WAEC 2017 Agriculture Science Question And Answer – May/June Exam Expo

OBJECTIVE ANSWERS

1-10. ADBDDAAAACC
11-20.ADDBDABDBC.
21-30.BAAADDDCCC.
31-40.ACCDCCBDCA.
41-50.BDCBBCBDBD.

THEORY ANSWERS
.

Agric – Theory

Currently – Typing

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1a)
(i). West African Rice Development Agency (WARDA)
(ii) International Livestock Centre for Africa (ILCA)
(iii) International Crop Research Institute for Semi-Arid Tropics (ICRISAT)
(iv) International Livestock Research Institute (ILRI)
(v). Food and Agriculture Organization

1b)
i)Agriculture regularly supplies raw materials like sugarcane , jute
cotton, oilseeds, tea, spices, wheat; paddy etc.
ii)Agriculture through Farmer-households used to save their money in the bank and other financial institutions which
ultimately is used by the industry owners in the form of investment.
iii)Industry regularly supplies scientific
tools and equipment’s like tractors, harvesters, pump-sets chemical fertilizers etc. to agriculture increase the per hectare production. Real
iv)Industry increase the market for finished agricultural goods some infrastructural development like
roads, railway, storage etc.

1ci.
The disc turkey is designed to work in all types of soil for functions such as soil breaking, soil raising, soil turning and soil mixing. • It is used to open the new fields and to process the stony areas _direct link

1c)ii Beam: A heavy iron lever having an oscillating motion on a central axis, one end of which is connected with the piston rod from which it receives motion, and the other with the crank of the wheel shaft.

1ciii.
Designed to distribute the weight of its load between the wheel and the operator so enabling the convenient carriage of heavier and bulkier loads than would be possible were the weight carried entirely by the operator.

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1d)
I)power output is very low.
ii)it cannot performe certain period of the day eg raining or sunny weather
iii)diseases may affect the efficiency of the working animal.
iv)the use of animal is restricted to certain climatic zone.
V)animals can die and get fatigue easily.

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(2a)
-Availability of water(Rainfall)
-Availability of source of water for irrigation
-The type of soil or land where irrigationis to be
carried out
-Availability of machine for installation
-Technical know how
(2b)
-Inadequate water supply or source of water
-High cost of equipment
-Lack of adequate technical know how
-Excessive dissolution of salts in irrigated water
prevent proper growth
-Disturbance of movement of farm machinery
(2c)
DRAW THE RECTANGLE
(2di)
-Disc polugh
-Mould board plough
(2dii)
-Harrow(Disc harrow)
-Ridger
-Cultivator

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(4ai)
Causal organism:Fungus(Ustilago maydis)

(4aii)
Mode of transmission:Spread by wind

(4aiii)
Symptoms:
-Galls on the ears
-The leaves turns black
-galls on the leaves and tassels

(4aiv)
Cultural control:
-destroy the diseased plant
-Use resistant varieties
-Treat seeds before planting

(4b)
-Taungya system
-Afforestation
-Regeneration
-Selective exploration
-Forest regulation
-Deforestation

(4ci)
-egg producers
-Meat and egg producers
-Meat producers
-Game birds

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(4cii)
-Egg producers:Turkey,chicken
-Meat and egg producers:Chicken turkey
-Meat producers:Chicken,Goat
-Game birds:Fowls
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(5a)
Anthrax:
(i)-Bacillus anthracis

(ii)-Via respiration ie air borne

(iii)-Small blisters on skin,vomiting,diarrhea

(iv)
-Use of antibiotics
-Killing and burrying of infected animals

(5bi)
-Fish meals
-Blood meal
-Soya bean cake Groundnut cake

(5bii)
-Field peas
-Alfalfa

(5c)
-It is mobile
-It is perishable
-Its supply is inelastic
-Its reward is wage and salary
-It is a physical and mental effort on man

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6)

Scarcity: This refers to the basic economic problem, the gap between limited, I.e Scarce – resources and theoretically limitless wants.

Scale of preference: is something used in economics to set a

list of products or services in the highest demand. Or the arrangement of our want in

ascending or descending order of importance or priority.

6d
i Honey bees provide 80% of pollination for vegetable, fruit, seed and flower crops.
ii They also pollinate the forage crops fed to dairy and meat animals
iii industrial purpose
Iv employment
V invome generation
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