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 21:

  There are________ Steps or stages of Diffusion process

  Options:
  A) Two
  B) Three
  C) Four
  D) Five
  Show Answer
  The correct answer is D .
• Question 22:

  Which of the following is NOT a component of agronomy?

  Options:
  A) Pest management
  B) Crop production
  C) Soil management
  D) Animal husbandry
  Show Answer
  The correct answer is D .
• Question 23:

  An advantage of extensive system of rearing goats is

  Options:
  A) low labour requirement
  B) easy control of disease
  C) indiscriminate mating
  D) exposure to adverse weather conditions
  Show Answer
  The correct answer is A .
• Question 24:

  What are abiotic factors in an agricultural ecosystem?

  Options:
  A) Factors related to the living organisms
  B) Factors related to the availability of nutrients
  C) Factors related to the climate and weather
  D) Factors related to the physical environment
  Show Answer
  The correct answer is D .
• Question 25:

  Cassava is mainly propagated by

  Options:
  A) seedlings
  B) layering
  C) budding
  D) cuttings
  Show Answer
  The correct answer is D .
• Question 26:

  The most unreliable source of power on the farm is

  Options:
  A) heat engine
  B) wind
  C) electricity
  D) animal
  Show Answer
  The correct answer is B .
• Question 27:

  Soil texture can be refered to as

  Options:
  A) distribution of soil particles in a given sample
  B) movement of water through the soil
  C) Distribution of the different sizes of soil particles
  D) The degree of soil aeration
  Show Answer
  The correct answer is C .
• Question 28:

  The alternate heating and cooling of rocks result in

  Options:
  A) sublimation
  B) volatilization
  C) solidification
  D) fragmentation
  Show Answer
  The correct answer is D .
• Question 29:

  What is the purpose of using a scale of preference in agricultural decision-making?

  Options:
  A) To evaluate the environmental impact of farming practices
  B) To determine the most profitable crops to cultivate
  C) To allocate resources effectively among different activities
  D) To prioritize agricultural tasks based on urgency
  Show Answer
  The correct answer is C .
• Question 30:

  Which of the following rocks is formed from shale?

  Options:
  A) marble
  B) slate
  C) quartzite
  D) limestone
  Show Answer
  The correct answer is B .