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 1:

  All are factors to consider when planning a farmstead except?

  Options:
  A) Accessibility
  B) Topography
  C) Soil type
  D) Irrigation
  Show Answer
  The correct answer is D .
• Question 2:

  What is the primary purpose of storage facilities in agriculture?

  Options:
  A) Offering a workspace for farm laborers
  B) Storing and preserving harvested crops
  C) Providing shelter for farm animals
  D) Housing agricultural machinery and equipment
  Show Answer
  The correct answer is B .
• Question 3:

  The following are post planting operations except

  Options:
  A) Thinning
  B) Supplying
  C) Mulching
  D) Ridging
  Show Answer
  The correct answer is D .
• Question 4:

  Which of the following is not an advantage of drip-irrigation?

  Options:
  A) fertilizers can be applied through the system
  B) there is reduction in the concentration of salt in the root zone
  C) the system operates on a much lower line pressure than sprinkler system
  D) its efficiency on water distribution in steep slopes is poor
  Show Answer
  The correct answer is D .
• Question 5:

  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 6:

  Which of the following is not normally a pasture crop?

  Options:
  A) mucuna
  B) centrosema
  C) stylosanthes
  D) giant star grass
  Show Answer
  The correct answer is A .
• Question 7:

  What is the primary purpose of mixed cropping in agriculture?

  Options:
  A) Maximizing the yield of a single crop
  B) Simplifying farm management practices
  C) Enhancing soil fertility through crop rotation
  D) Reducing the risk of crop failure
  Show Answer
  The correct answer is D .
• Question 8:

  A serious pest of sweet potato whose larvae destroy the foliage is

  Options:
  A) leaf miners
  B) weevils mea
  C) mealy bugs
  D) aphids.
  Show Answer
  The correct answer is A .
• Question 9:

  The most active agent of physical weathering in arid regions is

  Options:
  A) wind
  B) water
  C) temperature
  D) ice
  Show Answer
  The correct answer is C .
• Question 10:

  The farm machinery used to sow seeds and apply fertilizer at the same time is

  Options:
  A) land clearing
  B) threshing
  C) ploughing
  D) harrowing
  Show Answer
  The correct answer is C .