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.

50 questions JAMB 628 WAEC 2054 CUSTOM 1
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Past Questions

50 questions
Question 1 of 20 50 total questions
Question 11
waec 2025

Crops which require the illustrated farm operation are

Aokro and pepper
Byam and cowpea
Ctomato and yam
Dtomato and okro
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Question 12
waec 2025

Which of the following statement is not a reason for carrying out the illustrated farm operation ? To

AImprove the yield of the crops
Bexpose the leaves to sunlight
Cprevent damage by rodents.
Dprevent lodging of the plants
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Question 13
waec 2025

Elaeis guineensis and Arachis hypogaea are examples of

Afibre crops
Boil crops
Cfruit crops
DLatex crops
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Question 14
waec 2025

propagation of ginger is generally done using its

Arhizome
Bseed
Csucker
Dcorm
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Question 15
waec 2025

Two species of kola grown for commercial purposes in West africa are

ACola nitida and Cola verticillata
BCola verticillata and cola gigantea
CCola nitida and Cola acuminata
DCola acuminata and Cola gigantea
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Question 16
waec 2025

A plot of land devoted to the cultivation of fruit tree is called

 

Afarmstead
Borchard
Cforest
Dranch
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Question 17
waec 2025

Okro seeds are shown on 0.72 hectares of farmland at a spacing of 60cm by 60cm. Calculate the expected lant population.

A3,600 plants
B20,000 plants
C7,200 plants
D10,000 plants
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Question 18
waec 2025

The botanical name of onion is

AAllium cepa
BCarica papaya
COryza sativa
DZea mays
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Question 19
waec 2025

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

Aremove sprouts and rotten tubers
Bprevent mouldiness in yam
Cremove irregular shaped tubers
Dcontrol termite attack
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Question 20
waec 2025

Drying of newly harvested grains before storage helps to increase the

Amoisture content
Bpest incidence
Cnutrient content
Dseed viability
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Question 21
waec 2025

The following factors are essential for maize production except

Arelative humility
Bhigh temperature
Cadequate rainfall
Dlow temperature
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Question 22
waec 2025

The phosphorus cycle is described as being sedimentary because phosphorus

Ais solid at room temperature
Boccurs in the atmosphere
Cis an earth bound element
Dis a macro element
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Question 23
waec 2025

A farmer practice crop rotation in order to

 

Areduce yield
Bimprove soil texture
Cimprove soil fertility
Dincrease pest incidence
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Question 24
waec 2025

Which of the following practices will improve clay soil ?

Ause of acid-forming fertilizers
Baddition of organic material
Cbush burning
Daddition of sodium chloride
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Question 25
waec 2025

In an experiment to determine the percentage of organic matter in a soil sample, The following data was collected :
weight of oven-dried soil before burning =50g
weight of oven-dried soil after burning = 28g
Determine the percentage of organic matter in the soil

A60%
B56%
C22%
D44%
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Question 26
waec 2025

In an experiment to determine the percentage of organic matter in a soil sample, The following data was collected :
weight of oven-dried soil before burning =50g
weight of oven-dried soil after burning = 28g
Calculate the weight of organic matter in the soil

 

A22g
B11g
C44g
D78g
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Question 27
waec 2025

Microorganism that decompose organic matter will function best under

Aoptimum soil pH
Blow soil temperature
Canaerobic soil condition
Dwaterlogged soil condition
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Question 28
waec 2025

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

Ameat and fish
Bpulpwood and cocoa
Ccotton and tea
DHide and skin
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Question 29
waec 2025

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

 

Aslate
Bgraphite
Cmarble
Dgneiss
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Question 30
waec 2025

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

 

Asurface water
Bcapillary water
Chygroscopic water
Dgravitational water
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