Waec Gce 2016 Agric Science Obj And Theory Answers – Nov/Dec Expo - Gidifans

You Are Here: Home » Exam - Waec Gce » Waec Gce 2016 Agric Science Obj And Theory Answers – Nov/Dec Expo - By xCoDeD On September 5, 2016 At 1:12 pm

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AGRIC OBJ
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1a)
-They help to educate the farmers on new farming techniques
-They help provide agricultural shows and talks to the farmers
-They help to provide improved seedlings to the farmers
-They help to provide pesticides to the farmers
-They help to train the farmers on better planting methods as newly developed

(1b)
advantages:
-the land can be used as collateral to obtain loans from commmercial banks
-the land cab be improved by way of fertilizer-application in order to maintain its fertility
Disadvantages:
-it leads to excessive land fragmentation wgich makes the land very difficult and unecomincal
-sharing of land is a delicate issue which can generate bitter enmity among family members

(1c)
-plant the crops on the best soil within the farm
-fbuilding should be located in easily accessible areas
-livestock buildings should be located on the poorest soil withing the farm
-farm building should not be located on slopes to avoid erosion

1di) The knapsack sprayer is used for applying pesticide to the crops
The knapsack sprayer is used for applying fertilizer to the soil
1dii)
Cultivators.
Harrow.
Planks and rollers
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2a)
Soil PH can be defined as a measure of degree of acidity or alkalinity of the soil

2b)
-leaching
-Use of acid fertilizers
-Presence of acid parent materials

2c)
-Agricultural limestone
-Wood ashes
-Organic matter

2d)
-Cowpea:Grain legumes-These crops are rich in protein
-Amaranthus:Vegetable crops-These crops provide vitamins and minerals
-Oil palm:Oil crops-These crops provide oil when processed for domestic and industrial use
-Coconut:Oil crops-These crops provide oil when processed for domestic and industrial use
-Cassava:Root and tuber crops-These crops produce tubers under the ground and they provide arbonhydrate
-Maize:Cereal crops-This crops belong to the grass family and they provide carbonhydrate
-Soya bean:Grain legumes-These crops are rich in protein
-Cocoa:Beverage crops-They provide food drinks when processed
-Pepper:Spices-They provide vitamins and minerals
-Plantain:Fruit crops-They also provide vitamins and mineral

2e)
i)Cowpea-Vigna unguiculata
ii)Rubber-Hevea braziliensis
iii)Oil palm-Elaeis guineensis
iv)Yam-Dioscrea spp
v)Cocoa-Theobroma cacao
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4a)
i)availability of good feeds
ii)Good weather and climatic conditions
iii)Low attack by diseases

4b)
area of deep liter
=20×100
=2000m^2
white legtherm for square = 200/3
=666.67m
=667legtherm

4c)
Artificial insemination (AI) is the deliberate introduction of sperm into a female’s uterus or cervix for the purpose of achieving a pregnancy through in vivo fertilization by means other than sexual intercourse.

4d)
i)The progeny testing can be done at an early age.
ii)The semen of a desired sire can be used even after the death of that particular sire.
iii)The semen collected can be taken to the urban areas or rural areas for insemination.
iv)It makes possible the mating of animals with great differences in size without injury to either of the animals.

4e)
Floriculture,or flower farming, is a discipline of horticulture concerned with the cultivation of flowering and ornamental plants for gardens and for floristry, comprising the floral industry.

4f)
i)Berberis thunbergii.
ii)Buxus sempervirens (Box)
iii)Carpinus betulus (Hornbeam)
iv)Crataegus monogyna (Hawthorn)
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6a)
i)he must be persuasive
ii)he must be approachable
iii)he must pass government policy to the farmers
iv)he must be knowledgeable

6bi)
Advantages:
-the farmer receives more attention from the agent.
-the farmer gets information faster through the use of telephone
disadvantages:
-it waste a lot of time
-many farmers cannot e reached
6bii)
advantages:
-it saves cost and time
-it is not as tedious as in personal contact
disadvantages:
-the unserious ones can discourage others
-shortage of extension workers to reach many groups

6c)
these are laws promulgated by the government in form of decrees, edicts and bye laws to prevent people from exploiting the forest at will, that is helps to conserve or preserve trees.

6d)
i)Work Carefully
ii)do Inspections During Nice Weather
iii)Wear Protective Gear
iv)Keep The Hive Tidy
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3ai)fungi
3aii)Rain and wind can spread disease, as well as insects and irrigation water.
3aiii)chlorosis of the onion leaves occurs,
3aiv)
i)Bury or flail infected crop residues after harvest to promote decomposition.
ii)Avoid overhead water and over-watering, especially in transplant production.

3b)
i)They feed on natural fibers
ii)They have a direct impact on agricultural food production by chewing the leaves of crop plants
iii)They reduce crop yield
iv)they reduce the quality of crops
v)they cause retarded growth of crops

3c)
i)Select boars that are free from defects
ii)grow faster than average
iii)have less backfat than the average of the breed
iv)have eaten less feed than average to reach a specific weight.

3d)
i)Good for maternal and rotational crossbreeding
ii)Docility and ease of management
iii)Lower wintering cost
iv)Early maturity and longevity
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(5a)
(i)ADVANTAGES:
-water use efficiency is high
-It ensures low low evaporation losses from the soil
-It does not create obstruction when carrying out cultural practices

(ii)DISADVANTAGES:
-Water which has high salt content cannot be used
-It requires some level of expertise or technical know how
-It is a bit expensive

(5b)
(i) Irrigation softens the soil for esy tillage operations
(ii) It provides moisture in the soil for root absorption
(iii) It assists in facilitating crop production all year round
(iv) Irrigation dissolves nutrients for root absorption

(5c)
Farm budgeting is a process of estimating costs, returns and net profit of a farm or a particular enterprise. Budget is a statement of estimated income and expenditure.

(5d)
(i)Salvage value=D30,000
(ii)Useful life of the tractor=10years
(iii)Total depreciation=cost price – salvage value
=D200,000-D30,000
=D170,000

(iv)
Annual depreciation=cost price-salvage value/lifespan
=D200000-D30000/10yrs
=D170000/10
=D17000

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16 Comments
  1. Princess says:

    u a gud to me

  2. jobamz says:

    Abeg send agric

  3. Anonymous says:

    why would you guys post it around after 1 when the exam would have been done

  4. Anonymous says:

    post it now

  5. james says:

    5b).
    i). It provides soil with water and overcomes drought
    ii). It leads to increase in productive land, such as salty areas that may be leached away with irrigation water to make it suitable for production.
    iii). It provides pastures for livestock during the dry season.
    iv). It leads to increase in farmers income.

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  7. Mimi says:

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