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 1:

  The farm practices that does not have a very harmful effect on the soil is

  Options:
  A) Flooding
  B) Crop rotation
  C) Over grazing
  D) Bush burning
  Show Answer
  The correct answer is B .
• Question 2:

  The effects of practicing crop rotation include the following except

  Options:
  A) maintaining and improving soil fertility
  B) controlling soil erosion
  C) adding humus to the soil
  D) preventing the build-up of pests and diseases
  Show Answer
  The correct answer is C .
• Question 3:

  The farm machinery used to sow seeds and apply fertilizer at the same time is

  Options:
  A) land clearing
  B) threshing
  C) ploughing
  D) harrowing
  Show Answer
  The correct answer is C .
• Question 4:

  A person who is involved in the dissemination of new ideas and techniques from the research institutes to the farmers is called

  Options:
  A) Biological Extension Officer
  B) Geographical Extension Officer
  C) Agent
  D) Agricultural Extension Officer
  Show Answer
  The correct answer is D .
• Question 5:

  Some of the by-products of fish include the following except

  Options:
  A) Fish meal
  B) Leather
  C) Oil
  D) Fish silage
  Show Answer
  The correct answer is B .
• Question 6:

  _______ is a secondary tillage implement

  Options:
  A) Harrow
  B) Plough
  C) Ridger
  D) Disc plough
  Show Answer
  The correct answer is A .
• Question 7:

  What is the purpose of using a scale of preference in agricultural decision-making?

  Options:
  A) To evaluate the environmental impact of farming practices
  B) To determine the most profitable crops to cultivate
  C) To allocate resources effectively among different activities
  D) To prioritize agricultural tasks based on urgency
  Show Answer
  The correct answer is C .
• Question 8:

  A serious pest of sweet potato whose larvae destroy the foliage is

  Options:
  A) leaf miners
  B) weevils mea
  C) mealy bugs
  D) aphids.
  Show Answer
  The correct answer is A .
• Question 9:

  ______ introduce new ideas of farming seen in other places to their dwelling.

  Options:
  A) Innovators
  B) Early adopters
  C) Late adopters
  D) Never adopters
  Show Answer
  The correct answer is A .
• Question 10:

  Which of the following is not the role of government in agricultural production?

  Options:
  A) provision of loans and credits
  B) building of storage facilities
  C) establishment of efficient marketing outlets
  D) provision of labour
  Show Answer
  The correct answer is D .