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 21: 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 22:

  _________ is the artificial watering of farmland

  Options:
  A) Application
  B) Supplying
  C) Manuring
  D) Irrigation
  Show Answer
  The correct answer is D .
• Question 23:

  Ginger is propagated by

  Options:
  A) suckers
  B) rhizomes
  C) seeds
  D) tuber
  Show Answer
  The correct answer is B .
• Question 24:

  Which of the following is not a source of farm power?

  Options:
  A) wind
  B) Bull
  C) Tractor
  D) Plough
  Show Answer
  The correct answer is D .
• Question 25:

  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 26:

  What is the importance of agriculture?

  Options:
  A) Agriculture has no significant impact on the economy or global trade
  B) Agriculture is essential for food production and food security
  C) Agriculture provides employment opportunities only in rural areas
  D) Agriculture is primarily focused on the production of cash crops for export
  Show Answer
  The correct answer is B .
• Question 27:

  The following processes in crops are sensitive to daylength except

  Options:
  A) fruiting
  B) growth
  C) flowering
  D) branching
  Show Answer
  The correct answer is D .
• Question 28:

  In encouraging farmers to produce more of a particular crop, the Nigerian government has helped farmers in marketing that crop through the establishment of

  Options:
  A) rural schools of agriculture
  B) markets for the sale of crops
  C) marketing boards
  D) rural extension offices
  Show Answer
  The correct answer is C .
• Question 29:

  Which of the following is an example of a pasture commonly used in agriculture?

  Options:
  A) Corn plantation
  B) Orange orchard
  C) Cattle pasture
  D) Wheat field
  Show Answer
  The correct answer is C .
• Question 30:

  Oil palm trees do well in soils with pH level of

  Options:
  A) 2.5 - 3.5
  B) 3.5 - 4.5
  C) 5.5 - 6.5
  D) 6.5 - 7.5
  Show Answer
  The correct answer is C .