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 171:

  What is crop rotation?

  Options:
  A) Growing of crops one after the other in a particular sequence
  B) Growing more than one crop at a time
  C) Growing of an associate crop in between the rows of the main crop
  D) Growing of crops together in strips
  Show Answer
  The correct answer is A .
• Question 172:

  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 .
• Question 173:

  Gummosis disease of citrus is caused by

  Options:
  A) aphids
  B) fungi
  C) white flies
  D) bacteria
  Show Answer
  The correct answer is B .
• Question 174:

  The primary role of agriculture is the provision of

  Options:
  A) foreign exchange earnings
  B) raw materials for industries
  C) food for man and his animals
  D) employment and income for farmers
  Show Answer
  The correct answer is C .
• Question 175:

  Subsistence agriculture is characterized by

  Options:
  A) used of machines
  B) large scale production
  C) small farm holdings
  D) intensive use of inputs
  Show Answer
  The correct answer is C .
• Question 176:

  The quantity of ration that can supply the requirement nutrients above the maintenance to enable the animal produce the form of animal product for which the livestock is kept is known as

  Options:
  A) balanced ration
  B) measured ration
  C) production ration
  D) maintenance ration
  Show Answer
  The correct answer is C .
• Question 177:

  Which of the followings is not an advantage of Introduction

  Options:
  A) It enhances greater productivity
  B) It leads to the absence of pests and diseases
  C) It may not perform maximally
  D) Breeds may perform better in terms of quality and quantity
  Show Answer
  The correct answer is C .
• Question 178:

  What is the primary objective of agricultural research?

  Options:
  A) Developing new farming technologies
  B) Increasing crop diversity
  C) Promoting organic farming practices
  D) Enhancing agricultural productivity and sustainability
  Show Answer
  The correct answer is D .
• Question 179:

  Which of the following sources of farm power is most flexible and adaptable to farm operations?

  Options:
  A) animal power
  B) wind power
  C) human power
  D) solar power
  Show Answer
  The correct answer is C .
• Question 180:

  In order to eliminate food shortage, farm as should

  Options:
  A) cultivate more varieties of crops
  B) practise land tenure by inheritance
  C) shift from crop to animal production
  D) construct farm buildings
  Show Answer
  The correct answer is A .