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 241:

  Improvement of yam through breeding is difficult because

  Options:
  A) it possesses no sexual reproductive system
  B) naturally growing types have to be used
  C) its rapid multiplication is very difficult
  D) its genes do not segregate
  Show Answer
  The correct answer is A .
• Question 242:

  Which of the following methods of storage is used for grains

  Options:
  A) Barns
  B) Cribs
  C) Silos
  D) Refrigerators
  Show Answer
  The correct answer is C .
• Question 243:

  The windmill is normally used as a source of power in

  Options:
  A) pumping well water
  B) soil drainage
  C) ridging
  D) erosion control
  Show Answer
  The correct answer is A .
• Question 244:

  Which of the following is NOT a component of soil?

  Options:
  A) Organic matter
  B) Water
  C) rubber
  D) Minerals
  Show Answer
  The correct answer is C .
• Question 245:

  ________ is all written ideas and innovation for literate to read, understand and apply.

  Options:
  A) A bulletin
  B) A television
  C) A poster
  D) A radio
  Show Answer
  The correct answer is A .
• Question 246: Which of the following statements about soil organisms is false? Options:
  A) soil pH will attack population of soil organisms
  B) population of soil living organisms is increased with increase in soil organic matter
  C) soil with good texture and structure cannot harbour soil microbes
  D) soil temperature affects the activities of soil organisms
  Show Answer
  The correct answer is C .
• Question 247:

  A periodic maintenance activity carried out using a farm tractor is

  Options:
  A) checking of radiator water
  B) checking of tire pressure
  C) cleaning after use
  D) changing of engine oil
  Show Answer
  The correct answer is C .
• Question 248:

  Which of the following is not a characteristic of metamorphic rock?

  Options:
  A) they are colourless
  B) some occur in layers
  C) they may contain fossils
  D) they may be hard and massive
  Show Answer
  The correct answer is C .
• Question 249:

  The process whereby rocks are broken down into small particles through both physical and chemical factors is known as

  Options:
  A) Rock degradation
  B) Weathering
  C) Erosion
  D) Oxidation
  Show Answer
  The correct answer is B .
• Question 250:

  Which of the following is not the role of government in agricultural production?

  Options:
  A) provision of loans and credits
  B) building of storage facilities
  C) establishment of efficient marketing outlets
  D) provision of labour
  Show Answer
  The correct answer is D .