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Friday 28th Jun Paper II: Objective & Essay - Agric Science 10.00 am - 12.30 pm

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VERIFIED NECO AGRIC OBJ:

1-10: cbbbaebeeb
11-20: cdaeceedca
21-30: dacaadacda
31-40: bbaeccbeac
41-50: adebcbcaec
51-60: dcbadeabcb



(1)a.
-creation of job
opportunity=agriculture
provides job oppotunity for the
teaming
population of a nation. -source of food=agriculture
provides food for
the teaming population of a
nation.
-source of income=agriculture
provides income for both the individuals and the
nation.

(1b.) The five difference between subsistence
agriculture and commercial agriculture are:
i.subsistence does not require large area of land
while commercial requires large area of land.
ii.subsistence requires manual labour while
commercial requires mechanize system.
iii.Subsistence ,production is for family use while
commercial,prod uction is for sales. iv.in
subsistence little capital is needed while in
commercial huge capital is needed. v.subsistence
does not require hired labourers while commercial
requires hired labourers.

(1c.)
The three disadvantages of land tenure
systems are:
-it makes land to be fragmented as the
death of the owner may lead to sharing
of the land among his children.
-it does not allow mechanized
agriculture.
-prospective farmers may not have
access to the required land.

3a) title of experiment: to
determine the moisture center
of a soil sample.
marerial require:
soil sample weighing balance
evaporating dish
stirring rod
wire guaze
bunsen burner
tripod stand.

Procedure:
- weight the mass of the empty
evaporating dish
-place a sample of soil into the
dish and reweigh
-heat the dish with the soil with a bunsen burner
for two to
threehours
-stir the soil constantly with
the glass rod to aid
evaporation
-the dish with the soil is cooled in a desication and
reweighed.
Result and calculation
mass of empty evaporation
dish=xg mass of dish + fresh
soil=ag
mass of fresh soil only = (x-a)g
mass of dish + dried soil=cg mass of dried soil
only=cg-xg
mass of water driven off=(d-e)g
percentage of water by mass=
(mass of water)/(mass of fresh
soil)*100/1 GINGERBASE.COM

(3b) effect of clean clearing on
the soil
-it result in the disturbing or
removal of top soil
-it exposes the soil to direct
sunshine
-it increase the temperature of
the soil
-it exposes the soil erosion
-it leads to reduction of soil
organisms
(3c)
-millipede
-nematode
-earth worm
-termite
-centipede
(3d)
-sprinkle irrigation
-drip irrigation

(4ai)
Drainage is a process whereby
excess water in the soil is
removed artificially to promote
good farming activities.

(4aii) -it easy to construct
-it cheaper than sub-surface
drainage
-cost of maintance is low
-it more efficient
-high value crops are grown

(4b)
-nitrogen
-phosphorus
-potassium
-calcium
-sulphur
-Iron

(4c)
-by planting cover crops
-by application of farm yard
manure
-by mulching the soil

(5a) Husbandry of Maize

(5ai) Climatic and soil
requirement
- Maize requires a temperature
of 26degree celsius- 30 degree celsuis
-Rainfall of between
75cm-150cm per annum and
-Drained sandy loamy soil of PH
6-7

(5aii) Method of propagation
- Maize is propagated by seed
-Maize seeds can be planted
manually by stick or cutlass or
mechanically by planter

(5aiii) Planting date
-Early maize is planted between
march / april
-Late maize is july/august
- Maize (early or late) is also
planted, depend on location and rainfall

(5aiv)
Spacing: 90cm *30cm at one
seed per hole or 75cm*25cm at
two seeds per hole

(5b)
1- provision of food
2- provision of fuel
3- provision of medicinal herbs
4- forest serves as wind break
5- provision of employment
7- prevention of soil erosion
8- home of wild animals

(10a)(i.)
The law of demand states that the higher the
quantity
demanded of a given
goods and services the
higher the price and the
lower the quantity supplied
and vice versa.

(10aii.)
The four factors that affect
the supply of cassava in
Nigeria are:
-the demand for
cassava:the demand for cassava affects its
supply,ie
the higher the demand the
lower the quantity supplied
and vice versa.
-price:the higher the price
of cassava the higher the quantity supplied of
cassava and vice versa.
-income of consumers:the
income of consumers will
affect the supply of
cassava because the higher the income the higher
the
demand and the higher the
supply.
-taste and fashion:change
in taste of consumer for
other goods will affect the supply of cassava.









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Posted By KELLYCHI On 06:12 Fri, 28 Jun 2013

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