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 461: The forest management system which involves the planting of both food crops and forest trees on the same piece of land at the same time is known as Options:
  A) selective exploitation
  B) taungya
  C) regeneration
  D) afforestation
  Show Answer
  The correct answer is B .
• Question 462:

  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 .
• Question 463:

  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 464:

  ____________ is said to occur when a ration does not provide all the food nutrients in adequate quantities needed by animal.

  Options:
  A) Malnutrient
  B) Malnutritional
  C) Malnourish
  D) Malnutrition
  Show Answer
  The correct answer is D .
• Question 465:

  Which of the following is not a pre-planting operations?

  Options:
  A) land clearing
  B) Stumping
  C) Thinning
  D) Farm layout
  Show Answer
  The correct answer is C .
• Question 466:

  ________ is a disease condition which emanates from inadequate nutrition.

  Options:
  A) Nutritional deficiency
  B) Nutritional adequacy
  C) Nutritional efficiency
  D) Nutritional sufficiency
  Show Answer
  The correct answer is A .
• Question 467:

  Agricultural uses of land include

  Options:
  A) silviculture
  B) mining
  C) housing
  D) transportation
  Show Answer
  The correct answer is A .
• Question 468:

  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 .
• Question 469:

  In farm animals, gonads are organs associated with

  Options:
  A) circulation
  B) excretion
  C) respiration
  D) reproduction.
  Show Answer
  The correct answer is D .
• Question 470: Farm labour is usually measured in terms of Options:
  A) amount of wages paid to labour
  B) hours or days of work by labour
  C) level of education of labour
  D) type of work done by labour.
  Show Answer
  The correct answer is B .