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NECO Agricultural Science (OBJ & Essay) Questions and Answers 2026

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Exam Type NECO
Exam Year 2026
PIN 201
NECO Agricultural Science (OBJ & Essay) Questions and Answers 2026

NECO Agricultural Science OBJ

AGRIC OBJ (ZAMFARA STATE)

  1. B. tillage
  2. D. extension workers
  3. A. Maize
  4. A. budding
  5. B. medium
  6. C. Cyperus rotundus
  7. A. Harvesting trees
  8. D. bladder
  9. A. gestation
  10. C. tap-root
  11. B. ewe
  12. E. budding
  13. C. marking
  14. A. photosynthesis
  15. B. scarification of seeds
  16. B. Heating and cooling of parent rocks
  17. E. Land tenure
  18. A. is renewable in nature
  19. C. Drip
  20. A. insect pest infestation
  21. C. Cowpea
  22. D. fertility
  23. E. adoption of hygienic practices
  24. D. large crop plants if not properly supervised
  25. C. marcotting
  26. D. use of electro-fishing method
  27. E. brucellosis
  28. A. produce offspring that can withstand unfavourable weather
  29. A. increase production of food
  30. B. rural-urban migration
  31. E. mealybug
  32. B. separate grains from the stalk
  33. A. consumers will buy more yams willingly
  34. D. tractors
  35. B. castration
  36. A. Foot and mouth
  37. C. Overgrazing
  38. B. provide a queen
  39. D. Rodenticides
  40. B. calcium sulphate
  41. C. tenancy
  42. D. soil sample has large pore spaces
  43. B. organic matter content is high
  44. B. farm offices on high elevation
  45. E. 1,250
  46. A. Continuous cropping
  47. D. Cultivation of crops in rows
  48. A. seeds have two seed leaves
  49. E. organise annual farmers festival and shows
  50. A. ₦700
  51. A. requires less take-off capital
  52. B. spraying of Bordeaux mixture
  53. A. Reseeding
  54. D. works with existing community organisation and local leaders
  55. B. Farmers may be stimulated to produce more
  56. D. act as wind breaks
  57. C. regulate mesh size
  58. B. 4
  59. D. tick
  60. A. Newcastle

AGRIC OBJ (FCT ABUJA)

  1. D. harvesting cereals
  2. E. manage his farm judiciously
  3. A. hutch
  4. C. pruning
  5. A. calcium and phosphorus
  6. C. abomasum
  7. A. 1.0 m × 1.0 m
  8. D. leaf
  9. A. castrated pig
  10. D. Ipomoea batatas
  11. E. 3–6 years
  12. E. readiness of farmers to adopt research innovations
  13. D. rainfall
  14. E. mastitis
  15. E. becomes fragmented over time
  16. C. consumers will buy more yams willingly
  17. C. prevent environmental degradation
  18. E. Panama
  19. B. Calopogonium mucunoides
  20. C. mealybug
  21. A. Sprinkler
  22. C. Ndama
  23. E. damage crop plants if not properly supervised
  24. D. pig
  25. C. abomasum
  26. B. castration
  27. D. it affects the metabolic processes in fish
  28. E. middlemen
  29. E. produce offspring that can withstand unfavourable weather
  30. B. 45%
  31. B. reduce breakages
  32. B. flat
  33. B. seeds
  34. A. Foot and mouth
  35. C. sulphur
  36. B. increase production of food
  37. C. gene
  38. D. continuous grazing of land
  39. E. mate with queen
  40. E. inheritance
  41. B. inheritance
  42. C. clay
  43. D. organic matter content is high
  44. C. Continuous cropping
  45. C. farm offices on high elevation
  46. B. results to the death of fingerlings
  47. B. seeds have two seed leaves on germination
  48. C. after one year in nursery
  49. B. ₦900
  50. A. continuous cropping
  51. D. IV
  52. B. tick
  53. A. works with existing community organisation and local leaders
  54. C. increases pigs’ visit to wallow
  55. C. serve as wind-breaks
  56. D. 4
  57. D. Farmers may be stimulated to produce more
  58. C. encourages build-up of crop diseases
  59. C. increases pasture productivity
  60. A. has no valve along its line

AGRIC OBJ (SOKOTO STATE)

  1. C. Ipomoea batatas
  2. D. castrated pig
  3. C. kidney
  4. D. alley farming
  5. D. rainfall
  6. A. dolomite
  7. B. abomasum
  8. D. hutch
  9. B. art of planting both food crops and forest trees
  10. D. restrict animal’s movement
  11. A. water
  12. D. plate-like
  13. C. Hevea braziliensis
  14. A. seeds
  15. E. nitrosomonas
  16. A. becomes fragmented over time
  17. D. chemical
  18. A. Calopogonium mucunoides
  19. B. castration
  20. B. middlemen
  21. B. Cassava mosaic
  22. C. reduces amount of annual rainfall
  23. B. Balsam
  24. A. symbiosis
  25. C. sulphur
  26. C. 45%
  27. C. Rapid cooling and solidification of rocks
  28. D. nitrogen
  29. E. Pneumonia
  30. D. mate with queen
  31. A. mealybug
  32. E. reduce breakages
  33. E. harvesting rice with combined harvester
  34. A. Arachis hypogea
  35. C. produce offspring that can withstand unfavourable weather
  36. E. grafting
  37. B. 5%
  38. E. increase in population
  39. E. sharpening the blade regularly
  40. B. symbiosis
  41. E. inheritance
  42. D. organic matter content is high
  43. A. confirm the presence of carbon dioxide
  44. D. Continuous cropping
  45. A. improve soil aeration
  46. D. farm offices on high elevation
  47. D. Cultivation of crops in definite sequence
  48. E. 20,000
  49. D. prone to inbreeding depression
  50. E. deep litter
  51. A. continuous cropping
  52. D. 1
  53. D. ₦900
  54. D. encourages build-up of crop diseases
  55. C. IV
  56. B. uprooting and burning infected crops
  57. C. increases pigs’ visit to wallow
  58. B. Farmers may be stimulated to produce more
  59. B. has no valve along its line
  60. B. Newcastle

AGRIC OBJ (DELTA STATE)

  1. C. profile
  2. E. perforated pipes
  3. A. manage his farm judiciously
  4. D. readiness of farmers to adopt innovations
  5. E. 10–12 years
  6. C. weathering
  7. C. leaf
  8. A. soybean
  9. C. dolomite
  10. A. rainfall
  11. C. art of planting both food crops and forest trees
  12. D. measuring tape
  13. D. castrated pig
  14. E. pancreas
  15. C. increase production of food
  16. D. aspergillosis
  17. B. Rapid cooling and solidification of rocks
  18. A. removal of pigs’ snout
  19. C. Panama
  20. A. are easy to treat against disease infection
  21. B. causes soil erosion and water logging
  22. B. boron
  23. A. grafting
  24. B. thick stalk
  25. C. regenerate after trampling
  26. B. drenching
  27. A. continuous grazing of land
  28. E. nitrogen
  29. E. Calopogonium mucunoides
  30. B. sulphur
  31. E. becomes fragmented over time
  32. A. Pneumonia
  33. D. Calopogonium mucunoides
  34. E. leaves
  35. E. damage crop plants if not properly supervised
  36. A. mealybugs
  37. A. brucellosis
  38. C. castration
  39. E. symbiosis
  40. A. Timber, hides, palm fruit and cocoa
  41. A. Sandy
  42. B. confirm the presence of carbon dioxide
  43. A. organic matter content is high
  44. A. 1,250
  45. E. farm offices on high elevation
  46. E. increases the growth of planktons
  47. A. Cultivation of crops in definite sequence
  48. D. Chaining
  49. C. Reseeding
  50. D. extension personnel
  51. C. increases pigs’ visit to wallow
  52. C. herd
  53. A. tick
  54. E. has no valve along its line
  55. B. works with existing community organisation and local leaders
  56. C. continuous cropping
  57. C. requires less take-off capital
  58. E. is not refundable while loan is refundable
  59. B. encourages build-up of crop diseases
  60. A. tick

AGRIC OBJ (ENUGU STATE)

  1. C. art of planting both food crops and forest trees
  2. E. androgen
  3. A. N.P.K. 20-5-10
  4. C. cotton
  5. E. dolomite
  6. D. grading
  7. C. abomasum
  8. C. 1.0 m × 1.0 m
  9. D. wax
  10. E. restrict animal’s movement
  11. B. pruning
  12. E. photosynthesis
  13. D. trimming flowers
  14. B. adhesives
  15. C. always requires high initial cost
  16. D. furrow wheel
  17. D. long leaves
  18. D. consumers will buy more yams willingly
  19. B. pancreas
  20. D. clean clearing
  21. A. Stylosanthes gracilis
  22. D. setting of trap
  23. C. paying of landing taxes by fishermen
  24. B. aspergillosis
  25. C. seeds
  26. C. thinning
  27. B. bleaching of leaves
  28. B. Calopogonium mucunoides
  29. D. mealybug
  30. E. strongly acidic
  31. D. are easy to treat against disease infection
  32. E. becomes fragmented over time
  33. C. nitrogen
  34. B. symbiosis
  35. D. 5%
  36. E. hydrogen ions
  37. C. mate with queen
  38. C. Panama
  39. B. removal of pigs’ snout
  40. E. symbiosis
  41. C. food
  42. A. confirm the presence of carbon dioxide
  43. C. ensure that pores are filled with air
  44. B. 1,250
  45. E. Continuous cropping
  46. E. results to death of fishes
  47. D. seeds have two seed leaves on germination
  48. B. cowpea
  49. E. controls price of produce
  50. A. extension personnel
  51. A. herd
  52. B. Reseeding
  53. C. uprooting and burning infected crops
  54. B. spraying fungicides on the plant
  55. A. 15–20 days
  56. A. prone to inbreeding depression
  57. A. 1
  58. B. ₦900
  59. A. cervix
  60. A. Newcastle

AGRIC OBJ (PLATEAU STATE)

  1. A. restrict animal’s movement
  2. C. perforated pipes
  3. D. wax
  4. A. udder
  5. A. readiness of farmers to adopt innovations
  6. A. grading
  7. B. plate-like
  8. B. measuring tape
  9. D. rainfall
  10. B. art of planting both food crops and forest trees
  11. B. Ipomoea batatas
  12. E. 1.0 m × 1.0 m
  13. B. trimming flowers
  14. A. thinning
  15. B. mealybugs
  16. A. damage crop plants if not properly supervised
  17. E. Arachis hypogaea
  18. B. Rapid cooling and solidification of rocks
  19. C. magnesium
  20. A. nitrogen
  21. C. long leaves
  22. E. Ndama
  23. B. consumers will buy more yams willingly
  24. D. reduce breakages
  25. D. middlemen
  26. E. increase in population
  27. B. Panama
  28. B. castration
  29. D. drip
  30. A. Calopogonium mucunoides
  31. D. seeds
  32. A. flat
  33. E. continuous grazing of land
  34. B. 5%
  35. D. removal of pigs’ snout
  36. D. it affects the metabolic processes in fish
  37. B. strongly acidic
  38. A. paying of landing taxes by fishermen
  39. C. 5%
  40. C. food
  41. A. Timber, hides, palm fruit and cocoa
  42. D. soil sample contains fine particles
  43. E. living organism is present
  44. D. increases the growth of planktons
  45. E. results to death of fishes
  46. C. 1,250
  47. E. anchor itself
  48. B. after one year in nursery
  49. D. is not refundable while loan is refundable
  50. C. Farmers may be stimulated to produce more
  51. D. Reseeding
  52. C. 0
  53. C. requires less take-off capital
  54. E. increases pasture productivity
  55. E. increases pigs’ visit to wallow
  56. D. birds
  57. D. 4
  58. A. spraying fungicides on the plant
  59. C. prone to inbreeding depression
  60. A. tick

AGRIC OBJ (ANAMBRA STATE)

  1. B. The exporters
  2. E. Plate-like
  3. C. Perforated pipes
  4. B. Abomasum
  5. D. Trimming flowers
  6. B. Millet
  7. E. N.P.K. 20-5-10
  8. D. Art of planting both food crops and forest trees
  9. D. Udder
  10. D. Ipomoea batatas
  11. A. Water
  12. A. Dolomite
  13. D. Androgen
  14. D. Debeaking
  15. C. Mealybug
  16. B. Flat
  17. D. Calopogonium mucunoides
  18. A. Brucellosis
  19. A. Inspection
  20. B. Arachis hypogaea
  21. E. Castration
  22. A. Strongly acidic
  23. D. Mate with queen
  24. C. Continuous grazing of land
  25. D. Compete with weeds
  26. A. Drip
  27. C. Grafting
  28. C. Hydrogen ions
  29. C. Nitrogen
  30. E. Long leaves
  31. D. Increase production of food
  32. E. Reduces top soil disturbances and compaction
  33. B. Foot and mouth
  34. D. Produce offspring that can withstand unfavourable weather
  35. E. Rapid cooling and solidification of rocks
  36. D. Middlemen
  37. D. Reduces amount of annual rainfall
  38. C. Encourage canopy formation
  39. C. Increase in population
  40. E. Inheritance
  41. B. Inheritance
  42. A. Living organism is present
  43. D. Confirm the presence of carbon dioxide
  44. C. Results to death of fishes
  45. A. Farm offices on high elevation
  46. E. 1,250
  47. A. 2250
  48. D. Cowpea
  49. E. Extension personnel
  50. C. Works with existing community organisation and local leaders
  51. A. Susceptible to animal diseases
  52. B. Serve as wind-breaks
  53. E. Increases pigs’ visit to wallow
  54. C. Cervix
  55. C. 3
  56. E. Is not refundable while loan is refundable
  57. D. II
  58. A. Has no valve along its line
  59. A. Continuous cropping
  60. B. Tick

AGRIC OBJ (EDO STATE)

  1. A. kidding
  2. D. androgen
  3. A. plate-like
  4. C. trimming flowers
  5. C. Ipomoea batatas
  6. C. The exporters
  7. A. restrict animal’s movement
  8. A. hutch
  9. A. photosynthesis
  10. A. alley farming
  11. E. water
  12. E. millet
  13. D. 25–30 cm × 75–80 cm
  14. B. mealybug
  15. E. 45%
  16. D. Rapid cooling and solidification of rocks
  17. E. symbiosis
  18. E. adhesives
  19. B. Perosis
  20. D. increase production of food
  21. A. it affects the metabolic processes in fish
  22. C. Bush burning
  23. C. middlemen
  24. B. eating while spraying
  25. C. drenching
  26. D. damage crop plants if not properly supervised
  27. C. saw
  28. A. Swelling of the abdomen
  29. E. harvesting rice with combined harvester
  30. A. pig
  31. B. Cowpea
  32. C. Cotton
  33. E. reduces amount of annual rainfall
  34. E. Calopogonium mucunoides
  35. D. magnesium
  36. E. drip
  37. C. seeds
  38. C. Arachis hypogaea
  39. D. strip cropping
  40. E. inheritance
  41. E. is slow in solidification while volcanic is rapid in solidification
  42. B. air
  43. A. sand
  44. B. improve soil aeration
  45. C. 1,250
  46. E. nitrogen
  47. A. seeds have two seed leaves on germination
  48. C. 90,000
  49. A. 1
  50. B. Reseeding
  51. C. pure-line
  52. A. ₦900
  53. E. deep litter
  54. C. Branding
  55. C. herd
  56. B. develop improved varieties of crops
  57. E. Farmers may be stimulated to produce more
  58. D. increases pigs’ visit to wallow
  59. D. encourages build-up of crop diseases
  60. D. 15–20 days

AGRIC OBJ (IMO STATE)

  1. C. shade
  2. C. 1.2 m × 1.2 m
  3. C. readiness of farmers to adopt innovations
  4. E. 7–9 years
  5. E. rainfall
  6. E. Egg → larva → nymph → adult
  7. B. udder
  8. A. weaning
  9. B. plate-like
  10. B. problem of middlemen
  11. C. Ridger
  12. D. abomasum
  13. B. perforated pipes
  14. E. becomes fragmented over time
  15. B. nitrogen
  16. E. hydrogen ions
  17. D. seeds
  18. B. paying of landing taxes by fishermen
  19. A. decomposition of organic materials
  20. D. strip cropping
  21. D. Pneumonia
  22. D. is a variable resource
  23. B. harvesting rice with combined harvester
  24. D. Sprinkler
  25. C. Anaemia
  26. E. chemical
  27. B. it affects the metabolic processes in fish
  28. D. leaves
  29. D. Handling them becomes easy
  30. B. Panama
  31. E. gene
  32. C. produce offspring that can withstand unfavourable weather
  33. E. vaccinating the animals
  34. C. thinning
  35. D. sulphur
  36. C. grafting
  37. E. waterleaf
  38. D. damage crop plants if not properly supervised
  39. C. Cassava mosaic
  40. D. Timber, hides, palm fruit and cocoa
  41. E. calcium bicarbonate
  42. D. living organism is present
  43. B. soil sample contains fine particles
  44. A. Continuous cropping
  45. A. are essential for chlorophyll formation
  46. A. Waste disposal unit should be located within farm area
  47. C. Cultivation of arable crops on a farmland
  48. C. anchor itself
  49. A. tick
  50. E. serve as wind-breaks
  51. D. ₦900
  52. C. Newcastle
  53. B. susceptible to animal diseases
  54. C. cervix
  55. E. VII
  56. A. aspergillosis
  57. D. promotes production of export crops only
  58. B. 2
  59. B. extension personnel
  60. D. spraying fungicides on the plant

AGRIC OBJ (LAGOS STATE)

  1. A. grading
  2. A. udder
  3. E. 1.0 m × 1.0 m
  4. A. androgen
  5. D. 25 × 30 cm × 75 × 90 cm
  6. D. art of planting both food crops and forest trees
  7. D. pruning
  8. A. root
  9. C. alley farming
  10. C. horizon
  11. B. diorite
  12. A. restrict animal’s movement
  13. C. kidney
  14. D. fresh leaves
  15. D. Newcastle
  16. B. are prone to wild animal attack
  17. D. castration
  18. C. prevents excessive water seepage
  19. E. 45%
  20. B. sprinkler
  21. A. seeds
  22. E. photoperiodism
  23. C. rapid cooling and solidification of rocks
  24. B. beetle
  25. C. continuous grazing of land
  26. D. Pennisetum purpureum
  27. B. magnesium
  28. C. thinning
  29. B. nitrogen
  30. E. drip
  31. B. isolation
  32. D. Mucuna utilis
  33. C. produce offspring that can withstand unfavourable weather
  34. A. Panama
  35. A. increase in population
  36. A. harvesting rice with combined harvester
  37. B. compete with weeds
  38. C. symbiosis
  39. B. 5%
  40. B. inheritance
  41. C. timber, hides, palm fruit and cocoa
  42. B. capillarity is high
  43. B. prevent water from mixing the soil
  44. B. leads to the growth of predators
  45. B. continuous cropping
  46. D. 1,250
  47. E. yam
  48. C. 81,000
  49. D. spraying fungicides on the plant
  50. A. price tends to fall
  51. B. 2
  52. E. effective control of pests
  53. B. ₦90,000
  54. C. ₦13,333.00
  55. C. swine
  56. E. chaining
  57. D. reduces weed infestation
  58. E. cervix
  59. D. deep litter
  60. B. organise annual farmers’ festival and shows

AGRIC OBJ (ADAMAWA STATE)

  1. A. Ipomoea batatas
  2. A. readiness of farmers to adopt innovations
  3. E. dolomite
  4. C. wax
  5. B. 25–30 cm × 75–90 cm
  6. B. art of planting both food crops and forest trees
  7. C. cotton
  8. D. cerebellum
  9. B. profile
  10. D. respiration
  11. E. 1.0 m × 1.0 m
  12. C. udder
  13. C. alley farming
  14. A. thinning
  15. E. photoperiodism
  16. B. profits of the producer will remain constant
  17. D. leaves
  18. D. continuous grazing of land
  19. E. Newcastle
  20. E. prevents excessive water seepage
  21. B. cassava mosaic
  22. A. removal of pig’s snout
  23. A. eating while spraying
  24. D. reduce breakages
  25. C. arrangement of soil particles in a sample
  26. B. produce offspring that can withstand unfavourable weather
  27. C. pheromone trapping
  28. D. feed
  29. B. drenching
  30. E. 5%
  31. B. Panama
  32. D. 45%
  33. D. increase production of food
  34. E. hydrogen ions
  35. A. castration
  36. E. it affects the metabolic processes in fish
  37. A. mastitis
  38. A. seeds
  39. C. symbiosis
  40. B. sandy
  41. E. slow in solidification while volcanic is rapid in solidification
  42. A. prevent water from mixing the soil
  43. B. capillarity is high
  44. C. are essential for chlorophyll formation
  45. B. leads to the growth of predators
  46. C. continuous cropping
  47. A. yam
  48. B. 81,000
  49. D. 19th–20th March, 2027
  50. D. deep litter
  51. D. swine
  52. E. encourages build-up of crop diseases
  53. A. reseeding
  54. E. spraying fungicides on the plant
  55. A. promotes production of export crops only
  56. D. cervix
  57. D. avian influenza
  58. E. pure-line
  59. A. uprooting and burning infected crops
  60. C. VII

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NECO Agricultural Science Essay

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