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 1:

  An increase in supply of agricultural produce can be caused by the following factors except

  Options:
  A) reduced cost of production
  B) favourable weather conditions
  C) reduced taxation
  D) consumers buying less products
  Show Answer
  The correct answer is D .
• Question 2:

  Which one of these is not part of a disc plough?

  Options:
  A) Planter
  B) Furrow wheel
  C) Coulter
  D) Disc scraper
  Show Answer
  The correct answer is A .
• Question 3:

  What is the term used to describe the deliberate modification of an organism's genetic material using biotechnology techniques?

  Options:
  A) Mutation
  B) Cloning
  C) Genetic engineering
  D) Hybridization
  Show Answer
  The correct answer is C .
• Question 4:

  What is the primary purpose of mixed cropping in agriculture?

  Options:
  A) Maximizing the yield of a single crop
  B) Simplifying farm management practices
  C) Enhancing soil fertility through crop rotation
  D) Reducing the risk of crop failure
  Show Answer
  The correct answer is D .
• Question 5:

  What is animal production in agriculture?

  Options:
  A) The management and care of livestock for various purposes
  B) The breeding and genetic improvement of animals for specific traits
  C) The production of animal-based products such as milk and eggs
  D) The cultivation of crops for animal consumption
  Show Answer
  The correct answer is A .
• Question 6:

  Which of the following activities is correct about agricultural extension agent?

  Options:
  A) teaching farmers the management of exotic breeds of animals and crops
  B) educating farmers on the use of improved inputs and techniques in agriculture
  C) training school leavers to become professional farmers
  D) encouraging graduates to take up agriculture as a profession
  Show Answer
  The correct answer is B .
• Question 7:

  Which of the following factors usually affects the colour of egg yolk?

  Options:
  A) age of the laying hen
  B) type of housing
  C) type of feed
  D) colour of the cock
  Show Answer
  The correct answer is C .
• Question 8:

  Which of the following may cause disease in a fish pond?

  Options:
  A) mixed stocking
  B) liming
  C) poor management practices
  D) harvesting
  Show Answer
  The correct answer is C .
• Question 9:

  The length of oestrus cycle (in days) in goat is

  Options:
  A) 16 - 17
  B) 18 - 21
  C) 19 - 20
  D) 20 - 22
  Show Answer
  The correct answer is B .
• Question 10:

  Which of the following is an example of a farm implement used for soil preparation in agriculture?

  Options:
  A) Seeder
  B) Sprayer
  C) Harvester
  D) Plow
  Show Answer
  The correct answer is D .