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.

628 questions JAMB 628 WAEC 2054 CUSTOM 1
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Past Questions

628 questions
Question 1 of 20 628 total questions
Question 151
jamb 2021

Gummosis disease of citrus is caused by

Aaphids
Bfungi
Cwhite flies
Dbacteria
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Question 152
jamb 2021

Callosobruchus maculates is a common pest of

Amaize
Bcowpea
Crice
Dmillet
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Question 153
jamb 2021

Root-knot disease of tomato is caused by

Avirus
Bnematode
Cbacterium
Dfungus
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Question 154
jamb 2021

The tree species commonly planted for pulp wood is

AGmelina
BCassia
CAlibiza
DTectona
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Question 155
jamb 2021

Which of the following is not a problem of forest management?

Aabsence of adequate information on the ecosystem
Binadequate support from government for the development of forest resources
Cplanting different varieties of timber
Dindiscriminate destruction of forest resources by bush fire
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Question 156
jamb 2021

Which of the following is not correct about Stylosanthers gracilis?

AIt is an animal legume
BIt is propagated by seeds
CIt is drought resistant
DIt produces nodules
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Question 157
jamb 2021

Ginger is propagated by

Asuckers
Brhizomes
Cseeds
Dtuber
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Question 158
jamb 2021

Ginning is a method of processing

Acocoa
Bcotton
Coil palm
Dpalm kernel oil
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Question 159
jamb 2021

The following are necessary operations in maize cultivation except?

Aweeding
Bthinning
Cnursery practices
Dfertilizer application
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Question 160
jamb 2021

The main aim of mechanized agriculture is

Areducing maturation time for crops
Bdecreasing number of pests
Chaving a large land area for cultivation
Dreducing cost of production
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Question 161
jamb 2021

Which of the following farm practices is not mechanized?

Aplanting
Bfertilizer application
Cbush clearing
Dtransplanting
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Question 162
jamb 2021

Which of the following surveying equipment is used for measuring angles during farm surveying?

ATheodolite
BMeasuring tape
CGunter's chain
DAbney level
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Question 163
jamb 2021

Which of the following is the correct order for land preparation?

Aland clearing → ploughing → harrowing → ridging
Bland clearing → harrowing → ploughing → ridging
Cland clearing → ploughing → ridging → harrowing
Dland clearing → harrowing → ridging → ploughing
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Question 164
jamb 2021

An important farm machine used for coupling many implements is

Adisc harrow
Bharvester
Ctractor
Dplough
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Question 165
jamb 2021

The most suitable source of power for stationary equipment on the farm is

Amachinery
Belectricity
Canimal
Dman
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Question 166
jamb 2021

The main source of power for subsistence agriculture is

Aanimal
Bmachine
Celectricity
Dman
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Question 167
jamb 2021

The method of irrigation suitable for use on a steep slope is

Asprinkler irrigation
Bflood
Cfurrow irrigation
Dshadoof
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Question 168
jamb 2021

The effects of practicing crop rotation include the following except

Amaintaining and improving soil fertility
Bcontrolling soil erosion
Cadding humus to the soil
Dpreventing the build-up of pests and diseases
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Question 169
jamb 2021

Fertile soil is one which

Awhich easily drained
Bis well aerated
Ccan produce a good harvest of cowpea
Dcontain all essential plant nutrients in suitable proportion
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Question 170
jamb 2021

If urea fertilizer contains 46% nitrogen, calculate the amount of nitrogen in 25kg bag of fertilizer?

A11.5kg
B13.5kg
C21.5kg
D26.5kg
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