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 111:

  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 112:

  What is the purpose of using a scale of preference in agricultural decision-making?

  Options:
  A) To evaluate the environmental impact of farming practices
  B) To determine the most profitable crops to cultivate
  C) To allocate resources effectively among different activities
  D) To prioritize agricultural tasks based on urgency
  Show Answer
  The correct answer is C .
• Question 113:

  What is the primary purpose of agricultural mechanization?

  Options:
  A) Promoting sustainable irrigation techniques
  B) Increasing crop diversity in farming systems
  C) Reducing labor requirements in agriculture
  D) Enhancing organic farming practices
  Show Answer
  The correct answer is C .
• Question 114: The most devastating agent of erosion is Options:
  A) wild wind
  B) slope
  C) run-off water
  D) rodents.
  Show Answer
  The correct answer is C .
• Question 115:

  The introduction of proper planktons species into the pond is referred to as

  Options:
  A) fertilization
  B) innoculation
  C) stocking
  D) liming.
  Show Answer
  The correct answer is B .
• Question 116:

  The type of soil formed is affected by the following factors except

  Options:
  A) Climate
  B) Vegetation
  C) Topography
  D) Farming systems
  Show Answer
  The correct answer is D .
• Question 117:

  What is the relationship between demand and supply in agriculture?

  Options:
  A) Demand in agriculture is independent of supply
  B) Demand and supply in agriculture are interdependent
  C) Supply in agriculture is determined solely by demand
  D) Demand and supply in agriculture are unrelated
  Show Answer
  The correct answer is B .
• Question 118:

  Which of the following sources of farm power is most versatile in West Africa?

  Options:
  A) Biogas
  B) animal
  C) wind
  D) water
  Show Answer
  The correct answer is B .
• Question 119:

  The process whereby the embryo of a seed resumes growth under favourable conditions is called

  Options:
  A) Plant growth
  B) Germination
  C) Outgrowth
  D) Ingrowth
  Show Answer
  The correct answer is B .
• Question 120:

  Fertile soil is one which

  Options:
  A) which easily drained
  B) is well aerated
  C) can produce a good harvest of cowpea
  D) contain all essential plant nutrients in suitable proportion
  Show Answer
  The correct answer is D .