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 81: 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 82:

  The main mode of infection of rinderpest disease in cattle is through

  Options:
  A) grazing
  B) drinking
  C) contact
  D) inhalation
  Show Answer
  The correct answer is D .
• Question 83:

  Broadcast Crop Planter is designed

  Options:
  A) to plant seeds along the rows in a ridge.
  B) to place the correct number of seed(s) into a hole with regular spacing within and between rows
  C) to plant seeds by random scattering of seeds about the field.
  D) to place the correct number of seeds into the soil
  Show Answer
  The correct answer is C .
• Question 84: If T represents the gene for tallness while t represents dwarfness. The genotypic ratio of the second filial generation will be Options:
  A) 3:1
  B) 1:2:1
  C) 2:2
  D) 4:0
  Show Answer
  The correct answer is B .
• Question 85:

  Which of the following surveying equipment is used for measuring angles during farm surveying?

  Options:
  A) Theodolite
  B) Measuring tape
  C) Gunter's chain
  D) Abney level
  Show Answer
  The correct answer is A .
• Question 86:

  In poultry nutrition, the minerals that prevent the laying of thin-shelled eggs are

  Options:
  A) calcium and phosphorus
  B) sodium and calcium
  C) phosphorus and sodium
  D) sulphur and phosphorus
  Show Answer
  The correct answer is A .
• Question 87: Cassava mosaic disease is transmitted by Options:
  A) Heteroligus meles
  B) Maruca testulalis
  C) Sesamia spp
  D) Bemisia nigerensis
  Show Answer
  The correct answer is D .
• Question 88:

  If 200 layers will consume 25kg of feed per day. Calculate the amount of feed consumed by a layer per day.

  Options:
  A) 0.25kg/day
  B) 0.2kg/day
  C) 0.5kg/day
  D) 0.125kg/day
  Show Answer
  The correct answer is D .
• Question 89:

  Which of the following is not a source of farm power?

  Options:
  A) wind
  B) Bull
  C) Tractor
  D) Plough
  Show Answer
  The correct answer is D .
• Question 90:

  Which of the following is not a branch of agriculture?

  Options:
  A) Horticulture
  B) Forestry
  C) Agronomy
  D) Zoology
  Show Answer
  The correct answer is D .