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:

  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 2:

  The following are extension methods except

  Options:
  A) mass media method
  B) group method
  C) individual method
  D) none of the above
  Show Answer
  The correct answer is D .
• Question 3:

  Which of the following is NOT a component of soil?

  Options:
  A) Organic matter
  B) Water
  C) rubber
  D) Minerals
  Show Answer
  The correct answer is C .
• Question 4:

  Which of the following groups of crops requires a nursery?

  Options:
  A) cotton,sorghum and tomato
  B) oil palm, cocoa and tomato
  C) cocoa, maize and rice
  D) banana, coffee and tomato
  Show Answer
  The correct answer is C .
• Question 5:

  All but one are qualities of a good extension worker

  Options:
  A) Organisational Ability
  B) Clear Judgement
  C) Initiative
  D) Involvement in local politics
  Show Answer
  The correct answer is D .
• Question 6:

  ______ introduce new ideas of farming seen in other places to their dwelling.

  Options:
  A) Innovators
  B) Early adopters
  C) Late adopters
  D) Never adopters
  Show Answer
  The correct answer is A .
• Question 7: An advantage of weeds is that they are used to Options:
  A) control insect pest
  B) check grazing by animals
  C) check erosion
  D) control diseases.
  Show Answer
  The correct answer is C .
• Question 8: 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 9:

  The most efficient irrigation method on large scale farms involve the use of

  Options:
  A) overhead irrigation facilities
  B) flooding system
  C) underground porous pipes
  D) shadoof system
  Show Answer
  The correct answer is A .
• Question 10:

  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 .