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Thursday, 02 April 2026
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Agricultural Science Past Questions and Answers

Agricultural Science Questions

Question 321:
Which of the following nutrient element is a macro-nutrient?
  • A Phosphorus
  • B Zinc
  • C Iron
  • D Manganese
  • E Boron
View Answer & Explanation
Question 322:
Which of the following is a disadvantage of using organic manure on the soil?
  • A Spreading of pests and diseases
  • B Reducing the rate of evaporation from soil surfaces
  • C Improving the nitrogen content of soil
  • D Increasing the humus content of soil
  • E Preventing erosion and leaching
View Answer & Explanation
Question 323:
Which of the following factors is not considered in 5the use of irrigation?
  • A Weed seed distribution over the farm
  • B Cost of maintenance
  • C Availability of water
  • D Build up of pests and diseases
  • E Prevention of salt accumulation through adequate drainage
View Answer & Explanation
Question 324:
By which of the following ways is the agricultural production in Nigeria affected by topography
  • A Lowering of crop quality
  • B Determining the manure requirement of a farm
  • C Lowering the leve of production
  • D Increasing the pest incidence on crops
  • E Influencing the area of land, actually available for agriculture
View Answer & Explanation
Question 325:
Which of the following will not contribute to soil formation in Nigeria?
  • A Carbonation
  • B Oxidation
  • C Temperature
  • D Hydrolysis
  • E Glaciation
View Answer & Explanation