Agricultural Science past questions: WAEC SSCE 2024
47 objective questions, with answers. Free to read and practise.
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47 questions, one at a time, marked as you go or at the end. No account needed.
- 1.A bacterium that could be found in the part labeled I

- A.Nitrosomonas
- B.Nitrobacter
- C.Azotobacter
- D.Rhizobium
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Answer: D Rhizobium
- 2.A crop that could be grown to serve as shade for a young cocoa plantation is
- A.maize
- B.Cowpea
- C.cassava
- D.banana
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Answer: D banana
- 3.A disadvantage of selection as a method of crop improvement is that it.
- A.ensures picking of crops
- B.requires expertise when carrying it out
- C.increases the spread of diseases
- D.increases the susceptibility of crops to pests
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Answer: D increases the susceptibility of crops to pests
- 4.A farmer produced 25 tonnesTgQPHd| of cocoa. If 16 bagsTgQPHd| of cocoa make one tonne and the total output was sold at ₦350.00 per kilogramTgQPHd| , calculate the cost of one bag of cocoa. (1 tonne = 1,000 kg)
- A.#62.50
- B.#5,600.00
- C.#8,750.000
- D.#21,875.00
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Answer: D #21,875.00
- 5.A major difference between disc harrow and a disc plough is that
- A.disc plough has more discs than disc harrow
- B.discs in disc plough are spaced far apart than in disc harrow
- C.disc plough has two pairs of gangs while disc harrow has one pair of gangs
- D.disc plough has smaller discs than disc harrow
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Answer: C disc plough has two pairs of gangs while disc harrow has one pair of gangs
- 6.A poultry farmer collects 100 trays of eggs per day on the farm. If the market price of a tray of eggs is #900.00, determine the income realized from the sale of eggs in one week
- A.#630,000
- B.#90,000
- C.#90,000
- D.#6,300
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Answer: A #630,000
- 7.A soil sample that contains predominantly mineral matter that are smaller than 0.002mm in size is,The diagram above illustrates a bag of compound fertilizer,use it to answer the questions.

- A.gravel
- B.sand
- C.clay
- D.loam
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Answer: C clay
- 8.Agriculture could be made attractive to young people in West Africa through the.
- A.fabrication of simple farm tools in a locality
- B.provision of basic amenities in rural areas
- C.cultivation of locally available seeds
- D.provision of compost to farmers
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Answer: B provision of basic amenities in rural areas
- 9.An important limitation in the use of sprinkler irrigation system is that
- A.soluble fertilizers and herbicides can not be applied with irrigation water
- B.cannot be used on farmlands with high evapotranspiration rates
- C.requires the use of large volume of water
- D.high wind velocity could prevent uniform distribution of irrigation
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Answer: D high wind velocity could prevent uniform distribution of irrigation
- 10.Breeds of sheep common in west Africa include
- A.Sahel and Kano brown
- B.Ouda and Yankassa
- C.Sokoto Red and Angora
- D.Nubian and Kano Brown
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Answer: B Ouda and Yankassa
- 11.Climatic factors that should be monitored during the management practice illustrated are temperature.

- A.I and II only
- B.I and III only
- C.II and III only
- D.I,I and III
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Answer: B I and III only
- 12.Farm gate price is mostly enjoyed by
- A.wholesalers
- B.producers
- C.consumers
- D.retailers
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Answer: B producers
- 13.Gunter's chain is used for?
- A.determining depth of soil moisture
- B.measuring slope of farmland
- C.measuring distances
- D.restraining bulls
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Answer: B measuring slope of farmland
- 14.If an animal is likely to succumb to the effects of a pathogen,the animal is said to be.
- A.tolerant
- B.resistant
- C.susceptible
- D.immune
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Answer: C susceptible
- 15.In order to check erosion on a sloping land, farmers are advised to make
- A.ridges across the slope
- B.furrows across the contours
- C.ridges along the slope
- D.ditches along water channels
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Answer: A ridges across the slope
- 16.Low relative humidity in livestock pens would
- A.predispose animals to diseases
- B.encourage moldness of feeds
- C.decrease water intake
- D.increase water intake
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Answer: A predispose animals to diseases
- 17.Marginal cost could be described as as the
- A.change in total cost of output
- B.product of average variable cost and the number of fruits produced
- C.increase in fixed cost of that results from increasing production by one unit
- D.average physical product mutiplied by the variable cost
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Answer: A change in total cost of output
- 18.Molasses is a major by-product obtained from the processing of
- A.pineapple
- B.cassava
- C.sugarcane
- D.sorghum
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Answer: C sugarcane
- 19.Natural regeneration of forests may lead to
- A.destruction of existing forest trees
- B.requires expertise when carrying it out
- C.increase the spread of diseases
- D.increases the susceptibility of of crops to pests
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Answer: D increases the susceptibility of of crops to pests
- 20.Pail feeding is commonly practiced in the management of?
- A.pigs
- B.poultry
- C.cattle
- D.rabbits
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Answer: A pigs
- 21.Tenera is a cultivated variety of oil with a
- A.Thin mesocarp, thick endocarp and large kernel
- B.Thick mesocarp,thin endocarp and a moderate sized kernel
- C.Thick mesocarp,absence of endocarp and a small kernel
- D.Thin mesocarp,thin endocarp and a moderate sized kernel
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Answer: B Thick mesocarp,thin endocarp and a moderate sized kernel
- 22.The ash produced after burning crop residues would.
- A.decrease soil acidity
- B.increase soil acidity
- C.decrease soil alkalinity
- D.render the PH unchanged
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Answer: A decrease soil acidity
- 23.The biological process that would be affected in the leaf is
- A.Transpiration
- B.respiration
- C.irritability
- D.photosynthesis
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Answer: D photosynthesis
- 24.The chemical composition of soil is influenced by
- A.pH
- B.structure
- C.parent material
- D.living organisms
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Answer: C parent material
- 25.The correct sequence of land preparation for the cultivation of yam is
- A.clearing-stumping-ploughing-harrowing-ridging
- B.ploughing-clearing-harrowing-ridging-stumping
- C.clearing-harrowing-ridging-stumping-ridging
- D.ploughing-stumping-clearing-ridging-harrowing
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Answer: A clearing-stumping-ploughing-harrowing-ridging
- 26.The diagram above illustrates a management practice in poultry production,use it to answer question 40 to 42. The management practice illustrated in the diagram is?

- A.incubation
- B.hatching
- C.brooding
- D.candling
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Answer: C brooding
- 27.The diagram above illustrates a source of farm A power. An advantage of using the power generated from the illustrated diagram is that it.

- A.could be stored for future use
- B.is easy to control
- C.could be used for all farm operations
- D.is available everywhere
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Answer: D is available everywhere
- 28.The diagram above illustrates a source of form A power. The power generated from the illustrated diagram could be converted to

- A.solar energy
- B.electrical energy
- C.hydro power
- D.animal power
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Answer: B electrical energy
- 29.The diagram above illustrates a storage structure for crops,use it to answer questions 23 to 25 Which of the following crops are best preserved in the illustrated storage structure?

- A.Groundnut pods
- B.yam tubers
- C.maize cobs
- D.cocoa beans
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Answer: C maize cobs
- 30.The diagram above illustrates the damage on a leaf caused by an insect pest of crops. Use it answer questions 32 and 33. The damage to the illustrated leaf is mostly caused by

- A.whitefly
- B.beetle
- C.grassshopper
- D.mealybug
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Answer: B beetle
- 31.The diagram above illustrates the root system of a crop. An example of a crop with the illustrated root system is?

- A.Rice
- B.Tomato
- C.Oil Palm
- D.Soya bean
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Answer: D Soya bean
- 32.The following tools are used in nursery operations except.
- A.secateurs
- B.sickle
- C.shears
- D.dibber
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Answer: B sickle
- 33.The function of a farm manager is to
- A.make agricultural policies for the government
- B.allocate available resources on the farm effectively
- C.execute agricultural extension programmes
- D.stabilize the prices of farm produce
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Answer: B allocate available resources on the farm effectively
- 34.The function of the part labeled I is to

- A.promote adequate ventilation
- B.prevent infestation by insects
- C.protect from excessive rainfall
- D.prevent attack by rodents
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Answer: D prevent attack by rodents
- 35.The illustrated management is usually carried on chicks from day old to
- A.2 weeks
- B.4 weeks
- C.6 weeks
- D.8 weeks
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Answer: C 6 weeks
- 36.The least nutrient in the illustrated bag of fertilizer is

- A.potassium
- B.sulphur
- C.phosphorus
- D.nitrogen
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Answer: C phosphorus
- 37.The meat from a tender calf is
- A.beef
- B.mutton
- C.veal
- D.chevron
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Answer: C veal
- 38.The plant nutrient which is responsible for the green colour of leaves
- A.boron
- B.magnesium
- C.calcium
- D.potassium
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Answer: B magnesium
- 39.Use the information below to answer questions 28 and 29. A farmer produced 25 tonnes of cocoa,if 16 bags of cocoa was later sold at 350.00 per kilogram.(1 tonne = 1,000 kg) Determine the income realized by the farmer.
- A.#140,000
- B.#400,000
- C.#5,600,000
- D.#8,750,000
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Answer: D #8,750,000
- 40.Which of the following agricultural programmes was mainly established to provide agricultural extension services?
- A.Green Revolution
- B.Operation Feed the Nation
- C.River Basin Development Authority
- D.Agricultural Development Project
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Answer: D Agricultural Development Project
- 41.Which of the following changes will cause the demand curve to shift to the right?
- A.A reduction in the size of the population
- B.An increase in the income of the consumer
- C.Availability of the close substitutes
- D.Decrease in the price of goods
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Answer: B An increase in the income of the consumer
- 42.Which of the following characteristics is not associated with monocotyledonous crops
- A.Fibrous root system
- B.Parallel venation of leaf
- C.Leaves are nei-veined
- D.Presence of one-seed leaf
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Answer: C Leaves are nei-veined
- 43.Which of the following environmental conditions would cause spoilage of crops stored in the illustrated structure?

- A.High temperature and low relative humidity
- B.Low temperature and high relative humidity
- C.High rainfall and high wind velocity
- D.Low rainfall and low wind velocity
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Answer: B Low temperature and high relative humidity
- 44.Which of the following fertilizers would not be required by the root system in the diagram above?

- A.Potassium sulphate
- B.Ammonium sulphate
- C.Azotobacter
- D.Rhizobium
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Answer: D Rhizobium
- 45.Which of the following group of diseases of farm animals are caused by bacteria?
- A.Rinderpest,swine fever and trypanosomiasis
- B.Coccidiosis, Newcastle and fowl typhoid
- C.Fowl,pox,mastsis and gumboro
- D.Brucelosis,anthrax and tuberculosis
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Answer: D Brucelosis,anthrax and tuberculosis
- 46.Which of the following is an advantage of pen mating?
- A.spread of a veneral disease
- B.deformed males may not be allowed to mate
- C.cost of keeping a breeding male is low
- D.the tendency of mating females on heat is high
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Answer: C cost of keeping a breeding male is low
- 47.Which of the following land tenure systems allow a farmer to cultivate a piece of land in one growing season, at a fee?
- A.Freehold
- B.Communal
- C.Rent
- D.Leasehold
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Answer: C Rent
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