Agricultural Science past questions: WAEC SSCE 2025

50 objective questions, with answers. Free to read and practise.

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50 questions, one at a time, marked as you go or at the end. No account needed.

1.
price quantity supplied (kg)
24 16 480 400
Calculate the percentage change in price for maize
1. A.8.0%
2. B.66.7%
3. C.50.0%
4. D.33.3%
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Answer: D 33.3%
2.
price quantity supplied (kg)
24 16 480 400
Determine the elasticity of supply for maize
1. A.0.3
2. B.0.5
3. C.0.6
4. D.0.4
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Answer: B 0.5
3.
price quantity supplied (kg)
24 480
16 400
The percentage change in quantity supplied for maize is
1. A.83.3%
2. B.16.7%
3. C.80%
4. D.20%
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Answer: B 16.7%
4.
A farmer practice crop rotation in order to
1. A.reduce yield
2. B.improve soil texture
3. C.improve soil fertility
4. D.increase pest incidence
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Answer: C improve soil fertility
5.
A long term loan for an agricultural enterprise could be obtained from
1. A.commercial bank
2. B.microfinance bank
3. C.money lenders
4. D.cooperative societies
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Answer: A commercial bank
6.
A plot of land devoted to the cultivation of fruit tree is called
1. A.farmstead
2. B.orchard
3. C.forest
4. D.ranch
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Answer: B orchard
7.
a suitable grass lawns is
1. A.Androgon gayanus
2. B.Cynodon dactylon
3. C.Pennisetum purpureum
4. D.Panicum maximum
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Answer: B Cynodon dactylon
8.
A tractor-mounted sprayer used on large-scale farms is the
1. A.knapsack sprayer
2. B.boom sprayer
3. C.electrodyne sprayer
4. D.motorised sprayer
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Answer: B boom sprayer
9.
An advantage of zero-grazing is that it
1. A.prevents livestock from physical exercises
2. B.prevents depletion of pasture
3. C.increase the cost of pasture management
4. D.requires a lot of labour
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Answer: B prevents depletion of pasture
10.
Crops which require the illustrated farm operation are
1. A.okro and pepper
2. B.yam and cowpea
3. C.tomato and yam
4. D.tomato and okro
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Answer: C tomato and yam
11.
Drying of newly harvested grains before storage helps to increase the
1. A.moisture content
2. B.pest incidence
3. C.nutrient content
4. D.seed viability
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Answer: D seed viability
12.
Elaeis guineensis and Arachis hypogaea are examples of
1. A.fibre crops
2. B.oil crops
3. C.fruit crops
4. D.Latex crops
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Answer: B oil crops
13.
Feeds that have more than 18% fibre are classified as
1. A.supplements
2. B.roughages
3. C.addictive
4. D.concentrates
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Answer: B roughages
14.
formation of blisters on the mouth and the skin around the hoof of farm animals is a symptom of
1. A.Newcastle disease
2. B.foot and mouth disease
3. C.anthrax
4. D.Rinderpest
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Answer: B foot and mouth disease
15.
Horse racing and polo are events where horses are used for
1. A.transportation
2. B.recreation
3. C.dowry payment
4. D.wildlife conservation
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Answer: B recreation
16.
If 0.7kg of feed was fed to chicks per week, determine the cost of feeding the birds for 6 weeks . (1kg of feed cost ₦5)
1. A.₦11.70
2. B.₦4.20
3. C.₦30.00
4. D.₦21.00
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Answer: D ₦21.00
17.
In an experiment to determine the percentage of organic matter in a soil sample, The following data was collected : weight of oven-dried soil before burning =50g weight of oven-dried soil after burning = 28g Calculate the weight of organic matter in the soil
1. A.22g
2. B.11g
3. C.44g
4. D.78g
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Answer: A 22g
18.
In an experiment to determine the percentage of organic matter in a soil sample, The following data was collected : weight of oven-dried soil before burning =50g weight of oven-dried soil after burning = 28g Determine the percentage of organic matter in the soil
1. A.60%
2. B.56%
3. C.22%
4. D.44%
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Answer: D 44%
19.
In planning a farmstead, the structure which should be located on high elevation is the
1. A.fish pond
2. B.farmhouse
3. C.processing shed
4. D.pigsty
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Answer: B farmhouse
20.
Microorganism that decompose organic matter will function best under
1. A.optimum soil pH
2. B.low soil temperature
3. C.anaerobic soil condition
4. D.waterlogged soil condition
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Answer: A optimum soil pH
21.
Okro seeds are shown on 0.72 hectares of farmland at a spacing of 60cm by 60cm. Calculate the expected lant population.
1. A.3,600 plants
2. B.20,000 plants
3. C.7,200 plants
4. D.10,000 plants
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Answer: B 20,000 plants
22.
production, tapeworm could be controlled by
1. A.dusting
2. B.dipping
3. C.spraying
4. D.drenching
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Answer: D drenching
23.
propagation of ginger is generally done using its
1. A.rhizome
2. B.seed
3. C.sucker
4. D.corm
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Answer: A rhizome
24.
The basic importance of agriculture to a forester
1. A.obtain honey
2. B.obtain food
3. C.acquire labour
4. D.procure timber
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Answer: D procure timber
25.
The best way for a young animal to obtain colostrum is by
1. A.providing it with warm milk
2. B.giving its powdered milk
3. C.allowing it to suckle the dam
4. D.injecting it with progesterone
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Answer: C allowing it to suckle the dam
26.
The botanical name of onion is
1. A.Allium cepa
2. B.Carica papaya
3. C.Oryza sativa
4. D.Zea mays
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Answer: A Allium cepa
27.
The branch of crop science which deals with the study of insect pest is ?
1. A.entomology
2. B.pathology
3. C.zoology
4. D.agronomy
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Answer: A entomology
28.
The breeds of cattle resistant to trypanosomiasis are
1. A.Wadara and sokoto Gudali
2. B.white fulani and Biu
3. C.N'dama and Muturu
4. D.Red Bororo and Adamawa
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Answer: C N'dama and Muturu
29.
The causative organism of maize rust is a
1. A.protozoon
2. B.bacterium
3. C.fungus
4. D.virus
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Answer: C fungus
30.
The construction rural feeder roads solves the following access problems in agriculture except
1. A.marketing
2. B.land tenure system
3. C.transportation
4. D.extension service
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Answer: B land tenure system
31.
The farm implement that could perform a similar function as the illustrated tool is
1. A.ridger
2. B.cultivator
3. C.harrow
4. D.plough
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Answer: A ridger
32.
The following factors are essential for maize production except
1. A.relative humility
2. B.high temperature
3. C.adequate rainfall
4. D.low temperature
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Answer: B high temperature
33.
The illustrated farm tool is used for
1. A.making mounds
2. B.transplanting seedlings
3. C.pruning hedges
4. D.cutting trees
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Answer: A making mounds
34.
The illustrated tool is
1. A.an electric dehoner
2. B.an elastrator
3. C.an artifical vargina
4. D.a burdizzo
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Answer: C an artifical vargina
35.
The illustrated tool is used for
1. A.identifying the animal
2. B.cutting the horns of the animal
3. C.castrating the bull calf
4. D.collecting semen from the bull
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Answer: D collecting semen from the bull
36.
The major source of water to the plants in the diagrams is
1. A.surface water
2. B.capillary water
3. C.hygroscopic water
4. D.gravitational water
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Answer: B capillary water
37.
The new formed when limestone is subjected to great heat and pressure is
1. A.slate
2. B.graphite
3. C.marble
4. D.gneiss
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Answer: C marble
38.
The phosphorus cycle is described as being sedimentary because phosphorus
1. A.is solid at room temperature
2. B.occurs in the atmosphere
3. C.is an earth bound element
4. D.is a macro element
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Answer: C is an earth bound element
39.
The process labelled I is
1. A.absorption
2. B.respiration
3. C.evaporation
4. D.transpiration
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Answer: D transpiration
40.
The process labelled II is
1. A.evaporation
2. B.transpiration
3. C.respiration
4. D.condensation
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Answer: A evaporation
41.
Two species of kola grown for commercial purposes in West africa are
1. A.Cola nitida and Cola verticillata
2. B.Cola verticillata and cola gigantea
3. C.Cola nitida and Cola acuminata
4. D.Cola acuminata and Cola gigantea
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Answer: C Cola nitida and Cola acuminata
42.
Which of the following feature is not a characteristic of a good layer ?
1. A.Bright red comb and wattle
2. B.Broad and flexible pelvic bone
3. C.Bright and bulging eyes
4. D.Long and curve beak
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Answer: D Long and curve beak
43.
which of the following groups of insect pests damage crops by biting and chewing ?
1. A.cricket, mealybug and whitefly
2. B.cotton stainer, mealybug and termite
3. C.cotton stainer, armyworm and cricket
4. D.Armyworm, termite and grasshopper
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Answer: D Armyworm, termite and grasshopper
44.
Which of the following pairs of raw materials used in the canning industry ?
1. A.meat and fish
2. B.pulpwood and cocoa
3. C.cotton and tea
4. D.Hide and skin
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Answer: A meat and fish
45.
Which of the following practices will improve clay soil ?
1. A.use of acid-forming fertilizers
2. B.addition of organic material
3. C.bush burning
4. D.addition of sodium chloride
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Answer: B addition of organic material
46.
Which of the following problems of agriculture could be solved through farmers' adoption of research findings?
1. A.unpredictable climate
2. B.insufficient basic amenities
3. C.Environmental degradation
4. D.poor extension service
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Answer: D poor extension service
47.
Which of the following statement about slatted floors in livestock housing are True? They I. Lessen labour requirement II. reduce odour in pens III. Hamper movement of animals
1. A.I and III only
2. B.I,II and III only
3. C.II and III only
4. D.I and II only
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Answer: D I and II only
48.
Which of the following statement is not a reason for carrying out the illustrated farm operation ? To
1. A.Improve the yield of the crops
2. B.expose the leaves to sunlight
3. C.prevent damage by rodents
4. D.prevent lodging of the plants
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Answer: C prevent damage by rodents
49.
Which of the following types of farm power does not cause pollution
1. A.chemical
2. B.Electrical
3. C.Mechanical
4. D.Hydro
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Answer: B Electrical
50.
Yams stored in a barn should be inspected at least once a week in order to ?
1. A.remove sprouts and rotten tubers
2. B.prevent mouldiness in yam
3. C.remove irregular shaped tubers
4. D.control termite attack
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Answer: A remove sprouts and rotten tubers

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price	quantity supplied (kg)
24 16	480 400

price	quantity supplied (kg)
24 16	480 400

price	quantity supplied (kg)
24	480
16	400