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 441:

  Artificial scarcity of agricultural produce is often caused by the following marketing agents except

  Options:
  A) farmers
  B) wholesalers
  C) middlemen
  D) co-operatives
  Show Answer
  The correct answer is A .
• Question 442: The main objectives of establishing forest in the arid regions is to Options:
  A) check desert enroachment
  B) provide firewood for cooking
  C) provide bush meat
  D) improve the beauty of the environment
  Show Answer
  The correct answer is A .
• Question 443:

  An increase in supply of agricultural produce can be caused by the following factors except

  Options:
  A) reduced cost of production
  B) favourable weather conditions
  C) reduced taxation
  D) consumers buying less products
  Show Answer
  The correct answer is D .
• Question 444:

  One major difference between disc plough and disc harrow is

  Options:
  A) Disc plough is used to create wider ridges on the field than disc Harrow
  B) A disc plough can have up to 54 discs on it at once whereas a disc harrow can have up to 6 disc
  C) Disc plough is used to tilled the disc harrowed land
  D) The disc part of plough is notched while that of harrow is round
  Show Answer
  The correct answer is A .
• Question 445:

  Which of the following equipment is a farm implement?

  Options:
  A) dryer
  B) sheller
  C) mower
  D) mistblower
  Show Answer
  The correct answer is D .
• Question 446:

  In order to eliminate food shortage, farm as should

  Options:
  A) cultivate more varieties of crops
  B) practise land tenure by inheritance
  C) shift from crop to animal production
  D) construct farm buildings
  Show Answer
  The correct answer is A .
• Question 447:

  What is the relationship between demand and supply in agriculture?

  Options:
  A) Demand in agriculture is independent of supply
  B) Demand and supply in agriculture are interdependent
  C) Supply in agriculture is determined solely by demand
  D) Demand and supply in agriculture are unrelated
  Show Answer
  The correct answer is B .
• Question 448:

  The A-Horizon of soil profile is also called the

  Options:
  A) Top soil
  B) Sub-soil
  C) Parent materials
  D) Bedrock
  Show Answer
  The correct answer is A .
• Question 449: An advantage of weeds is that they are used to Options:
  A) control insect pest
  B) check grazing by animals
  C) check erosion
  D) control diseases.
  Show Answer
  The correct answer is C .
• Question 450:

  What are biotic factors in an agricultural ecosystem?

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