NECO Agricultural Science Obj And Essay/Theory Solution Questions and Answer – JUNE/JULY 2018 Expo Runz.
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Please Note: YOU ARE TO ANSWER 5 QUESTIONS ONLY
SECTION E
9a)
i)Nigerian Capital Market Serves As
Link Between farmers(producer) And consumer
ii)it encourages the processing of farm produce, into forms that the consumer desire.
iii)The exportation of agricultural products abroad provides foreign exchange to the government and country
iv)The sale of agricultural products can provide money or income to the farmers
9b)
Given that
Percentage Change in quantity = 15 -12 = 3
3/12 x 100= 25%
Change in price = 1700-1400 =300
300/1700 x 100= 17. 65%
Elasticity = 25/17. 65
Elasticity = 1. 42
9c)
i)Farm settlement scheme
ii)Operation feed the Nation
iii)Green resolution
iv)Agricultural development project
9d)
i)it also includes office calls
ii)The use of letters and correspondence
9ei)
Balance sheet:-The balance sheet show the capital or financial position of the farm at the end of the accounting period, usually a year. In balance sheet, list of assets is on the right hand side and the list of liability or debt is on the left hand side
9eii)
Farm income statement:it comprises all the farm receipts(sales) and expenses carried out on the farm out on the farm over a specified period of time. Farm income statement gives an accurate idea of the profitability of the farm
SECTION A
1a)
i) It is always important to carry out daily checks on your tractor before you drive it to ensure everything is in working order
ii) Always practice the Safe Stop procedure.
iii) When getting in and out of the tractor always use access steps and hand supports, adjust seat position to operate controls
1b)
i)Soil type: Soil characteristics and strength determine its ability to withstand stress exerted by a building. Erect structures on firm, well-drained soils.
ii)Topography: If the land is too sloppy, there are high chances of landslide occurrence; and if it is too flat, there is likelihood of poor drainage that leads to flooding. A relatively flat free drained area is most suitable.
1c)
TABULATE
-Subsistence Agriculture-
i) Farming practices in which crops are cultivated for local consumption.
ii) Farms are small and food crops are cultivated such as rice and wheat.
iii) Old tools and implements are used by the farmers.
iv) Depends on monsoon and there is greater use of manpower.
v)subsistence farming is aiming at self sufficiency.
-Commercial Agriculture-
i)Farming practice in which goods produced are mainly for the market to get cash.
ii)Farms are larger and cash crops are cultivated. Such as cotton, sugar-cane, jute.
iii)Better implements are used and there are proper irrigation facilities.
iv) Less of manpower is used.
v)Commercial farming is profit oriented, and profit is maximized through the implementation of economics of scale.
1d)
-TABULATE-
i)Cocoa bean – chocolate
ii)rubber chemicals – tyre
iii)milk – consumption products eg cheese, ice cream
iv)tree timbers – furniture
2a)
i)problem of land Tenure
ii)problems of basic Amenities
iii)problems of finance and poor financing
iv)poor transportation
v)poor tools and farm machines
vi)poor marketing system
vii)poor communication
2bi)
Green Resolution
i)To ensure adequate,
reliable and safe food
supplies for a rapidly
growing population
ii)To become self reliant
in basic food requirements
2bii)
River Basin development Authority
i)It aims at improving rural infrastructure which will reduce migration to urban areas
ii)construction of goad roads to project sites for easy transportation
2c)
i)it is not easily available.
ii)it require high cost of maintanance.
iii)it require capital investment .
iv)it can not be used by small scale farmer.
2d)
i)Avoid error due to parallax when reading measurement
ii)Avoid error of transposing figures on papers
SECTION B
3a)
nutrient cycle is the movement and exchange of organic and inorganic
matter back into the production of matter. In Other Words they are nutrients are not lost to the environment but instead can be re-used.
3b)
i)Bush burning
ii)Over grazing
iii)Percolation and leaching
iv)Erosion
3ci)
i)Good soil texture leads to high agricultural yield.
ii)It leads to maintenance of soil quality
3cii)
i)High temperature causes drought
ii)It leads to death of animals in some instances
3ciii)
i)They destroy farm produce.
ii)They reduce the value of farm produce.
3d)
i)Soil erosion and sedimentation
ii)Application of fertilizer
iii)Application of pesticides
iv)Bush burning
SECTION C
6ai)
Threshing is the process of loosening the edible part of rice from the husks and straw to which it is attached.
6aii)
Parboiling is a hydrothermal treatment of the rice kernels
6b)
i)Mouse.
ii)Beetles
6c)
i)use of crop rotation
ii)By planting of healthy plants
iii)By destruction of
infected crop cultivars
iv)The use of resistant cultivars.
6d)
i)It provides habitats for animals.
ii)It provides man with source of income
iii)It offer watershed protection,
iv)It helps in preventing soil erosion and mitigate climate change.
6e)
i)Flowering pear
ii)Flowering Crabapple
SECTION D
7ai)
Causal Organism is a severe, highly contagious viral disease of cattle and swine. It also affects sheep, goats, deer, and other cloven-hooved ruminants. In other words The disease is caused by a virus
7aii)
i)Weight loss.
ii)Low conception rates.
7aiii)
i)Through contact with an infected person’s saliva, stool, or respiratory secretions.
7aiv)
i)monitor and report illness;
ii)appropriate disposal of manure and dead carcasses.
7av)
i)Good biosecurity measures should be practiced on uninfected farms to prevent entry of the virus.
7b)
i)It regulate the acidity of the blood.
ii)It control the concentrations of water and salt in the body fluids
iii)It excrete the waste product urea
7c)
i)Air is sucked in through the mouth or nose.
ii)Gas Exchange or oxygen deprived, dark blue blood is then delivered to the blood vessels of the lungs.
iii)muscle contraction or it requires muscular effort.
7d)
i)Evaluating the effects of air stress during storage on aerobic stability
ii)Analysing the effects of exposure to air at feed-out of silage on methane
iii)Evaluating the effects of 6 silage additives on storage losses, silage quality.
COMPLETED
