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:

  The maturity period of groundnut in month is

  Options:
  A) 1 - 2
  B) 2 - 3
  C) 4 - 5
  D) 6 - 7
  Show Answer
  The correct answer is C .
• Question 2:

  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 3:

  Crop rotation has the following effects on the soil except

  Options:
  A) maintenance of soil fertility
  B) reducing concentration of soil pests
  C) improving soil structure
  D) predisposing soil to leaching
  Show Answer
  The correct answer is D .
• Question 4:

  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 5:

  Which of the following is an important aspect of livestock management in agriculture?

  Options:
  A) Irrigation scheduling
  B) Fertilizer application rates
  C) Animal health and welfare
  D) Crop rotation techniques
  Show Answer
  The correct answer is C .
• Question 6:

  What is agricultural ecology?

  Options:
  A) The study of genetics and breeding techniques used in agriculture
  B) The study of climate change and its effects on agricultural productivity
  C) The study of ecological processes in agricultural systems and their interactions
  D) The study of agricultural practices and their economic impact on farmers
  Show Answer
  The correct answer is C .
• Question 7: Sexual maturity in farm animal is not influenced by their Options:
  A) breed
  B) sex
  C) nutrition
  D) weaning age
  Show Answer
  The correct answer is B .
• Question 8:

  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 9:

  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 10:

  What is the percentage water content of soil sample which weighed 180g when fresh and 120g when oven-dried?

  Options:
  A) 20.14%
  B) 25.00%
  C) 33.33%
  D) 60.00%
  Show Answer
  The correct answer is C .