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:

  What is the primary function of the reproductive system in farm animals?

  Options:
  A) Digestion of food
  B) Reproduction and propagation of the species
  C) Production of milk for offspring
  D) Maintenance of body temperature
  Show Answer
  The correct answer is B .
• Question 12:

  Which of the weeds is dispersed by wind?

  Options:
  A) pig weed (Boerhavia diffusa)
  B) goat weed (Ageratum conizoides)
  C) Hause thorns (Acanthospermum hispidum)
  D) Tridax (Tridax procumbeus)
  Show Answer
  The correct answer is D .
• Question 13:

  Ginning is a method of processing

  Options:
  A) cocoa
  B) cotton
  C) oil palm
  D) palm kernel oil
  Show Answer
  The correct answer is B .
• Question 14:

  What is rock weathering and how does it affect agriculture?

  Options:
  A) Rock weathering is the process of rocks eroding and washing away from agricultural fields
  B) Rock weathering is the process of breaking down rocks into smaller fragments
  C) Rock weathering is the process of rocks decomposing and releasing nutrients into the soil
  D) Rock weathering is the process of rocks absorbing water and expanding in size
  Show Answer
  The correct answer is B .
• Question 15:

  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 16:

  Agricultural uses of land include

  Options:
  A) silviculture
  B) mining
  C) housing
  D) transportation
  Show Answer
  The correct answer is A .
• Question 17:

  The easiest method of determining soil texture in the field is by

  Options:
  A) moulding
  B) sieving
  C) sedimenting
  D) feeling
  Show Answer
  The correct answer is D .
• Question 18:

  Selection based on the performance of ancestors is referred to as

  Options:
  A) family selection
  B) pedigree selection
  C) progeny selection
  D) line selection.
  Show Answer
  The correct answer is B .
• Question 19:

  Which of the following activities is correct about agricultural extension agent?

  Options:
  A) teaching farmers the management of exotic breeds of animals and crops
  B) educating farmers on the use of improved inputs and techniques in agriculture
  C) training school leavers to become professional farmers
  D) encouraging graduates to take up agriculture as a profession
  Show Answer
  The correct answer is B .
• Question 20:

  Which of the following constitutes subsidy in agricultural enterprise?

  Options:
  A) supply of fertilizers to farmers at reduced price
  B) borrowing of money from a thrift society
  C) provision of money to farmers through commercial banks
  D) provision of services through cooperative societies
  Show Answer
  The correct answer is A .