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:

  The main mode of infection of rinderpest disease in cattle is through

  Options:
  A) grazing
  B) drinking
  C) contact
  D) inhalation
  Show Answer
  The correct answer is D .
• Question 102:

  Which of the following is NOT a component of soil?

  Options:
  A) Organic matter
  B) Water
  C) rubber
  D) Minerals
  Show Answer
  The correct answer is C .
• Question 103:

  One of the followings is not an objective of agricultural extension

  Options:
  A) To educate farmers
  B) To help improve the standard of living of rural dwellers
  C) To abandon the development of rural area
  D) To help identify proper market channel
  Show Answer
  The correct answer is C .
• Question 104:

  Management practices in a piggery include the following except

  Options:
  A) disinfecting pens
  B) regular cleaning of feed and water troughs
  C) isolating sick animals
  D) weekly vaccination of pigs
  Show Answer
  The correct answer is D .
• Question 105:

  The optimum temperature for storing yam tuber under cold storage is

  Options:
  A) 7°C
  B) 9°C
  C) 13°C
  D) 15°C
  Show Answer
  The correct answer is A .
• Question 106:

  Which one of these is not a factor that affect change in supply of agricultural produce?

  Options:
  A) Technology
  B) Changes in the cost of production
  C) Changes in prices of commodity
  D) Fixed cost
  Show Answer
  The correct answer is D .
• Question 107:

  The commonest method of land tenure in Nigeria is

  Options:
  A) Outright purchase
  B) State allocation
  C) Pledge
  D) Inheritance
  Show Answer
  The correct answer is D .
• Question 108:

  The system in which a farmer uses a piece of land for a period and abandons it for another land is called

  Options:
  A) crop rotation
  B) mix cropping
  C) shifting cultivation
  D) leg farming
  Show Answer
  The correct answer is C .
• Question 109:

  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 110: 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 .