AGRIC SCIENCE 2016 GCE FREE ANSWERS HERE!! - NAIJAHUD

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AGRIC SCIENCE 2016 GCE FREE ANSWERS HERE!!



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AGRIC OBJ:
1-10: BCDBDCDCAC
11-20: CAACDBBBDC
21-30: AACBCACCDD
31-40: BCBCCACABB
41-50: DDCABCDABB
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2a)The soil pH is a measure of
the acidity or alkalinity in
soils. pH is defined as the
negative logarithm (base 10)
of the activity of hydronium
ions (H+ or, more precisely,
H. 3O+
2b)
i. Inefficient Use Of Nitrogen.
ii. Increase in the concentration of hydrogen ions in the soil
iii. removal of product from the farm or paddock
iv. build up in organic matter

(2c)
(i) Agricultural limestone
(ii) Wood ashes
(iii) 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
(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.
 (3ai) It is caused by 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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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.
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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.
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Tuesday, 6th September, 2016
Agricultural Science (Essay&Objec
9.30am – 12.30pm
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