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:

  Which of the following requires Silicon (Si) for its growth?

  Options:
  A) Maize
  B) Groundnut
  C) Rice
  D) Green grain
  Show Answer
  The correct answer is C .
• Question 2:

  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 3:

  Which of the following is not an organic manure?

  Options:
  A) Green manure
  B) Farmyard manure
  C) Compost
  D) Fertilizer
  Show Answer
  The correct answer is D .
• Question 4:

  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 5: Which of the following statements about soil organisms is false? Options:
  A) soil pH will attack population of soil organisms
  B) population of soil living organisms is increased with increase in soil organic matter
  C) soil with good texture and structure cannot harbour soil microbes
  D) soil temperature affects the activities of soil organisms
  Show Answer
  The correct answer is C .
• Question 6:

  What are abiotic factors in an agricultural ecosystem?

  Options:
  A) Factors related to the living organisms
  B) Factors related to the availability of nutrients
  C) Factors related to the climate and weather
  D) Factors related to the physical environment
  Show Answer
  The correct answer is D .
• Question 7:

  Water yam is also known as

  Options:
  A) Dioscorea alata
  B) Dioscorea cayenesis
  C) Dioscorea rotundata
  D) Dioscorea bulbifera
  Show Answer
  The correct answer is A .
• Question 8:

  Government agricultural policies include the following except

  Options:
  A) increasing the production of food crops and animals
  B) increasing the efficiency of production of export crops
  C) supplying raw materials for use in local industries
  D) increasing the number of peasant farmers
  Show Answer
  The correct answer is D .
• Question 9:

  Which of the following is a type of land tenure system?

  Options:
  A) Freehold system
  B) Keyhold system
  C) International system
  D) Land tenure system by theft
  Show Answer
  The correct answer is A .
• Question 10:

  The main aim of mechanized agriculture is

  Options:
  A) reducing maturation time for crops
  B) decreasing number of pests
  C) having a large land area for cultivation
  D) reducing cost of production
  Show Answer
  The correct answer is C .