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 221:

  Rocks formed by the cooling and solidification of molten rocks called magma ejected from beneath the earth's crust is

  Options:
  A) Igneous rock
  B) Metamorphic rock
  C) Caleima rock
  D) Sedimentary rock
  Show Answer
  The correct answer is A .
• Question 222:

  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 223: In which layer of the soil profile does most biological activity occur? Options:
  A) parent material
  B) D-horizon
  C) C-horizon
  D) B-horizon
  E) A-horizon
  Show Answer
  The correct answer is E .
• Question 224:

  Which of the following groups of animals is usually kept in game reserves?

  Options:
  A) cattle, sheep and goats
  B) camels, donkeys and horses
  C) chicken, duck and turkeys
  D) lions, elephants and donkeys
  Show Answer
  The correct answer is D .
• Question 225:

  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 226:

  

  Use the diagram below to this answer this question.

  This type of root is associated with

  Options:
  A) nitrogen fixation
  B) photosynthesis
  C) storage of organic acids
  D) storage of minerals
  Show Answer
  The correct answer is A .
• Question 227:

  Ideal pH for coffee cultivation is

  Options:
  A) 4.0 - 4.5
  B) 5.0 - 5.5
  C) 6.0 - 6.5
  D) 6.5 - 7.5
  Show Answer
  The correct answer is D .
• Question 228: In animal production, newly-born rabbits are called Options:
  A) bunnies
  B) kids
  C) poults
  D) lambs
  Show Answer
  The correct answer is A .
• Question 229:

  Farm surveying can be defined as the

  Options:
  A) leveling of land during road construction
  B) sighting of structures through a theodolite
  C) making measurements on land from which maps are drawn
  D) estimation of the type and properties of soil on a farm
  Show Answer
  The correct answer is C .
• Question 230:

  The practice of mating closely related animals is called

  Options:
  A) pen mating
  B) cross breeding
  C) outbreeding
  D) inbreeding
  Show Answer
  The correct answer is D .