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 251:

  Which of the following nutrient element is a macro-nutrient?

  Options:
  A) phosphorus
  B) zinc
  C) iron
  D) manganese
  Show Answer
  The correct answer is A .
• Question 252:

  Maize grows best on

  Options:
  A) Sandy soil
  B) Sandy-clay soil
  C) Loamy soil
  D) Silty-clay soil
  Show Answer
  The correct answer is C .
• Question 253:

  When farmers engages in both plant and animal husbandry, he is practising

  Options:
  A) lay farming
  B) mixed framing
  C) mixed cropping
  D) crop rotation
  Show Answer
  The correct answer is B .
• Question 254: An advantage of weeds is that they are used to Options:
  A) control insect pest
  B) check grazing by animals
  C) check erosion
  D) control diseases.
  Show Answer
  The correct answer is C .
• Question 255: In biotechnology, propagation is mainly by Options:
  A) grafting
  B) aerial layering
  C) binary fission
  D) cell culture.
  Show Answer
  The correct answer is D .
• Question 256:

  The followings are functions of a sprayer except

  Options:
  A) It can be used to control the growth of weeds
  B) It can be used to control the effects of pest.
  C) It can be used to plant seeds
  D) It can be used to spray disinfectant.
  Show Answer
  The correct answer is C .
• Question 257:

  The national tree-planting campaign is aimed at stimulating

  Options:
  A) wildlife conservation
  B) afforestation
  C) taungya farming
  D) forest reservation
  Show Answer
  The correct answer is B .
• Question 258:

  

  Use the following diagram below to answer this question.

  During which of the following plant propagation methods is the tool represented used?

  Options:
  A) Seed planting
  B) Seedling transplant
  C) Budding
  D) Layering
  Show Answer
  The correct answer is C .
• Question 259:

  ___________ is a process of spreading new ideas and information from research station to reach farm families

  Options:
  A) Osmosis
  B) Diffusion
  C) Turgidity
  D) Flaccidity
  Show Answer
  The correct answer is B .
• Question 260:

  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 .