WAEC Agricultural Science Past Questions 2024 [OBJECTIVE]
The WAEC Agricultural Science Past Questions is now available for students who are preparing to write their West African Examination Council exam.
One of the purpose of past questions is to help you know what you have covered or test your knowledge and see if your fully prepared for your examination.
WAEC Agricultural Science Past Questions
Below are all the questions;
- A. early in the morning and late in the evening
- B. at midday and at dusk
- C. early in the morning and at midday
- D. late in the morning and late in the evening
- A. 25 ml
- B. 175 ml
- C. 50 ml
- D. 150 ml
- A. tomato
- B. groundnut
- C. pepper
- D. rice
The diagram above illustrates a reproductive process in a farm animal. Study it and answer the question.
The reproductive process illustrated by the diagram is
- A. lactation
- A. gestation
- C. ovulation
- D. heat
The diagram above illustrates a reproductive process in a farm animal. Study it and answer the question.
The parts which protect the foetus from mechanical injury are labelled
- A. I and III
- B. I and II
- C. III and IV
- D. II and III
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The diagram below illustrates a reproductive process in a farm animal. Study it and answer the question.
The foetus obtains dissolved oxygen and nutrients from the dam through the parts labelled
- A. I and II
- B. II and III
- C. I and III
- D. III and IV
- A. farm owner
- B. farm labour
- C. farm assistant
- D. farmer’s family
- A. Nitrobacter
- A. Rhizobium
- B. Nitrosomonas
- C. Azotobacter
| Cost Price (N) | Useful Life (Life) | Salvage value (N) | Annual depreciation (N) | Total depreciation |
| 20000 | Y | 5000 | 1000 annum | 15000 |
| 60000 | 10 | 18000 | 4200 annum | Z |
The useful life represented by Y in the illustrated table is
- A. 3 years
- B. 4 years
- C. 15 years
- D. 20 years
| Cost Price (N) | Useful life (Years) | Salvage value (N) | Annual depreciation (N) | Total depreciation |
| 20000 | Y | 5000 | 1000 annum | 15000 |
| 60000 | 10 | 18000 | 4200 annum | Z |
The total depreciation represented by Z in the illustrated table is
- A. N 42,000
- B. N78,000
- C. N 22,200
- D. N 55,800
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- A. reduced feed intake
- B. production of dry litter
- C. build up of pests and diseases
- D. heat stress
- A. Centrosema pubescens and Mucuna utilis
- B. Moringa oleifera and Imperata cylindrica
- C. Panicum maximum and Pennisetum purpureum
- D. Calopogonium mucunoides and Gliricidia sepium
I. pH meter
II. Sieve
III. Hygrometer
- A. I and II
- A. I and III
- C. I, II and III
- D. II and III
- A. roguing
- B. thinning
- C. weeding
- D. pruning
- A. cotton
- B. pepper
- C. okro
- D. onion
- A. daylength being longer than the length of night
- B. extremely low temperature
- C. amount of sunlight received by flowering plants
- D. extremely high temperature
- A. increasing the cost of acquiring farmland
- B. employing more extension agents for farmers
- C. increasing the size of farmland for cultivation
- D. establishing agro-based industries in villages
The diagrams below illustrate different sources of farm power. Study them and answer the question.
Which of the illustrated sources of farm power is the cheapest
- A. II
- B. III
- C. IV
- D. I
The diagrams below illustrate different sources of farm power. Study them and answer the question.
The machinery illustrated in diagram III could be used to power
I. planters
II. dryers
III. sprayers
- A. II and III only
- B. I and III only
- C. I and II only
- D. I, II and III
The diagrams below illustrate different sources of farm power. Study them and answer the question.
Which of the illustrated sources of farm power decrease in efficiency due to constant use?
- A. II and III only
- B. I and III only
- C. I and II only
- D. I, II and III
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I. roguing
II. stumping
III. mulching
- A. I and II only
- B. I, II and III
- C. I and III only.
- D. II and III only
- A. serve as forest reserve for wildlife conservation
- B. serve as windbreak to check desert encroachment
- C. increase timber production for export
- D. provide shade for crops sin taungya farming
- A. pastoral farming
- B. mixed cropping
- C. continuous cropping
- D. mixed farming
- A. Plup
- B. Fuelwood
- C. Timber
- D. Mushroom
- A. bird
- B. grasshopper
- C. lizard
- D. tick
- A. provide marketing channels for farmers
- B. assist farmers in locating sources of farm inputs
- C. procure agricultural loans for farmers
- D. provide modern machines to farmers
- A. crib
- B. rhombus
- C. bin
- D. silo
- A. parallel-veined leaves
- B. woody stems and branches
- C. taproot system
- D. net-veined leaves
- A. pregnant animals
- B. weaned young animals
- C. breeding female animals
- D. lactating animals
I. Vegetable production
II. Beekeeping
III. Poultry production
- A. I and III only
- B. I, II and III
- C. I and II only
- D. II and III only
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- A. four
- B. two
- C. six
- D. eight
- A. furrow wheel
- B. standard
- C. scraper
- D. beam
- A. maintains produce quality
- B. prolongs storability
- C. facilitates pricing
- D. facilitates transportation
- A. Ditches are constructed to remove excess water
- B. Ditches are dug from a source of water to the farmland
- C. Furrows are constructed to direct water out of the farmland
- D. Water seeps into tiles to reach an outlet where it is discharged
- A. Coccidiosis and rinderpest
- B. Newcastle disease and aspergillosis
- C. Anthrax and tuberculosis
- D. Gumboro and brucellosis
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- A. paddy rice
- B. oil palm
- C. cotton
- D. cocoa
- A. 125 kg
- B. 50 kg
- C. 250 kg
- D. 1,250 kg
- A. replenishes oxygen in the atmosphere
- B. increases the organic matter of soil
- C. encourages the regeneration of grasses
- D. increases the population of soil microorganisms
The diagram above illustrates a farm operation. Study it and answer the question
The illustrated farm operation is known as
- A. winnowing
- B. milling
- C. shelling
- D. threshing
The diagram above illustrates a farm operation. Study it and answer the question
Examples of crops which require the illustrated farm operation are
- A. cowpea, millet and okro
- B. maize, pepper and tomato
- C. rice, groundnut and millet
- D. pepper, rice and cowpea
- A. provide fodder for livestock
- B. beautify the environment
- C. serve as mulching materials
- D. serve as raw materials
The diagram above illustrates a method of compost making. Study it and answer the question.
The method of compost milking illustrated in the diagram is
- A. heap
- B. bin
- C. sheet
- D. pit
The diagram above illustrates a method of compost making. Study it and answer the question.
The part labelled I is used for
- A. checking the decomposition rate
- B. hastening the fermentation rate
- C. turning the compost materials
- D. stacking the compost materials
The diagram above illustrates a method of compost making. Study it and answer the question.
A material that could be used as starter in the method of compost making illustrated is
- A. Ash
- B. Straw
- C. Blood
- D. Urine
- A. proportion of different sizes of soil particles
- B. degree of water percolation within the soil
- C. degree of soil aeration within the soil
- D. arrangement of soil particles into aggregates
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- A. Rubber
- B. Cotton seed
- C. Yam
- D. Soya bean
What is the percentage of birds that did not lay eggs?
- A. 16%
- B. 84%
- C. 19%
- D. 46%
- A. 240
- B. 526
- C. 286
- D. 392
- A. June 2
- B. September 30
- C. August 24
- D. October 2
- A. 10:10:10
- B. 20:10:10
- C. 10:10:20
- D. 20:20:10
Frequently Asked Questions
What are the best times to transplant seedlings in the field?
Seedlings are best transplanted early in the morning and late in the evening. This helps to reduce the stress on the plants and allows them to establish better in their new environment.
What reproductive process in farm animals involves protecting the fetus from mechanical injury?
The parts that protect the fetus from mechanical injury are labeled in a diagram showing gestation.
What crop is a combine harvester primarily used for harvesting?
A combine harvester is mainly used for harvesting rice.
Conclusion
WAEC Agricultural Science past questions are an invaluable resource for students preparing for their exams. These questions provide insights into the types of questions commonly asked, the format of the exams, and key topics that are frequently covered.
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