Agricultural-Science Exam Past Questions and Answers | JAMB, WAEC and NECO

Agricultural science studies farming practices, including soil cultivation for growing crops and raising animals for food, wool, and other products.

• Question 91:

  Which of the following is a common problem in agricultural economics and extension?

  Options:
  A) Inadequate market infrastructure
  B) Excessive government regulations
  C) Overreliance on chemical inputs
  D) Lack of access to modern technology
  Show Answer
  The correct answer is D .
• Question 92: Agriculture contributes to the economy of West African Countries through the following means except Options:
  A) reduction of poverty through job creation
  B) supply of armaments for territorial defence
  C) provision of foreign exchange
  D) supply of raw materials to industries
  Show Answer
  The correct answer is B .
• Question 93:

  Which of the following type of rations will supplies the animal with just the quantity of nutrients that are enough to enable the animal carry on with vital body activities without losing or gaining another substance

  Options:
  A) maintenance ration
  B) production ration
  C) balanced ration
  D) measured ration
  Show Answer
  The correct answer is A .
• Question 94:

  Which of the following is not a pre-planting operations?

  Options:
  A) land clearing
  B) Stumping
  C) Thinning
  D) Farm layout
  Show Answer
  The correct answer is C .
• Question 95:

  If a crop requires 1.5kg phosphorus per hectare, how many kg of manure will be required per hectare if 1kg manure contains 0.32kg of phosphorus

  Options:
  A) 2.47kg
  B) 4.69kg
  C) 7.35kg
  D) 12.3kg
  Show Answer
  The correct answer is B .
• Question 96:

  What are the important properties of soil in agriculture?

  Options:
  A) pH, organic matter content, and water-holding capacity
  B) Drainage, cation exchange capacity, and soil depth.
  C) All of the above
  D) Texture, structure, and fertility
  Show Answer
  The correct answer is C .
• Question 97:

  The most unreliable source of power on the farm is

  Options:
  A) heat engine
  B) wind
  C) electricity
  D) animal
  Show Answer
  The correct answer is B .
• Question 98:

  The main processes involved in the marketing of cotton include the following except

  Options:
  A) wedding
  B) processing
  C) grading
  D) packaging
  Show Answer
  The correct answer is A .
• Question 99:

  What is the primary purpose of farmstead planning in agriculture?

  Options:
  A) Maximizing crop yields
  B) Optimizing livestock management
  C) Efficient utilization of available space
  D) Ensuring efficient water usage
  Show Answer
  The correct answer is C .
• Question 100: Crop rotation decreases the incidence of pests by Options:
  A) breaking life cycles of pests
  B) attracting pest predators
  C) sterilizing the soil
  D) maintaining soil fertility
  Show Answer
  The correct answer is A .