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 171:

  The following are necessary operations in maize cultivation except?

  Options:
  A) weeding
  B) thinning
  C) nursery practices
  D) fertilizer application
  Show Answer
  The correct answer is C .
• Question 172:

  __________ is a special place prepared for raising seedlings which are later taken to the field for proper planting.

  Options:
  A) Nursery
  B) Seed space
  C) Primary
  D) Secondary
  Show Answer
  The correct answer is A .
• Question 173:

  The fertility of soils under forest is sustained mainly by

  Options:
  A) nutrient recycling
  B) rodent activities
  C) being protected from direct rays of the sun
  D) preventing raindrops from directly hitting the soil.
  Show Answer
  The correct answer is A .
• Question 174:

  The most common soil mineral found in all crystalline rocks and a main constituent of granite and sandstone is

  Options:
  A) biotite
  B) quartz
  C) mica
  D) granite
  Show Answer
  The correct answer is B .
• Question 175:

  The type of labour available to peasant farmers is

  Options:
  A) family labour
  B) paid labour
  C) skilled labour
  D) migrant labour
  Show Answer
  The correct answer is A .
• Question 176:

  Which of the following is not component of soil?

  Options:
  A) air
  B) water
  C) organic matter
  D) texture
  Show Answer
  The correct answer is D .
• Question 177:

  Forages that are chopped green and fed directly to livestock are referred to as

  Options:
  A) hay
  B) silage
  C) fodder
  D) soilage.
  Show Answer
  The correct answer is D .
• Question 178:

  What does the scale of preference represent in agricultural decision-making?

  Options:
  A) The ranking of available choices based on personal preference
  B) The availability of resources for agricultural production
  C) The total cost of implementing different agricultural practices
  D) The market demand for agricultural products
  Show Answer
  The correct answer is A .
• Question 179:

  Which of the following is not a quality for selecting livestock?

  Options:
  A) feed consumption
  B) egg production
  C) mortality rate
  D) body weight
  Show Answer
  The correct answer is C .
• Question 180:

  Which of the following routine maintenance in a tractor is necessary on daily basis?

  Options:
  A) Draining of the gear box oil.
  B) Removing and cleaning of engines air filter
  C) Replacing of the fuel filter element.
  D) Checking of the oil level in the engine.
  Show Answer
  The correct answer is D .