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 51:

  Which of the following is not a source of farm power?

  Options:
  A) wind
  B) Bull
  C) Tractor
  D) Plough
  Show Answer
  The correct answer is D .
• Question 52: Which of the following groups of rocks is formed as a result of volcanic eruption? Options:
  A) lomestone,basalt and shale
  B) basalt,granite and pumice
  C) sandstone,granite and quartzite
  D) marble,gneiss and shale
  Show Answer
  The correct answer is B .
• Question 53:

  Which branch of ecology deals with the study of an individual organism and its interaction with the environment is

  Options:
  A) embryology
  B) symbiosis
  C) entomology
  D) autecology
  Show Answer
  The correct answer is D .
• Question 54:

  Calculate the salvage value of a tractor with a depreciation value of ₦10,580.00 and initial cost of ₦50,000 after a year of use

  Options:
  A) ₦10,580
  B) ₦30,290
  C) ₦39,420
  D) ₦60,580
  Show Answer
  The correct answer is C .
• Question 55:

  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 56:

  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 57:

  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 58:

  Preservation of fish prevents the following except

  Options:
  A) Injury
  B) Spoilage
  C) Destruction
  D) Processing
  Show Answer
  The correct answer is D .
• Question 59:

  What is crop science?

  Options:
  A) The study of agricultural machinery and equipment
  B) The study of weather patterns and their impact on crop growth
  C) The study of soil fertility and nutrient management
  D) The study of plant genetics and breeding
  Show Answer
  The correct answer is D .
• Question 60:

  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 .