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 following are the advantages of the sprinkler method of irrigation except

  Options:
  A) The system can be made automatic
  B) They are portable making them suitable for use
  C) Rate of application of irrigation water can be controlled
  D) The method may be difficult for local farmers to use
  Show Answer
  The correct answer is D .
• Question 12: In biotechnology, propagation is mainly by Options:
  A) grafting
  B) aerial layering
  C) binary fission
  D) cell culture.
  Show Answer
  The correct answer is D .
• Question 13:

  An important farm machine used for coupling many implements is

  Options:
  A) disc harrow
  B) harvester
  C) tractor
  D) plough
  Show Answer
  The correct answer is C .
• Question 14:

  Agricultural extension programme would succeed in disseminating new ideas to farmers except if the programme

  Options:
  A) is based on research tested on local conditions
  B) involves the people for which the programme is planned
  C) involved only the support to highly trained agricultural extension specialist
  D) is not kept flexible to contemporary technology
  Show Answer
  The correct answer is D .
• Question 15: Close to the time of harvesting of cotton, sunshine is needed to ensure the production of boils that are Options:
  A) big
  B) light
  C) not mouldy
  D) not open
  Show Answer
  The correct answer is C .
• Question 16:

  Under normal circumstances, the concept of consumer sovereignty in agriculture implies that

  Options:
  A) the consumer and not the farmer determines what to produce
  B) both the farmer and the consumer determine what to produce
  C) the consumer and not the farmer owns the means of production
  D) the environmental factors determine what to produce
  Show Answer
  The correct answer is A .
• Question 17:

  The non-oil crop among the following is

  Options:
  A) coconut
  B) beniseed
  C) melon
  D) cowpea
  Show Answer
  The correct answer is D .
• Question 18:

  Broadcast Crop Planter is designed

  Options:
  A) to plant seeds along the rows in a ridge.
  B) to place the correct number of seed(s) into a hole with regular spacing within and between rows
  C) to plant seeds by random scattering of seeds about the field.
  D) to place the correct number of seeds into the soil
  Show Answer
  The correct answer is C .
• Question 19:

  The effects of practicing crop rotation include the following except

  Options:
  A) maintaining and improving soil fertility
  B) controlling soil erosion
  C) adding humus to the soil
  D) preventing the build-up of pests and diseases
  Show Answer
  The correct answer is C .
• Question 20:

  A farmer bought a farm implement for ₦12,500 in 2007. At the end of the fourth year, he sold it for ₦4,300. The annual depreciation of the implement is

  Options:
  A) ₦4,300
  B) ₦3,125
  C) ₦2,050
  D) ₦1,075
  Show Answer
  The correct answer is C .