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.

2,683 questions JAMB 628 WAEC 2054 CUSTOM 1
Download PHP app Ask a Question Check Syllabus Past Question Videos Topic Video Lessons

Take a test

Past Questions

2,683 questions
Question 1 of 20 2,683 total questions
Question 131
waec 2023

Post-planting operations in cocoa plantation include
I. rogueing
II. stumping
III. mulching

AI and II only
BI, II and III
CI and III only.
DII and III only
View Explanation & Discuss
Question 132
waec 2023

The diagrams below illustrate different sources of farm power. Study them and answer the question.
Which of the illustrated sources of farm power decrease in efficiency due to constant use?

AII and III only
BI and III only
CI and II only
DI, II and III
View Explanation & Discuss
Question 133
waec 2023

The diagrams below illustrate different sources of farm power. Study them and answer the question.
The machinery illustrated in diagram III could be used to power
I. planters
II. dryers
III. sprayers

AII and III only
BI and III only
CI and II only
DI, II and III
View Explanation & Discuss
Question 134
waec 2023

The diagrams below illustrate different sources of farm power. Study them and answer the question.
Which of the illustrated sources of farm power is the cheapest

AII
BIII
CIV
DI
View Explanation & Discuss
Question 135
waec 2023

Rural-urban migration of farm labour could be prevented by

Aincreasing the cost of acquiring farmland
Bemploying more extension agents for farmers
Cincreasing the size of farmland for cultivation
Destablishing agro-based industries in villages
View Explanation & Discuss
Question 136
waec 2023

Day-neutral crops are crops that produce flowers regardless of

Adaylength being longer than the length of night
Bextremely low temperature
Camount of sunlight received by flowering plants
Dextremely high temperature
View Explanation & Discuss
Question 137
waec 2023

Cotton stainer is an insect pest of

Acotton
Bpepper
Cokro
Donion
View Explanation & Discuss
Question 138
waec 2023

The reduction of three seedlings of maize to two plants per stand is referred to as

Arogueing
Bthinning
Cweeding
Dpruning
View Explanation & Discuss
Question 139
waec 2023

Which of the following tools are used in soil analysis?
I. pH meter
II. Sieve
III. Hygrometer

AI and III
B
CI, II and III
DII and III
View Explanation & Discuss
Question 140
waec 2023

Examples of cover crops are

ACentrosema pubescens and Mucuna utilis
BMoringa oleifera and Imperata cylindrica
CPanicum maximum and Pennisetum purpureum
DCalopogonium mucunoides and Gliricidia sepium
View Explanation & Discuss
Question 141
waec 2023

High relative humidity in a brooder house could lead to

Areduced feed intake
Bproduction of dry litter
Cbuild up of pests and diseases
Dheat stress
View Explanation & Discuss
Question 142
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 143
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 144
waec 2023

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

ANitrobacter
BNitrosomonas
CAzotobacter
DRhizobium
View Explanation & Discuss
Question 145
waec 2023

The risk of production in agricultural business is borne by the

Afarm owner
Bfarm labour
Cfarm assistant
Dfarmer's family
View Explanation & Discuss
Question 146
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
View Explanation & Discuss
Question 147
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
View Explanation & Discuss
Question 148
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
View Explanation & Discuss
Question 149
waec 2023

A combine harvester is mainly used for harvesting

Atomato
Bgroundnut
Cpepper
Drice
View Explanation & Discuss
Question 150
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
View Explanation & Discuss
Question Navigator
Current
MathsFaculty