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 351:

  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 352:

  What is the purpose of using a scale of preference in agricultural decision-making?

  Options:
  A) To evaluate the environmental impact of farming practices
  B) To determine the most profitable crops to cultivate
  C) To allocate resources effectively among different activities
  D) To prioritize agricultural tasks based on urgency
  Show Answer
  The correct answer is C .
• Question 353:

  Which of the following routine maintenance in a tractor is necessary on daily basis?

  Options:
  A) Draining of the gear box oil.
  B) Removing and cleaning of engines air filter
  C) Replacing of the fuel filter element.
  D) Checking of the oil level in the engine.
  Show Answer
  The correct answer is D .
• Question 354:

  Which of the following is a friend of farmer

  Options:
  A) earthworm
  B) aphid
  C) grasshopper
  D) termite
  Show Answer
  The correct answer is A .
• Question 355:

  The kind of tillage method most suitable for maize is

  Options:
  A) zero tillage
  B) minimum tillage
  C) maximum tillage
  D) contour ridges
  Show Answer
  The correct answer is B .
• Question 356:

  What is the primary goal of agricultural extension services in the field of agricultural economics?

  Options:
  A) Promoting sustainable farming practices
  B) Maximizing crop yields
  C) Enhancing market access for farmers
  D) Increasing farm profits
  Show Answer
  The correct answer is C .
• Question 357:

  Farm surveying equipment include the following except

  Options:
  A) Abney level
  B) Compass
  C) Spade
  D) Gunter's chain
  Show Answer
  The correct answer is C .
• Question 358:

  Which of the following will be responsible for the poor yield of fertile soil in a high rainfall area?

  Options:
  A) leaching of soil nutrients
  B) very low pH value of land
  C) lack of soil microbes
  D) high alkalinity of soil
  Show Answer
  The correct answer is A .
• Question 359:

  What does the term "recombinant DNA" refer to in biotechnology?

  Options:
  A) DNA synthesized in a laboratory
  B) DNA replicated using polymerase chain reaction (PCR)
  C) DNA extracted from ancient fossils
  D) DNA modified to contain genes from different organisms
  Show Answer
  The correct answer is D .
• Question 360:

  Improvement of yam through breeding is difficult because

  Options:
  A) it possesses no sexual reproductive system
  B) naturally growing types have to be used
  C) its rapid multiplication is very difficult
  D) its genes do not segregate
  Show Answer
  The correct answer is A .