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 141: In which layer of the soil profile does most biological activity occur? Options:
  A) parent material
  B) D-horizon
  C) C-horizon
  D) B-horizon
  E) A-horizon
  Show Answer
  The correct answer is E .
• Question 142: The use of animal traction is limited in the forest zones of West Africa because of the Options:
  A) topography of the forest land
  B) presence of tsetseflies
  C) high amount of rainfall
  D) culture of the people
  Show Answer
  The correct answer is B .
• Question 143:

  A variety of oil palm is

  Options:
  A) Amelonado
  B) Acuminata
  C) Tenera
  D) Trinitario
  Show Answer
  The correct answer is C .
• Question 144:

  The following are solutions to poor transportation network experienced by farmers except

  Options:
  A) Construction of new roads to open up the rural areas
  B) Provision of motor vehicles, boats and trains to facilitate distribution of farm products.
  C) Reduction in transportation cost to make such affordable to rural farmers.
  D) Presence of bad roads
  Show Answer
  The correct answer is D .
• Question 145:

  Which of the following is an example of farm machinery used for planting seeds?

  Options:
  A) Combine harvester
  B) Harrow
  C) Tractor
  D) Seed drill
  Show Answer
  The correct answer is D .
• Question 146:

  The practice of mating closely related animals is called

  Options:
  A) pen mating
  B) cross breeding
  C) outbreeding
  D) inbreeding
  Show Answer
  The correct answer is D .
• Question 147: If T represents the gene for tallness while t represents dwarfness. The genotypic ratio of the second filial generation will be Options:
  A) 3:1
  B) 1:2:1
  C) 2:2
  D) 4:0
  Show Answer
  The correct answer is B .
• Question 148:

  What does the scale of preference represent in agricultural decision-making?

  Options:
  A) The ranking of available choices based on personal preference
  B) The availability of resources for agricultural production
  C) The total cost of implementing different agricultural practices
  D) The market demand for agricultural products
  Show Answer
  The correct answer is A .
• Question 149:

  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 150:

  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 .