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 21:

  The major reason which necessitates the expansion of agriculture is the increase in

  Options:
  A) rainfalls
  B) population
  C) manpower
  D) animal power
  Show Answer
  The correct answer is B .
• Question 22:

  Which of the following agricultural extensions aims at reaching a large number of farmers at the same time?

  Options:
  A) mass method
  B) group method
  C) individual method
  D) contact method
  Show Answer
  The correct answer is A .
• Question 23:

  How are farm animals classified based on their feeding habits?

  Options:
  A) By their reproductive strategies
  B) By their feeding preferences
  C) By their geographical distribution
  D) By their size and weight
  Show Answer
  The correct answer is B .
• Question 24:

  Which of the following is a method of plant propagation that involves the use of plant parts?

  Options:
  A) Seed propagation
  B) Tissue culture
  C) Layering
  D) Grafting
  Show Answer
  The correct answer is D .
• Question 25:

  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 26:

  In subsistence agriculture,

  Options:
  A) yields are usually high
  B) surplus produced is small
  C) savings are made
  D) farm sizes are large
  Show Answer
  The correct answer is B .
• Question 27:

  Which of the following is a form of land ownership in which an individual holds complete ownership and control over a piece of land?

  Options:
  A) Tenancy
  B) Freehold
  C) Leasehold
  D) Commonhold
  Show Answer
  The correct answer is B .
• Question 28:

  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 29:

  Water yam is also known as

  Options:
  A) Dioscorea alata
  B) Dioscorea cayenesis
  C) Dioscorea rotundata
  D) Dioscorea bulbifera
  Show Answer
  The correct answer is A .
• Question 30:

  The practice of bee farming is called

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