WAEC 2020 AGRIC SCIENCE ANSWERS – EXPO RUNS

NABTEB 2020 MAY/JUNE OFFICIAL TIMETABLE
WAEC 2020 COMPUTER STUDIES ANSWERS – EXPO RUNS

 

AGRIC OBJ:
1-10: CBBCDBCAAB
11-20: CCCCDDDCDC
21-30: ADDACACBBC
31-40: AABBACCCBB
41-50: CBDAACDABC

 

NO: 1,2,3,5,6 ANSWERED



(1ai)
Poor Transportation
(Choose Any Two)

(i)construction of new feeder roads to open up the rural areas
(ii)construction of water ways to link up the riverine area
(iii)construction of railways to connect rural areas to the urban centres
(iv)Reduction in transportation cost to make such affordable to the rural farmers
(v)Provision of vehicles ,boats and trains to facilitate the distribution of farm product

(1aii)
Environmental degradation
(Choose Any two)
(i)Flooding should be avoided
(ii)soil erosion should be properly checked
(iii)cover cropping should be practised
(iv)Terracing and strip cropping should also be practised
(v)Pollution and deforestation should be avoided

(1aiii)
Use of crude farm input
(choose Any two)
(i)Government should subsidise the cost of farm input
(ii)Farm input should be supplied at the right time to farmers
(iii)Local sourcing of these inputs should be encouraged
(iv)Establishment of tractor- hiring unit at affordable costs to farmers

(1bi)
Animal power
(choose Any Three)
(i)Treat animals fairly to prevent them from being hostile
(ii)Do not overwork draught animals
(iii)Feed and provide them with adequate water
(iv)Make sure that animals are healthy
(v)Apply muzzle and keep them in a healthy environment

(1bii)
Electrical power
(i) Ensure adequate supply of light
(ii) Proper checking of all electrical appliances in the farm
(iii) The operator must be an expert

(1c)
(i) To increase durability.
(ii) To increase efficiency.
(iii) Reduce costs of replacement.
(iv) For safety of the user/avoid accidents.
(v) Avoid damage to the tool.



(2)
(2ai)Soil texture: refers to the relative proportion (sizes) of the various particles of the soil . in other words,it refers to the degree of fitness or coarseness of the various soil particle.

(2aii)soil structure: refers to the ways in which different particles of the soil are packed or arranged. it is also refers to the shape and arrangement of primary particles to form compound particles

(2aiii)soil profile:refers to the vertical section of the soil,showing series of horizontal layers of different type of soil and these horizontal layers are called horizons.

(2bi)
(i) It is used to rapidly increase the number of desirable cultivars
(ii) It is used to change plant form
(iii) I Used to repair damaged plant parts

(2bii)
(i) Mango
(ii) Guava

(2c)
(i) Mulching
(ii) Application of farmyard manure
(iii) Bush fallowing

(2d)
(i) Storage in airtight bins helps maintaining insect free grains.
(ii) Before storing grains the go downs (store houses) should be disinfected. Following methods of disinfestations of store rooms are recommended
(iii) Threshing yard should be situated more than a mile away from the granaries so as to reduce the chance of pest reaching to granaries through migration.
(iv) For bag storage of grains, “pucca” cement concrete or brick made store houses are recommended.



(3ai)
Method of propagation:
S_xually (by seeds) and vegetative propagation

(3aii)
Spacing in the field:
7.0m × 7.0m

(3aiii)
(i)The seedings are now replanted at 60cm × 60cm spacing
(ii)it is planted around April and May

(3aiv)
(choose Any Two)
(i)Thrips
(ii)Red mites
(iii)Aphids
(iv)Fruit borers
(v)Caterpillars

(3av)
(choose Any two)
(i)Gummosis
(ii)Citrus scab
(iii)Tristeza

(3bi)
Surface irrigation: Is the system in which the rived or dem overflow its banks so as to flood the whole area

(3bii)
Surface drainage Is the removal of excess water from the surface of the farm land using constructed open ditches ,field drains and lateral ditches

(3ci)
(i)water use efficiency is high
(ii)it ensures low evaporation losses from the soil
(iii)it is cheap to practice

(3cii)
(i)Easy to construct
(ii)it prevent stagnant water
(iii)it is cheaper than sub surface



(5a)
In a tabular form

DISEASES:
Brucellosis:
(i) Bacteria
(ii) Cattle, sheep, goat
(iii) Fever, loss of appetite
(iv) Proper vaccination

Aspergullosis:
(v) Fungi
(vi) Dog, pig
(vii) Cough, fever
(viii) Proper vaccination or isolation of affected animals

(5b)
(i) It helps to improve hygiene of the chickens
(ii) It also helps to reduce incidence of friction.
(iii) It helps to reduce excess exercises thereby leading to a better production.
(iv) It leads to lost cost.
(v) It does not require the problem of letters.

(5c)
(i) It leads to higher incidence of foot lesions.
(ii) It leads to high incidence of metabolic disorder.
(iii) Lack of dust bathing opportunities.
(iv) Lack of behavioural opportunities.
(v) It may lead to high risk of diseases.
CLICK HERE FOR THE IMAGE



(6a)
Tabulate
Balance sheet as at 31st December.

Under Right.
Loan payable to cooperation 250,000
Debit payable to feed Miller’s 100,000

Capital outlay 600,000
=950,000

Under Left.
Closing valuation 600,000
Cash in bank 250,000
Debit received from egg seller 100,000
=950,000
CLICK HERE FOR THE IMAGE

(6aii)
(i)To know the financial position of the farm business.
(ii)It reveals the assets and liabilities of the farm business

(6b)
(i)Commercial bank
(ii)Government Agricultural grant
(iii)personal savings
(iv)Agricultural credit scheme
(v)Agricultural cooperative societies

(6c)
(i)woodshavings is durable
(ii)woodshavings do not cake up easily
(iii) it does not harbour bacteria as that of saw-dust

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