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 321:

  All are factors to consider when planning a farmstead except?

  Options:
  A) Accessibility
  B) Topography
  C) Soil type
  D) Irrigation
  Show Answer
  The correct answer is D .
• Question 322: 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 323:

  The correct sequence in the processes of crop improvement is

  Options:
  A) Introduction → selection → breeding
  B) Breeding → selection → introduction
  C) Breeding → introduction → selection
  D) Introduction → breeding → selection
  Show Answer
  The correct answer is A .
• Question 324:

  Which of the following is not normally a pasture crop?

  Options:
  A) mucuna
  B) centrosema
  C) stylosanthes
  D) giant star grass
  Show Answer
  The correct answer is A .
• Question 325:

  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 326:

  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 327:

  Which of the following is the correct order for land preparation?

  Options:
  A) land clearing → ploughing → harrowing → ridging
  B) land clearing → harrowing → ploughing → ridging
  C) land clearing → ploughing → ridging → harrowing
  D) land clearing → harrowing → ridging → ploughing
  Show Answer
  The correct answer is A .
• Question 328:

  What are biotic factors in an agricultural ecosystem?

  Options:
  A) Factors related to the climate and weather
  B) Factors related to the living organisms
  C) Factors related to the physical environment
  D) Factors related to the availability of nutrients
  Show Answer
  The correct answer is B .
• Question 329:

  The relative humidity in an incubator is usually set at

  Options:
  A) 10% - 30%
  B) 40% - 60%
  C) 70% - 80%
  D) 90% - 100%.
  Show Answer
  The correct answer is B .
• Question 330:

  Which of the following is not correct about Stylosanthers gracilis?

  Options:
  A) It is an animal legume
  B) It is propagated by seeds
  C) It is drought resistant
  D) It produces nodules
  Show Answer
  The correct answer is A .