WAEC GCE AGRIC SCIENCE OBJ AND THEORY NOW AVAILABLE HERE

AGRIC OBJ
1-10 BCDBDCDCAC
11-20 CCAACDBBDC
21-30 AACBCACCDD
31-40 BCBCCACABB
41-50 DDCABCDABB

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

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


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.

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

2e.I)cowpea-Vigna unguiculata(underlined).                                             Ii)Rubber-Hevea brasiliensis(underlined)
Iii)Oil palm-Elaeis guineensis(underlined).   
Iv)Yam-Dioscorea alata(underlined).       

V)cocoa-Theobroma cacao(underlined)

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

4c) Artificial insemination is a reproduction technique used to introduce semen into a woman’s vagina, cervix, uterus or fallopian tubes without sexual intercourse


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. The development, via plant breeding, of new varieties is a major occupation of floriculturists.

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.

(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.Protective Gear/Clothing should be uses. -Odors
from the production can have adverse effect,protective
nose covering should be used. -considering the soil type
to be used to avoid crowning. -avoid bluising of bee
hives whenever allowed for fresh air

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