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 101: In biotechnology, propagation is mainly by Options:
  A) grafting
  B) aerial layering
  C) binary fission
  D) cell culture.
  Show Answer
  The correct answer is D .
• Question 102:

  _______ refers to the appearance of a seedling above soil level.

  Options:
  A) Emergence
  B) Epicot
  C) Imergence
  D) Emergency
  Show Answer
  The correct answer is A .
• Question 103:

  The horizon of a soil profile which encourages the greatest level of microbial activity is

  Options:
  A) A - horizon
  B) B - horizon
  C) C - horizon
  D) D - horizon
  Show Answer
  The correct answer is A .
• Question 104:

  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 105:

  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 106:

  What is the percentage water content of soil sample which weighed 180g when fresh and 120g when oven-dried?

  Options:
  A) 20.14%
  B) 25.00%
  C) 33.33%
  D) 60.00%
  Show Answer
  The correct answer is C .
• Question 107:

  The process of mating in sheep is termed

  Options:
  A) treading
  B) courting
  C) tupping
  D) servicing
  Show Answer
  The correct answer is C .
• Question 108:

  The average weather condition of a place, measured over a long period of time is called

  Options:
  A) climate
  B) wind
  C) rainfall
  D) temperature
  Show Answer
  The correct answer is A .
• Question 109:

  What is soil conservation, and why is it important in agriculture?

  Options:
  A) Soil conservation involves the removal of topsoil for agricultural purposes
  B) Soil conservation refers to the preservation and sustainable management of soil resources
  C) Soil conservation aims to maximize crop yields through intensive farming practices
  D) Soil conservation focuses on increasing soil fertility through the use of chemical fertilizers
  Show Answer
  The correct answer is B .
• Question 110:

  Which of the following agricultural extensions aims at reaching a large number of farmers at the same time?

  Options:
  A) mass method
  B) group method
  C) individual method
  D) contact method
  Show Answer
  The correct answer is A .