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 171:

  Subsistence agriculture is characterized by

  Options:
  A) used of machines
  B) large scale production
  C) small farm holdings
  D) intensive use of inputs
  Show Answer
  The correct answer is C .
• Question 172:

  Leguminous cover crops do not

  Options:
  A) bind the soil particles together through their roots
  B) increase the nitrogen content of soils
  C) aid in improving the soil organic matter content
  D) reduce the soil microbial population
  Show Answer
  The correct answer is D .
• Question 173:

  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 174:

  What is the primary purpose of farmstead planning in agriculture?

  Options:
  A) Maximizing crop yields
  B) Optimizing livestock management
  C) Efficient utilization of available space
  D) Ensuring efficient water usage
  Show Answer
  The correct answer is C .
• Question 175:

  The primary role of agriculture is the provision of

  Options:
  A) foreign exchange earnings
  B) raw materials for industries
  C) food for man and his animals
  D) employment and income for farmers
  Show Answer
  The correct answer is C .
• Question 176:

  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 177:

  Primary tillage is also known as

  Options:
  A) Ploughing
  B) Harrowing
  C) Stumping
  D) Ridging
  Show Answer
  The correct answer is A .
• Question 178:

  _________ is concerned with the study of the inter-relationships between groups of organisms living together in an area

  Options:
  A) Autecology
  B) Synecology
  C) Ecosystem
  D) Ecology
  Show Answer
  The correct answer is B .
• Question 179:

  Which of the following is an example of a biotic factor in an agricultural ecosystem?

  Options:
  A) Rainfall
  B) Soil pH
  C) Temperature
  D) Crop pests
  Show Answer
  The correct answer is D .
• Question 180:

  The primary role of agriculture is the provision of

  Options:
  A) foreign exchange earnings
  B) raw materials for industries
  C) food for man and his animals
  D) employment and income for farmers
  Show Answer
  The correct answer is C .