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 181:

  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 182:

  ____________ 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 183: The anti-sterility vitamin in livestocks nutrition is Options:
  A) vitamin K
  B) vitamin E
  C) vitamin C
  D) vitamin B.
  Show Answer
  The correct answer is B .
• Question 184:

  Which of the following is not a problem of forest management?

  Options:
  A) absence of adequate information on the ecosystem
  B) inadequate support from government for the development of forest resources
  C) planting different varieties of timber
  D) indiscriminate destruction of forest resources by bush fire
  Show Answer
  The correct answer is C .
• Question 185: Soil water that is available for root absorption at field capacity is Options:
  A) capillary water
  B) hygroscopic water
  C) gravitational water
  D) superfluous water
  Show Answer
  The correct answer is A .
• Question 186:

  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 187: The correct sequence for the use of coupled implements for land preparation is Options:
  A) plough,horrow and ridger
  B) harrow,ridger and plough
  C) plough,ridger and harrow
  D) harrow,plough and ridger
  Show Answer
  The correct answer is A .
• Question 188:

  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 189:

  Records of money transactions in a farming business are termed

  Options:
  A) farm inputs
  B) farm accounts
  C) capital
  D) farm liabilities
  Show Answer
  The correct answer is B .
• Question 190:

  The following are advantages of using disc plough over mouldboard plough in West Africa except

  Options:
  A) Disc plough makes deeper cuts than mouldboard plough
  B) Disc plough buries weeds more completely than mouldboard plough
  C) The disc plough is designed to roll over stumps and obstacles which may easily damage the edges of mouldboard plough
  D) Mouldboard plough makes deeper cuts than disc plough
  Show Answer
  The correct answer is D .