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 11:

  The causative organism of maize rust is?

  Options:
  A) Nematoda
  B) Insect
  C) Bacterium
  D) Fungus
  Show Answer
  The correct answer is D .
• Question 12:

  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 13:

  Elastic demand is the type in which a change in price

  Options:
  A) brings about greater change in quantity of goods demanded
  B) of a commodity leads to little or no change in demand
  C) leads to equal change in commodity demanded
  D) may not change the demand of quantity of commodity.
  Show Answer
  The correct answer is C .
• Question 14:

  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 15:

  The practice of bee farming is called

  Options:
  A) Apiculture
  B) Heliculture
  C) Forestry
  D) Agronomy
  Show Answer
  The correct answer is A .
• Question 16:

  

  From the curve above, at what point is it advisable for the farmer to stop further addition of input?

  Options:
  A) I
  B) II
  C) III
  D) IV
  Show Answer
  The correct answer is C .
• Question 17:

  Calculate the salvage value of a tractor with a depreciation value of ₦10,580.00 and initial cost of ₦50,000 after a year of use

  Options:
  A) ₦10,580
  B) ₦30,290
  C) ₦39,420
  D) ₦60,580
  Show Answer
  The correct answer is C .
• Question 18:

  A good silage should be free of

  Options:
  A) moulds
  B) nutrients
  C) moisture
  D) fibre
  Show Answer
  The correct answer is A .
• Question 19:

  The windmill is normally used as a source of power in

  Options:
  A) pumping well water
  B) soil drainage
  C) ridging
  D) erosion control
  Show Answer
  The correct answer is A .
• Question 20:

  Gestation period is defined as the time

  Options:
  A) of fusion of the sperm and the egg
  B) between conception and parturition
  C) of release of ovum from the ovary
  D) of the birth of the young animal
  Show Answer
  The correct answer is B .