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 21:

  The following are post planting operations except

  Options:
  A) Thinning
  B) Supplying
  C) Mulching
  D) Ridging
  Show Answer
  The correct answer is D .
• Question 22:

  Which of the following is not a role of science and technology in agricultural development in Nigeria?

  Options:
  A) Production of chemical fertilizers
  B) Pest and diseases control
  C) Harvesting, processing and packaging
  D) Poor transportation network
  Show Answer
  The correct answer is D .
• Question 23:

  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 24:

  What is the percentage water content of soil sample which weighed 180g when fresh and 120g when oven-dried?

  Options:
  A) 20.14%
  B) 25.00%
  C) 33.33%
  D) 60.00%
  Show Answer
  The correct answer is C .
• Question 25:

  Which of the following is an example of farm machinery used for planting seeds?

  Options:
  A) Combine harvester
  B) Harrow
  C) Tractor
  D) Seed drill
  Show Answer
  The correct answer is D .
• Question 26:

  The most important of all the factors of production in crop farming is

  Options:
  A) labour
  B) capital
  C) land
  D) management.
  Show Answer
  The correct answer is C .
• Question 27:

  The degree of responsiveness of demand to change in the price of goods or produce is referred to as

  Options:
  A) Relative Elasticity of demand
  B) Unit Elasticity of demand
  C) Price Elasticity of demand
  D) Perfect Elastic demand
  Show Answer
  The correct answer is C .
• Question 28:

  What does the scale of preference represent in agricultural decision-making?

  Options:
  A) The ranking of available choices based on personal preference
  B) The availability of resources for agricultural production
  C) The total cost of implementing different agricultural practices
  D) The market demand for agricultural products
  Show Answer
  The correct answer is A .
• Question 29:

  Which part of a tractor is responsible for providing power to the attached implements or machinery?

  Options:
  A) Steering system
  B) Transmission
  C) Engine
  D) Hydraulic system
  Show Answer
  The correct answer is D .
• Question 30:

  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 .