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 51:

  _________ is concerned with the study of the inter-relationships between groups of organisms living together in an area

  Options:
  A) Autecology
  B) Synecology
  C) Ecosystem
  D) Ecology
  Show Answer
  The correct answer is B .
• Question 52:

  What does the scale of preference represent in agricultural decision-making?

  Options:
  A) The ranking of available choices based on personal preference
  B) The availability of resources for agricultural production
  C) The total cost of implementing different agricultural practices
  D) The market demand for agricultural products
  Show Answer
  The correct answer is A .
• Question 53: Which of the following factors are causes of deforestation in West Africa? I. expansion of cultivated land II. high population growth rate III. conservation of wildlife in game reserves IV. urban growth Options:
  A) I,II and III only
  B) II,III and IV only
  C) I,II and IV only
  D) I,II,III and IV
  Show Answer
  The correct answer is C .
• Question 54:

  The process whereby rocks are broken down into small particles through both physical and chemical factors is known as

  Options:
  A) Rock degradation
  B) Weathering
  C) Erosion
  D) Oxidation
  Show Answer
  The correct answer is B .
• Question 55:

  The main processes involved in the marketing of cotton include the following except

  Options:
  A) wedding
  B) processing
  C) grading
  D) packaging
  Show Answer
  The correct answer is A .
• Question 56:

  The following are the features of subsistence agriculture except

  Options:
  A) subsistence agriculture is mostly practised by peasant farms
  B) It requires the use of family labour
  C) Pests and diseases are not really controlled
  D) It requires the use of both skilled and unskilled labour
  Show Answer
  The correct answer is D .
• Question 57:

  Which of the following is not a sign of heat in farm animals?

  Options:
  A) loss of appetite
  B) restlessness
  C) udder enlargement
  D) grunting
  Show Answer
  The correct answer is C .
• Question 58:

  The recommended agricultural practice in farm settlement scheme is

  Options:
  A) poultry farming
  B) continuous cropping
  C) mixed farming
  D) cash crop production
  Show Answer
  The correct answer is C .
• Question 59:

  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 60:

  The Head of the tapeworm is known as the

  Options:
  A) sucker
  B) rostellum
  C) scolex
  D) hook
  Show Answer
  The correct answer is C .