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 11:

  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 12:

  The most common soil mineral found in all crystalline rocks and a main constituent of granite and sandstone is

  Options:
  A) biotite
  B) quartz
  C) mica
  D) granite
  Show Answer
  The correct answer is B .
• Question 13: Floriculture deals with the study of Options:
  A) flowers
  B) fossils
  C) weeds
  D) insects
  Show Answer
  The correct answer is A .
• Question 14:

  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 15:

  The best control ensure for rinderpest disease in cattle is

  Options:
  A) sanitation
  B) vaccination
  C) use of antibiotics
  D) eradication of infected stock
  Show Answer
  The correct answer is B .
• Question 16:

  Which of the following is not an advantage of drip-irrigation?

  Options:
  A) fertilizers can be applied through the system
  B) there is reduction in the concentration of salt in the root zone
  C) the system operates on a much lower line pressure than sprinkler system
  D) its efficiency on water distribution in steep slopes is poor
  Show Answer
  The correct answer is D .
• Question 17:

  _______ is a secondary tillage implement

  Options:
  A) Harrow
  B) Plough
  C) Ridger
  D) Disc plough
  Show Answer
  The correct answer is A .
• Question 18:

  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 19:

  Which of the following farm practices is not mechanized?

  Options:
  A) planting
  B) fertilizer application
  C) bush clearing
  D) transplanting
  Show Answer
  The correct answer is D .
• Question 20:

  Which of the following is not a quality for selecting livestock?

  Options:
  A) feed consumption
  B) egg production
  C) mortality rate
  D) body weight
  Show Answer
  The correct answer is C .