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:

  A periodic maintenance activity carried out using a farm tractor is

  Options:
  A) checking of radiator water
  B) checking of tire pressure
  C) cleaning after use
  D) changing of engine oil
  Show Answer
  The correct answer is C .
• Question 22:

  Ginger is propagated by

  Options:
  A) suckers
  B) rhizomes
  C) seeds
  D) tuber
  Show Answer
  The correct answer is B .
• Question 23:

  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 24: Which of the following factors are causes of deforestation in West Africa? I. expansion of cultivated land II. high population growth rate III. conservation of wildlife in game reserves IV. urban growth Options:
  A) I,II and III only
  B) II,III and IV only
  C) I,II and IV only
  D) I,II,III and IV
  Show Answer
  The correct answer is C .
• Question 25:

  Subsistence agriculture is characterized by

  Options:
  A) used of machines
  B) large scale production
  C) small farm holdings
  D) intensive use of inputs
  Show Answer
  The correct answer is C .
• Question 26:

  A good silage should be free of

  Options:
  A) moulds
  B) nutrients
  C) moisture
  D) fibre
  Show Answer
  The correct answer is A .
• Question 27:

  What are biotic factors in an agricultural ecosystem?

  Options:
  A) Factors related to the climate and weather
  B) Factors related to the living organisms
  C) Factors related to the physical environment
  D) Factors related to the availability of nutrients
  Show Answer
  The correct answer is B .
• Question 28:

  Dura, Tenera and Pisifera are all cultivated varieties of

  Options:
  A) coconut
  B) oil palm
  C) rubber
  D) banana
  Show Answer
  The correct answer is B .
• Question 29: A farming practice that encourages the depletion of soil fertility is Options:
  A) planting of cover crops
  B) crop rotation
  C) manual weeding
  D) continuous cropping
  Show Answer
  The correct answer is D .
• Question 30:

  ___________ consists of living factors(plants and animals) interacting with the non-living factors in a farm environment

  Options:
  A) Ecosystem
  B) Ecology
  C) Surroundings
  D) Community
  Show Answer
  The correct answer is A .