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 141:

  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 142:

  The animal dungs are used as_____to improve the soil fertility

  Options:
  A) inorganic manure
  B) organic manure
  C) content
  D) mulch
  Show Answer
  The correct answer is B .
• Question 143:

  Which of these is not an example of tractor coupled implement?

  Options:
  A) Harrow
  B) Incubator
  C) Ridger
  D) Plough
  Show Answer
  The correct answer is B .
• Question 144:

  Oil palm trees do well in soils with pH level of

  Options:
  A) 2.5 - 3.5
  B) 3.5 - 4.5
  C) 5.5 - 6.5
  D) 6.5 - 7.5
  Show Answer
  The correct answer is C .
• Question 145:

  The A-Horizon of soil profile is also called the

  Options:
  A) Top soil
  B) Sub-soil
  C) Parent materials
  D) Bedrock
  Show Answer
  The correct answer is A .
• Question 146:

  The pox disease in livestock are caused by

  Options:
  A) bacteria
  B) viruses
  C) protozoa
  D) fungi
  Show Answer
  The correct answer is B .
• Question 147:

  Which of the following is not component of soil?

  Options:
  A) air
  B) water
  C) organic matter
  D) texture
  Show Answer
  The correct answer is D .
• Question 148:

  What is the primary purpose of farm surveying in agriculture?

  Options:
  A) Mapping land boundaries
  B) Determining soil fertility
  C) Assessing crop yield
  D) Identifying pest infestations
  Show Answer
  The correct answer is A .
• Question 149: The process of grafting in crop production involves Options:
  A) the fusion of gametes of two crops
  B) indicating rooting from stems
  C) the trandfer of a bud from one crop to another
  D) the joining of two parts from related crops
  Show Answer
  The correct answer is D .
• Question 150:

  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 .