NABTEB Geography Obj And Theory/Essay Expo Answer – May/June 2017

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ANSWER 4 QUESTIONS IN ALL

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SECTION A ANSWER 2QUESTIONS ONLY

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1a)

Population census may be defined as a

regular counting of the number of women, men, children, able and disabled people in a country by the government for the purpose of economic planning and development.

1b)

i)Population Density: The density of the

population of the different areas of a country can easily be known.

ii)Population size: Population census

helps the government to know the

total number of people in the country.

iii)Labor: The number of labor available

at a particular time in an area

can be determined through population census.

1c)

i)Irrelevant or duplicate data collected

ii)Pertinent data omitted

iii)Erroneous or misinterpreted data

collected

iv)Too little data acquired from client

v)Data base format causes disorganized health status profile

1d)

i)Increase in the dependency ratio

ii)Increased government spending on

health care and pensions

iii)Those in work may have to pay higher taxes

iv)Shortage of workers

v)Higher savings for pensions may

reduce capital investment.

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3a)

CHARACTERISTIC

i)Farming is done on subsistence level

ii)It is common in rural areas with

abundant farmlands

iii)It involves small holding of farmlands

iv)Food crops like yam, maize, cassava etc are grown

v)Farmlands are left to fallow after one

or two years of cultivation

3b)

land preparation is The process of

preparing the soil for planting, to

provide a soil environment favorable for

plant germination and/or growth.

3c)

-Advantages-

i)It aids the natural restoration of soil

nutrients during the fallow period

ii)It helps to control plant and diseases

and pests

iii)It uses cheap family labour

iv)It requires low farm input like cutlass

and hoe

v)It ensure continuous sustenance during periods of crop failure

3d)

-Disadvantages-

i)It leads to wastage of land which

could have been used by allowing

ii)it to lie fallowIt leads to soil erosion

when soil is exhausted

iii)It destroys valuable forest resources

like timber

iv)It leas to land fragmentation due to

increase in population

v)It does not leads to mechanization of

farms

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SECTION B ANSWER 2QUESTIONS ONLY

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7b)

i)availability of grasses for cattle feeding

ii)the vegetational zone is guinea savanna with rainfall span 6-8months to about 100-150cm/

iii)land is fertile for quick growth of grass and land not water logged hence rearing is convinent

iv)land ability vast land for rearing and reduced carnivores which could serve as predator

7c)

CATTLE

i)serve as source of food

ii)reduce disease out break or speard as a resevoir of some pathogenic parasites

iii)source of income as foregn exchange

iv)source of raw material for some industries(eg beef)

COCOA

i)source for food

ii)source for income

iii)source of raw material to industries

iv)research material or specimen

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6b)

i)serves as a tourist centre

ii)source of income for industrial production such as wood,ply,paper,pulp

iii)serves as home of some animals which in turn serves as a game reserve

iv)serves as home for reserve and safe keeping of some plants and animal species

v)forest serves as a wind breaker which in turn facilitate increase rainfall which aid better agricultural purpose in such area which helps in reduction of food shortage. Plant species also can be medicinal to cure many infections

6c)

i)soil erosion

ii)deforestation which exposes the soil(loss soil fertility)

iii)destruction of some animals habitat

iv)reduce rainfall in exploited area and interruption of water cycle

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5b)

i)they are dynamic and flow downhills

ii)presence of debris

iii)presence of cataracts

5c)

i)reduction in rainfall which enhance reduce the water volume and shortness of river

ii)silting of river