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 71:

  Dura, Tenera and Pisifera are all cultivated varieties of

  Options:
  A) coconut
  B) oil palm
  C) rubber
  D) banana
  Show Answer
  The correct answer is B .
• Question 72:

  _______ is a secondary tillage implement

  Options:
  A) Harrow
  B) Plough
  C) Ridger
  D) Disc plough
  Show Answer
  The correct answer is A .
• Question 73:

  The demand for agricultural produce is generally

  Options:
  A) elastic
  B) inelastic
  C) unitary
  D) static
  Show Answer
  The correct answer is B .
• Question 74: An advantage of weeds is that they are used to Options:
  A) control insect pest
  B) check grazing by animals
  C) check erosion
  D) control diseases.
  Show Answer
  The correct answer is C .
• Question 75:

  ________ is a disease condition which emanates from inadequate nutrition.

  Options:
  A) Nutritional deficiency
  B) Nutritional adequacy
  C) Nutritional efficiency
  D) Nutritional sufficiency
  Show Answer
  The correct answer is A .
• Question 76:

  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 77: Which of the following statements about soil organisms is false? Options:
  A) soil pH will attack population of soil organisms
  B) population of soil living organisms is increased with increase in soil organic matter
  C) soil with good texture and structure cannot harbour soil microbes
  D) soil temperature affects the activities of soil organisms
  Show Answer
  The correct answer is C .
• Question 78:

  Rocks formed by the cooling and solidification of molten rocks called magma ejected from beneath the earth's crust is

  Options:
  A) Igneous rock
  B) Metamorphic rock
  C) Caleima rock
  D) Sedimentary rock
  Show Answer
  The correct answer is A .
• Question 79:

  What is subsistence agriculture?

  Options:
  A) Export-oriented agricultural production
  B) Intensive farming using advanced technology
  C) Farming for self-sufficiency and survival
  D) Large-scale commercial farming
  Show Answer
  The correct answer is C .
• Question 80:

  The following problems are encountered by an agricultural extension agent except

  Options:
  A) Language barriers
  B) Uncoordinated efforts by government agencies
  C) High level of literacy among farmers
  D) High level of illiteracy among farmers
  Show Answer
  The correct answer is C .