Post UTME Agricultural Science Past Questions and Answers

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This material contains a compiled list of Post UTME Agricultural Science past questions and answers, arranged to give candidates direct access to exam-style practice. It consists of 100 objective questions with answers and 10 theory questions with detailed answers, presented in a clear format to enhance effective preparation for the examination.

POST-UTME AGRICULTURAL SCIENCE PAST QUESTIONS (1–50)

  1. The science of soil management and crop production is called A. Agronomy B. Horticulture C. Forestry D. Animal husbandry
    Answer: A
  2. Which of the following farm tools is used for transplanting seedlings? A. Dibber B. Hoe C. Cutlass D. Spade
    Answer: A
  3. The primary source of nitrogen in the soil is A. Organic matter B. Water C. Air D. Sunshine
    Answer: A
  4. The branch of agriculture concerned with the study of fish is A. Apiculture B. Aquaculture C. Sericulture D. Horticulture
    Answer: B
  5. The practice of growing crops and rearing animals together on the same piece of land is called A. Monocropping B. Mixed farming C. Crop rotation D. Taungya system
    Answer: B
  6. Which of the following is an example of a ruminant animal? A. Pig B. Rabbit C. Goat D. Chicken
    Answer: C
  7. The most suitable soil type for crop production is A. Clay B. Loam C. Sand D. Gravel
    Answer: B
  8. The instrument used to measure relative humidity is A. Rain gauge B. Hygrometer C. Barometer D. Thermometer
    Answer: B
  9. Which of the following nutrients promotes root development in plants? A. Nitrogen B. Potassium C. Phosphorus D. Calcium
    Answer: C
  10. A plant that completes its life cycle in one year is called A. Perennial B. Annual C. Biennial D. Ephemeral
    Answer: B

11 to 50 for Post UTME Agricultural Science

  1. Which of the following is a symptom of nitrogen deficiency in plants? A. Yellowing of leaves B. Stunted root growth C. Poor fruit setting D. Wilting
    Answer: A
  2. The agricultural practice of growing one crop on the same piece of land year after year is called A. Crop rotation B. Monocropping C. Mixed cropping D. Multiple cropping
    Answer: B
  3. Which farm animal is a monogastric? A. Cow B. Sheep C. Pig D. Goat
    Answer: C
  4. The conversion of grass into silage is done through A. Fermentation B. Drying C. Irrigation D. Fumigation
    Answer: A
  5. The most important factor influencing the distribution of vegetation is A. Soil type B. Climate C. Altitude D. Slope
    Answer: B
  6. The process by which soil particles are carried away by wind or water is called A. Leaching B. Mulching C. Erosion D. Sedimentation
    Answer: C
  7. The practice of cutting and burning vegetation before cultivation is called A. Taungya system B. Shifting cultivation C. Mixed farming D. Crop rotation
    Answer: B
  8. The process of removing weeds mechanically is called A. Spraying B. Hoeing C. Irrigation D. Fertilization
    Answer: B
  9. The gestation period of a cow is about A. 114 days B. 283 days C. 150 days D. 310 days
    Answer: B
  10. In poultry, debeaking is done mainly to A. Increase egg production B. Prevent cannibalism C. Improve feed intake D. Reduce mortality
    Answer: B
  11. The type of irrigation in which water is supplied to crops through pipes is called A. Surface irrigation B. Drip irrigation C. Furrow irrigation D. Basin irrigation
    Answer: B
  12. The agricultural practice of planting trees to protect crops from strong winds is called A. Alley cropping B. Shelterbelts C. Contour farming D. Agroforestry
    Answer: B
  13. The commonest method of applying fertilizers to row crops is A. Broadcasting B. Ringing C. Side dressing D. Top dressing
    Answer: C
  14. A major symptom of phosphorus deficiency in plants is A. Purple leaves B. Yellow leaves C. Drooping stems D. Stunted growth
    Answer: A
  15. The process of adding organic matter to soil is called A. Mulching B. Composting C. Irrigation D. Ridging
    Answer: B
  16. Which of the following diseases affects poultry? A. Rinderpest B. Newcastle disease C. Anthrax D. Foot rot
    Answer: B
  17. The agricultural system that conserves the environment while producing crops is A. Sustainable agriculture B. Mechanized farming C. Shifting cultivation D. Plantation farming
    Answer: A
  18. A soil with high water-holding capacity but poor drainage is likely to be A. Loamy B. Sandy C. Clayey D. Silty
    Answer: C
  19. The method of breeding where unrelated animals are mated is called A. Inbreeding B. Crossbreeding C. Line breeding D. Selfing
    Answer: B
  20. The instrument used for measuring wind speed is A. Hygrometer B. Anemometer C. Barometer D. Rain gauge
    Answer: B
  21. The type of crop grown mainly for its edible seeds is called A. Tuber crop B. Legume C. Cereal D. Vegetable
    Answer: C
  22. The process by which water changes from liquid to vapour is called A. Transpiration B. Condensation C. Evaporation D. Precipitation
    Answer: C
  23. The agricultural practice of alternating crops on a piece of land to maintain soil fertility is called A. Crop rotation B. Mixed cropping C. Monocropping D. Fallowing
    Answer: A
  24. A farm record that shows daily activities on the farm is called A. Inventory B. Farm diary C. Production record D. Cashbook
    Answer: B
  25. Which of the following is not a function of roots? A. Anchorage B. Absorption of water C. Food production D. Storage of food
    Answer: C
  26. The process of removing male parts of a flower to prevent self-pollination is called A. Pruning B. Thinning C. Emasculation D. Budding
    Answer: C
  27. The mineral element responsible for strong stem development is A. Nitrogen B. Potassium C. Magnesium D. Sulphur
    Answer: B
  28. Which of the following animals is not ruminant? A. Sheep B. Goat C. Pig D. Cattle
    Answer: C
  29. The layer of soil that contains the highest amount of humus is the A. Topsoil B. Subsoil C. Bedrock D. Hardpan
    Answer: A
  30. The agricultural practice of growing crops without soil is called A. Organic farming B. Hydroponics C. Mixed farming D. Irrigation farming
    Answer: B
  31. Which of the following is a leguminous crop? A. Cowpea B. Maize C. Rice D. Sorghum
    Answer: A
  32. The tool used for measuring soil temperature is A. Soil thermometer B. Rain gauge C. Hygrometer D. Barometer
    Answer: A
  33. The part of the digestive system where most absorption of nutrients takes place in ruminants is A. Rumen B. Small intestine C. Large intestine D. Omasum
    Answer: B
  34. The type of pest that transmits diseases to plants is called A. Defoliator B. Vector C. Stem borer D. Grazer
    Answer: B
  35. Which of the following is a tuber crop? A. Millet B. Cassava C. Groundnut D. Wheat
    Answer: B
  36. The agricultural system where crops are grown on large areas for commercial purposes is A. Plantation farming B. Mixed farming C. Crop rotation D. Fallowing
    Answer: A
  37. A soil with equal proportions of sand, silt, and clay is called A. Loam B. Clay C. Sandy soil D. Peat soil
    Answer: A
  38. The process of supplying water to crops artificially is called A. Drainage B. Irrigation C. Infiltration D. Percolation
    Answer: B
  39. The type of erosion that removes a uniform layer of soil from the surface is A. Sheet erosion B. Rill erosion C. Gully erosion D. Splash erosion
    Answer: A
  40. The method of preserving meat by removing moisture is called A. Canning B. Smoking C. Salting D. Drying
    Answer: D
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