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 221:

  Which of the following is an example of an agricultural extension method used to disseminate information to farmers?

  Options:
  A) Crop rotation
  B) Irrigation systems
  C) Farmer field schools
  D) Soil testing
  Show Answer
  The correct answer is C .
• Question 222:

  Capital in agriculture includes the following item except

  Options:
  A) tree crops
  B) livestock
  C) labour
  D) machinery
  Show Answer
  The correct answer is C .
• Question 223:

  Ideal pH for coffee cultivation is

  Options:
  A) 4.0 - 4.5
  B) 5.0 - 5.5
  C) 6.0 - 6.5
  D) 6.5 - 7.5
  Show Answer
  The correct answer is D .
• Question 224:

  What is a potential disadvantage of mass media for farmers?

  Options:
  A) Lack of credibility in agricultural news
  B) Insufficient coverage of farming practices
  C) Limited access to information
  D) Increased cost of agricultural inputs
  Show Answer
  The correct answer is C .
• Question 225:

  Which of the following is a primary function of the digestive system?

  Options:
  A) Regulation of body temperature
  B) Oxygen transport
  C) Production of hormones
  D) Absorption of nutrients
  Show Answer
  The correct answer is D .
• Question 226: In which layer of the soil profile does most biological activity occur? Options:
  A) parent material
  B) D-horizon
  C) C-horizon
  D) B-horizon
  E) A-horizon
  Show Answer
  The correct answer is E .
• Question 227: Tomatoes are staked in order to Options:
  A) accelerate their growth
  B) induce flowering
  C) accelerate fruit ripening
  D) prevent rotting of fruits
  Show Answer
  The correct answer is D .
• Question 228:

  

  Use the diagram below to this answer this question.

  This type of root is associated with

  Options:
  A) nitrogen fixation
  B) photosynthesis
  C) storage of organic acids
  D) storage of minerals
  Show Answer
  The correct answer is A .
• Question 229:

  Bulldozer is used for the following purpose except

  Options:
  A) bush clearing
  B) felling trees and stumps
  C) leveling the ground
  D) planting of trees
  Show Answer
  The correct answer is D .
• Question 230:

  The B-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 B .