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
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Past Questions

2,683 questions
Question 1 of 20 2,683 total questions
Question 321
waec 2020

The following crops are fiber crops except?

Acotton
Bonion
Cjute
Dsisal
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Question 322
waec 2020

The yield of cocoa trees is not influenced by?

Apest infestation
Bfertiliser application
Cmethod of harvesting
Dmethod of soil tillage
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Question 323
waec 2020

Which of the following diseases of tomato is caused by nematode?

Afusarium wilt
Broot knot
Cleaf spot
Dleaf curl
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Question 324
waec 2020

A crop that can be propagated by stem cutting is?

Aplaintain
Bpepper
Ccassava
Dcarrot
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Question 325
waec 2020

An important reason for staking yam is to?

Aexpose the leaves to sunlight
Bprevent water logging on the farm
Cenhance the formation of leaves
Dexpose the flowers to pollination
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Question 326
waec 2020

Which of the following statements about threshing of rice are true?

I.Rice grains are separated from the panicle
II.Breakage of some grains could occur
III.The grains are polished

AI and II Only
BI and III Only
CII and III Only
DI, II and III
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Question 327
waec 2020

If the yield of cowpea is 750kg per hectare, calculate the yield of cowpea from a 20 hectare farm.

A7,500kg
B15,000kg
C22,500kg
D37,500kg
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Question 328
waec 2020

Crops which grow and mature within few weeks of their cultivation are called?

Aannual crops
Bephemeral crops
Cperennial crops
Dbiennial crops
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Question 329
waec 2020

Which of the following crops is dicotyledonous?

AZea mays
BOryza sativa
CElaeis guineensis
Dvigna unguiculata
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Question 330
waec 2020

Which of the following methods of irrigation is most efficient in terms of water conservation?

Aflood irrigation
Bfurrow irrigation
Cborder irrigation
Ddrip irrigation
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Question 331
waec 2020

Determine the ratio of nutrients in NPK 5-10-15.

A1:2:2
B1:2:3
C1:3:1
D2:1:3
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Question 332
waec 2020

The following bacteria are important in the nitrogen cycle except?

Abacillus
Bnitrobacter
Cnitrosomonas
Drhizobium
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Question 333
waec 2020

Which of the following crops can conveniently replace maize in the table?

Acassava
Bcashew
Cmango
Dmillet
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Question 334
waec 2020

The cropping system illustrated in the table is?

Amixed cropping
Bcrop rotation
Cshifting cultivation
Dland rotation
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Question 335
waec 2020

The structure of sandy soils can be described as?

Aplaty
Bcrumby
Csingle-grained
Dbloc
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Question 336
waec 2020

The deficiency of nitrogen in a maize plant can be corrected by applying?

Apotassium chloride
Bmuriate of potash
Csulphate of ammonia
Dcalcium carbonate
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Question 337
waec 2020

An oven dried soil sample of mass 8g had a mass of 1.6g after it was completely burnt. Determine the percentage of humus in the soil sample.

A6.4%
B9.6%
C20%
D80%
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Question 338
waec 2020

Water which rises above the water table in the soil and is held in fine medium pores between soil particles by surface tension is?

Ahygroscopic water
Bgravitational water
Ccapillary water
Dpercolating water
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Question 339
waec 2020

Igneous rocks can easily be identified through their?

Aglassy apperance
Bcoarse texture
Cstratified layers
Dfossil contents
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Question 340
waec 2020

Which factor of production has the following characteristics?

I.Free gift of nature
II.Limited in supply
III.Immobile

Aland
Blabour
Ccapital
Dentrepreneur
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