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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.

130 questions JAMB 628 WAEC 2054 CUSTOM 1

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130 questions

Question 1 of 20 130 total questions

Question 21

waec 2023

Study the table below and use it to answer the question

Cost Price (N)	Useful life (Years)	Salvage value (N)	Annual depreciation (N)	Total depreciation
20000	Y	5000	1000 annum	15000
60000	10	18000	4200 annum	Z

The total depreciation represented by Z in the illustrated table is

AN 42,000

BN78,000

CN 22,200

DN 55,800

View Explanation & Discuss

Question 22

waec 2023

Study the table below and use it to answer the question

Cost Price (N)	Useful Life (Life)	Salvage value (N)	Annual depreciation (N)	Total depreciation
20000	Y	5000	1000 annum	15000
60000	10	18000	4200 annum	Z

The useful life represented by Y in the illustrated table is

A3 years

B4 years

C15 years

D20 years

View Explanation & Discuss

Question 23

waec 2023

The bacterium which is responsible for conversion of ammonium compounds to nitrites in the nitrogen cycle is

ANitrobacter

BNitrosomonas

CAzotobacter

DRhizobium

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Question 24

waec 2023

The risk of production in agricultural business is borne by the

Afarm owner

Bfarm labour

Cfarm assistant

Dfarmer's family

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Question 25

waec 2023

The diagram below illustrates a reproductive process in a farm animal. Study it and answer the question.
The foetus obtains dissolved oxygen and nutrients from the dam through the parts labelled

AI and II

BII and III

CI and III

DIII and IV

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Question 26

waec 2023

The diagram above illustrates a reproductive process in a farm animal. Study it and answer the question.
The parts which protect the foetus from mechanical injury are labelled

AI and III

BI and II

CIII and IV

DII and III

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Question 27

waec 2023

The diagram above illustrates a reproductive process in a farm animal. Study it and answer the question.
The reproductive process illustrated by the diagram is

Alactation

Bgestation

Covulation

Dheat

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Question 28

waec 2023

A combine harvester is mainly used for harvesting

Atomato

Bgroundnut

Cpepper

Drice

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Question 29

waec 2023

If 200 ml of water was poured on a soil sample in a beaker and 25% of the water drained through the soil, determine the amount of water retained in the soil.

A25 ml

B175 ml

C50 ml

D150 ml

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Question 30

waec 2023

Seedlings are best transplanted in the field

Aearly in the morning and late in the evening

Bat midday and at dusk

Cearly in the morning and at midday

Dlate in the morning and late in the evening

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Question 31

jamb 2023

What is the primary purpose of processing facilities in agriculture?

ATo process raw agricultural materials into value-added products

BTo provide shelter and housing for livestock

CTo package and label agricultural products

DTo store and preserve harvested crops

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Question 32

jamb 2023

What are the primary benefits of agricultural extension services?

APreservation of traditional farming practices

BEnhanced knowledge and skills of farmers

CIncreased crop diversity and yield

DImproved market access for agricultural products

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Question 33

jamb 2023

Which of the following is NOT a component of soil?

AOrganic matter

BWater

Crubber

DMinerals

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Question 34

jamb 2023

Which of the following is an example of a pasture commonly used in agriculture?

ACorn plantation

BOrange orchard

CCattle pasture

DWheat field

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Question 35

jamb 2023

What is a potential disadvantage of mass media for farmers?

ALack of credibility in agricultural news

BInsufficient coverage of farming practices

CLimited access to information

DIncreased cost of agricultural inputs

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Question 36

jamb 2023

What is the primary purpose of an agricultural extension service?

AProviding financial assistance to farmers

BOffering training and advisory services to farmers

CConducting research on agricultural practices

DMarketing and selling agricultural products

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Question 37

jamb 2023

What is the relationship between demand and supply in agriculture?

ADemand in agriculture is independent of supply

BDemand and supply in agriculture are interdependent

CSupply in agriculture is determined solely by demand

DDemand and supply in agriculture are unrelated

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Question 38

jamb 2023

What is the role of agricultural extension officers in relation to farmers?

ATo provide financial support to farmers

BTo sell agricultural products to farmers

CTo offer technical advice and assistance to farmers

DTo regulate agricultural practices on farms

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Question 39

jamb 2023

What are some advantages of agricultural extension?

AAll of the above

BIncreased access to modern agricultural technologies

CImproved farm productivity and profitability

DEnhanced knowledge and skills of farmers

View Explanation & Discuss

Question 40

jamb 2023

What is the primary purpose of agricultural mechanization?

APromoting sustainable irrigation techniques

BIncreasing crop diversity in farming systems

CReducing labor requirements in agriculture

DEnhancing organic farming practices

View Explanation & Discuss

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