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
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Question 271
jamb 2015
The forest management system which involves the planting of both food crops and forest trees on the same piece of land at the same time is known as
ASelective exploitation
BTaungya
CSlips
Dcuttings
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Question 272
jamb 2015
If T represents the gene for tallness while t represents dwarfness

The genotypic ratio of the second filial generation will be
A3 : 1
B1 : 2 : 1
C2 : 2
D4 : 0
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Question 273
jamb 2015
Poaching is prohibited in game reserves to
Areduce wildlife population
Bconserve wildlife
Cstarve hunters
Dprotect hunters from wild animals.
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Question 274
jamb 2015
Which of the following groups of rocks is formed as a result of volcanic eruption?
ALimestone, basalt and shale
BBasalt, granite and pumice
CSandstone, granite and quartzite
DMarble, gneiss and shale.
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Question 275
jamb 2015
The following are advantages of sub-surface irrigation except that
Ait is suitable for soils with low water holding capacity
Bit can be used only for specific types of crops
Cthe rate of evaporation is greatly reduced
Dit reduces the incidence of pests
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Question 276
jamb 2015
Crop rotation decreases the incidence of pests by
Abreaking life cycles of pests
Battracting pest predators
CSterilizing the soil
Dmaintaining soil fertility.
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Question 277
jamb 2015
Tomatoes are staked in order to
Aaccelerate their growth
Binduce flowering
Caccelerate fruit ripening
Dprevents rotting of fruits
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Question 278
jamb 2015
In crop production, ginger is propagated by
Aseeds
Bbulbs
Crhizome
Dcorn
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Question 279
jamb 2015
The instrument which enables a surveyor to find the direction of a base line is
AAbney level
Branging pole
Cplumb bob
Dmagnetic compass
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Question 280
jamb 2015
The following crops will enrich the soil with nitrates except
ACalopogonium
Bpueraria
Ccentrosema
DAxonopus
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Question 281
jamb 2015
Yellow colouration of the lower leaves of a growing maize plant may be due to deficiency in
Apotassium
Bphosphorus
Czinc
Dnitrogen
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Question 282
jamb 2015
Which of the following statements is correct about micro-nutrients? They
APromote formation of only root nodules
Bare required by plants in very small quantities
Care fixed into the soil through microbial activity
Dincrease crop tolerance to pest attack.
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Question 283
jamb 2015
The weight of a sheep increased from 25kg to 45kg in two months.

If the total consumption during the period was 60kg. Determine the feed conversion ratio
A1 : 1
B1 : 2
C3 : 1
D4 : 1
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Question 284
jamb 2015
Soil water that is available for root absorption at field capacity is
ACapillary water
Bhygroscopic water
CGravitational water
Dsuperfluous water.
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Question 285
jamb 2015
Which of the following insects transmits swollen shoot disease of cocoa?
Asteam borer
BMealybug
Cwhite fly
Dscale insect
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Question 286
jamb 2015
Which of the following crops has a fibrous root system?
Acotton
Bcoffee
Ccowpea
Dsugarcane
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Question 287
jamb 2015
In animal production, newly-born rabbits are called
ABunnies
BKids
CPouts
DLambs
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Question 288
jamb 2015
Agriculture contributes to the economy of West African countries through the following means except
AReduction of poverty through job creation
BSupply of armament for territorial defence
CProvision of foreign exchange
Dsupply of raw materials to industries
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Question 289
jamb 2015
Close to the time of harvesting of cotton, sunshine is needed to ensure the production of bolls that are
Abig
BBright
Cnot mouldy
Dnot open
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Question 290
jamb 2015
Which of the following factors does not influence the distribution of cattle in West Africa?
APastures
BLight
CDiseases
DRainfall
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