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 81:

  The following are categories of farmers based on adoption of innovation except

  Options:
  A) Innovators
  B) Early adopters
  C) Late adopters
  D) Never innovators
  Show Answer
  The correct answer is D .
• Question 82: The following are advantages of sub-surface irrigation except that Options:
  A) it is suitable for soils with low water holding capacity
  B) it can be used only for specific types of crops
  C) the rate of evaporation is greatly reduced
  D) it reduces the incidence of pests
  Show Answer
  The correct answer is B .
• Question 83:

  Heavy infestation of liver fluke causes poor absorption of fats in livestock by

  Options:
  A) blocking bile ducts thus preventing flow of bile
  B) destroying fat-digesting enzymes
  C) reducing ingestion of fats
  D) inhibiting the action of digestive enzymes
  Show Answer
  The correct answer is D .
• Question 84:

  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 .
• Question 85:

  The following problems are usually associated with subsistence agriculture except

  Options:
  A) Family labour supply is unreliable
  B) Simple tools are used
  C) It requires a large area of land
  D) No surplus for sale
  Show Answer
  The correct answer is C .
• Question 86:

  What is the primary function of the reproductive system in farm animals?

  Options:
  A) Digestion of food
  B) Reproduction and propagation of the species
  C) Production of milk for offspring
  D) Maintenance of body temperature
  Show Answer
  The correct answer is B .
• Question 87: The causative organism of Avian influenza is a Options:
  A) bacterium
  B) virus
  C) fungus
  D) protozoan.
  Show Answer
  The correct answer is B .
• Question 88:

  The study of insect pests of crops is called

  Options:
  A) entomology
  B) pathology
  C) agronomy
  D) synecology
  Show Answer
  The correct answer is A .
• Question 89:

  The type of soil with a particle size of 0.02 to 0.002mm is

  Options:
  A) clay
  B) slit
  C) fine sand
  D) coarse sand
  Show Answer
  The correct answer is B .
• Question 90:

  The main purpose of including leguminous crops in pastures is to serve as a source of

  Options:
  A) proteins
  B) vitamins
  C) minerals
  D) carbohydrates
  Show Answer
  The correct answer is A .