water supply
-Climatic and weather conditions

(8d)
It causes diseases to farm animals
-It reduces farmers income
-It reduces the quality of farm animals and eventually leads to death

(8ei)
Bacteria

(8eii)
sudden onset of fever and difficulty in breathing.

(8eiii)
Feeding on contaminated feed

(8eiv)
Through the identification of infested areas and use of insecticide

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SECTION E

(9ai)
Supply in agricultural economics refers to the quantity of a good that the producer plans to sell in the market

(9aii)
-Climatic conditions
-Improvements in technology
-The rate of supply of a related good
-Costs of production I.e cost of rearing cow
-The number of producer I.e cow rearers

(9b)
-to maintain affordability of goods
-To prevent inflation
-To ensure a minimum income for providers of certain goods or a minimum wage

(9ci)
-Advantage:
-time savings compared with individual extension
-It is cheaper

-Disadvantage:
-It is not for communicating complex subject matters
-It is not easy to gather the target group and requires more skills

(9cii)
-Extension and rural women
-Extension and rural youth




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COMPLETED
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