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Agricultural Science Past Questions

Study and practice Agricultural Science past questions with answers and detailed explanations. Then test your knowledge using our interactive CBT practice platform and prepare confidently for your upcoming examinations.

2,054 questions JAMB 628 WAEC 2054 CUSTOM 1

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Past Questions

2,054 questions

Question 1 of 20 2,054 total questions

Question 111

waec 2021

Okro seeds are sown on 0.72 hectares of farmland at a spacing of 60cm. Calculate the expected plant population

A3,600 plants

B7,200 plants

C10,000 plants

D20,000 plants

View Explanation & Discuss

Question 112

waec 2021

The botanical name of onion is

AZea mays

BOryza sativa

CCarica papaya

DAllium cepa

View Explanation & Discuss

Question 113

waec 2021

Yam stored in a barn should be inspected at least once a week in order to

Aremove irregular shaped tubes

Bcontrol termite attack

Cprevent mouldiness in yam

Dremove sprouts and rotten tubers

View Explanation & Discuss

Question 114

waec 2021

Drying of newly harvested grains before storage helps to increase the

Amoisture content

Bpest incidence

Cseed viability

Dnutrient content

View Explanation & Discuss

Question 115

waec 2021

The following factors are essential for maize production except

Ahigh temperature

Blow temperature

Crelative humidity

Dadequate rainfall

View Explanation & Discuss

Question 116

waec 2021

The phosphorus cycle is described as being sedimentary because phosphorus

Ais a macroelement

Bis an earthbound element

Cis solid at room temperature

Doccurs in the atmosphere

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Question 117

waec 2021

A farmer practices crop rotation in order to

Areduce yield

Bimprove soil texture

Cincrease pest incidence

Dimprove soil fertility

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Question 118

waec 2021

Which of the following practices will improve clay soil?

Ause of acid-forming fertilizers

Bbush burning

Caddition of sodium chloride

Daddition of organic material

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Question 119

waec 2021

In an experiment determine the percentage of organic matter in a soil sample, the following data was collected; weight of over-dried soil before burning = 50g
weight of over-dried soil after burning = 28g. Use the information to answer this question.

Determine the percentage of organic matter in the soil

A22%

B44%

C56%

D60%

View Explanation & Discuss

Question 120

waec 2021

Calculate the weight of organic matter in the soil

A11g

B22g

C44g

D78g

View Explanation & Discuss

Question 121

waec 2021

Microorganisms that decompose organic matter will function best under

Awaterlogged soil condition

Banaerobic soil condition

Clow soil tempertaure

Doptimum soil PH

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Question 122

waec 2021

Which of the following pairs of raw materials is used in the canning industry

Ameat and fish

Bcotton and sea

Chide and skin

Dpulpwood and cocoa

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Question 123

waec 2021

The new rock formed when limestone is subjected to great heat and pressure is

Aslate

Bgraphite

Cmarble

Dgneiss

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Question 124

waec 2021

Open photo

The major source of water to the plants in the diagram is

Agravitational water

Bhygroscopic water

Ccapillary water

Dsurface water

View Explanation & Discuss

Question 125

waec 2021

The diagram below illustrates processes in the water cycle. Use it to answer this question.
Open photo

The process labelled II is

Atranspiration

Bcondensation

Cevaporation

Drespiration

View Explanation & Discuss

Question 126

waec 2021

The diagram below illustrates processes in the water cycle. Use it to answer this question.
Open photo

The process labelled I is.

Aevaporation

Babsorption

Crespiration

Dtranspiration

View Explanation & Discuss

Question 127

waec 2021

In planning a farmstead, the structure which should be located on high elevation is the

Afish pond

Bpigsty

Cfarmhouse

Dprocessing shed

View Explanation & Discuss

Question 128

waec 2021

Which of the following types of farm power does not cause pollution?

Ahydro

Belectrical

Cmechanical

Dchemical

View Explanation & Discuss

Question 129

waec 2021

A tractor-mounted sprayer used on large scale farms is the

Aelectrodyne sprayer

Bmotorised sprayer

Cknapsack sprayer

Dboom sprayer

View Explanation & Discuss

Question 130

waec 2021

The diagram above illustrates a farm tool. Use it to answer this question.

The farm implement that could perform a similar function as the illustrated tool is

Aplough

Bharrow

Cridger

Dcultivator

View Explanation & Discuss

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