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 161
waec 2019

A planting material used in propagating plaintain is the?

Acrown
Bpeeper
Cslip
Dleaf
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Question 162
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
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Question 163
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
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Question 164
waec 2019

Corns, rhizomes and tubers are examples of?

Aunderground roots
Bunderground stems
Caerial stems
Dmodified leaves
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Question 165
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
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Question 166
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
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Question 167
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
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Question 168
waec 2019

Liquid fertilizers and pesticides could be applied through?

Afurrow irrigation
Bchannel irrigation
Csprinkler irrigation
Dflood irrigation
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Question 169
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
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Question 170
waec 2019

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

Acalcium
Bboron
Csodium
Dmagnesium
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Question 171
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%
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Question 172
waec 2019

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

Asedimentary rock
Bigneous rock
Cmetamorphic rock
Dplutonic rock
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Question 173
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
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Question 174
waec 2019

A biotic factor affecting agricultural production is?

Arainfall
Bpredator
Chumidity
Dtemperature
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Question 175
waec 2019

A socio-cultural factor affecting land availability is?

Asoil type
Breligion
Ctopography
Dmining
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Question 176
waec 2019

Which of the following statement about land is not correct?

Aits supply is limited
Bit is used for agricultural production
Cit is subject for depreciation
Dit can be relocated
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Question 177
waec 2019

The practice of measuring and mapping out the size, position and boundary of a farmland is called farm?

Alayout
Bbusiness
Csurveying
Dtillage
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Question 178
waec 2019

Calculate in hectares the area of a rectangular farmland with dimensions 50m by 25m?

A125ha
B12.5ha
C1.25ha
D0.125ha
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Question 179
waec 2019

A disadvantage of farm mechanization?

Aefficiency in farming
Bdisplacement of farm workers
Creduction in health hazards
Dtimeliness of farm operations
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Question 180
waec 2019

Study and answer this question below

 

A periodic maintenance activity carried out on the illustrated farm machinery is?

Achecking the radiator water
Bchecking for tyre pressure
Cchanging engine oil
Dcleaning after use
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