WAEC Agric Science Obj & Theory Questions & Answers – 2020 May/June Exam


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WAEC Agric Objective & Essay Questions & Answers - 2020 May/June Exam


2020 Waec Agric Science Answers

======================

*2020 AGRIC OBJ*
01-10: CBBCDBBAAB
11-20: CCCCDDDCDC
21-30: ABDACACBBC
31-40: AABBADDCCD
41-50: BBDAAADADC

*COMPLETED*

*Mr Kazeem*
*08023429251*

======================

Theory:

 

 

(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

(choose Any Three)

(i)Never use equipment with frayed cords, damaged insulation or broken plugs.

(ii) Always use insulated tools while working

(iii) carefully handle to avoid shock

(iv) Ensure adequate supply of light

 

 

(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.

(Vi) To save energy

====================== 

(2ai)

Soil texture refers to the proportion of sand, silt and clay sized particles that make up the mineral fraction of the soil.

 

(2aii)

Soil structure refers to the grouping of soil particles (sand, silt, clay, organic matter, and fertilizers) into porous compounds.

 

(2aiii)

Soil profile is a vertical cross-section of the soil, made of layers running parallel to the surface. It allows you to examine the structure of soil. A soil profile is divided into layers 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:

Sexually (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

====================== 

(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. 

====================== 

(6ai)

*Balance sheet as at 31st December.*

 

*Tabulate:*

Loan payable to cooperation 250,000 | Closing valuation 600,000

Debit payable to feed Miller’s 100,000 | Cash in bank 250,000

Capital outlay 600,000 | Debit received from egg seller 100,000

=950,000 | =950,000

 

(6aii)

(i) To know the financial position of the farm business

(ii) To reveal 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) Wood shavings are durable

(ii) Wood shavings do not cake up easily

(iii) It does not harbour bacteria as that of sawdust

 

 


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