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.

128 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

128 questions
Question 1 of 20 128 total questions
Question 11
waec 2019

A major storage pest of cereals in West Africa is?

Astem borer
Bweevil
Cbird
Darmy worm
View Explanation & Discuss
Question 12
waec 2019

The vector of leaf curl disease of cotton is?

Agrasshopper
Btermites
Cthrips
Dwhite fly
View Explanation & Discuss
Question 13
waec 2019

Sexual propagation of omamental plants involves the use of?

Astems
Bseeds
Csuckers
Drhizomes
View Explanation & Discuss
Question 14
waec 2019

The growth of both trees and arable crops on the same piece of land is?

Aley farming
Bmixed farming
Cforestry
Dtaungya system
View Explanation & Discuss
Question 15
waec 2019

Protective functions of forests include the following except

Asoil conservation
Bserving as windbreak
Cpurification of air
Dsource of firewood
View Explanation & Discuss
Question 16
waec 2019

If maize seed is sown at a spacing of 100cm x 50cm, determine the expected maize plant population per hectare? 

A40,000
B20,000
C5,000
D2,000
View Explanation & Discuss
Question 17
waec 2019

A planting material used in propagating plaintain is the?

Acrown
Bpeeper
Cslip
Dleaf
View Explanation & Discuss
Question 18
waec 2019

Which of the following statements are advantages of mulching? it I.Controls weeds II.Conserves soil moisture. III.Increases soil temperature. IV.Reduces soil pH.

AI and II
BI and III
CII and IV
DIII and IV
View Explanation & Discuss
Question 19
waec 2019

Which of the following statements is not a reason for budding? The resulting plants_______

Acan withstand adverse climatic conditions
Bflower and fruit early
Care more disease resistant
Ddevelop broader leave for photosynthesis
View Explanation & Discuss
Question 20
waec 2019

Corns, rhizomes and tubers are examples of?

Aunderground roots
Bunderground stems
Caerial stems
Dmodified leaves
View Explanation & Discuss
Question 21
waec 2019

In green manuring, crops are ploughed into the soil just before flowering in order to?

Acontrol soil pathogens
Benrich the soil with nutrients
Ccontrol soil erosion
Dincrease the soil temperature
View Explanation & Discuss
Question 22
waec 2019

The growing of only one crop on a piece of land from year to year is known as?

Amixed cropping
Bcrop rotation
Cmonoculture
Dshifting cultivation
View Explanation & Discuss
Question 23
waec 2019

In a crop rotation system, it is usually preferred that cassava comes last in the rotation because it?

Aadds nitrogen to the soil
Bis a shallow feeder
Cis a deep rooted crop
Dis a perennial crop
View Explanation & Discuss
Question 24
waec 2019

Liquid fertilizers and pesticides could be applied through?

Afurrow irrigation
Bchannel irrigation
Csprinkler irrigation
Dflood irrigation
View Explanation & Discuss
Question 25
waec 2019

Study and answer this question

The soil horizon that is not supportive of the growth of tree crops is?

AhorizonA.
BhorizonB
ChorizonC
DhorizonD
View Explanation & Discuss
Question 26
waec 2019

Which of the following mineral elements is essential for chlorophyll formation?

Acalcium
Bboron
Csodium
Dmagnesium
View Explanation & Discuss
Question 27
waec 2019

A fresh garden soil sample weighed 25kg. When oven-dried, its weight reduced to 20kg. Calculate the percentage moisture content of the soil sample.

A5.0%
B12.5%
C20.0%
D25.0%
View Explanation & Discuss
Question 28
waec 2019

The type of rock formed from accumulation of materials transported by water is called?

Asedimentary rock
Bigneous rock
Cmetamorphic rock
Dplutonic rock
View Explanation & Discuss
Question 29
waec 2019

Which of the following groups of organisms are parasites plants?

Anematode, fungus and bacterium
BStriga, nematode and dodder
CDodder, fungus and striga
DMistletoe, fungus and bacterium
View Explanation & Discuss
Question 30
waec 2019

A biotic factor affecting agricultural production is?

Arainfall
Bpredator
Chumidity
Dtemperature
View Explanation & Discuss
Question Navigator
Current
MathsFaculty