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 231:

  Which of the followings is not an abiotic components of an ecosystem?

  Options:
  A) Temperature
  B) Oxygen
  C) Topography
  D) Micro-organisms
  Show Answer
  The correct answer is D .
• Question 232:

  During the processes of soil formation, the cracks or crevices that are first noticed on the rocks are normally caused by

  Options:
  A) ice
  B) man
  C) wind
  D) temperature
  Show Answer
  The correct answer is D .
• Question 233:

  What happens to the price of a agricultural product when demand exceeds supply?

  Options:
  A) The price fluctuates randomly
  B) The price decreases
  C) The price remains unchanged
  D) The price increases
  Show Answer
  The correct answer is D .
• Question 234:

  The following are the advantages of the sprinkler method of irrigation except

  Options:
  A) The system can be made automatic
  B) They are portable making them suitable for use
  C) Rate of application of irrigation water can be controlled
  D) The method may be difficult for local farmers to use
  Show Answer
  The correct answer is D .
• Question 235:

  The windmill is normally used as a source of power in

  Options:
  A) pumping well water
  B) soil drainage
  C) ridging
  D) erosion control
  Show Answer
  The correct answer is A .
• Question 236:

  The system in which a farmer uses a piece of land for a period and abandons it for another land is called

  Options:
  A) crop rotation
  B) mix cropping
  C) shifting cultivation
  D) leg farming
  Show Answer
  The correct answer is C .
• Question 237:

  The following are types of planters except

  Options:
  A) Broadcast crop planter
  B) Row crop planter
  C) Grain drill planter
  D) Ridger planter
  Show Answer
  The correct answer is D .
• Question 238:

  Heavy infestation of liver fluke causes poor absorption of fats in livestock by

  Options:
  A) blocking bile ducts thus preventing flow of bile
  B) destroying fat-digesting enzymes
  C) reducing ingestion of fats
  D) inhibiting the action of digestive enzymes
  Show Answer
  The correct answer is D .
• Question 239:

  Legumes are different from grasses, because

  Options:
  A) They have lesser protein content than grasses
  B) They form symbiotic relationship with bacteria, rhizobian, in the nodules of their roofs
  C) They are monocol plants
  D) They do not bear seeds
  Show Answer
  The correct answer is B .
• Question 240:

  Television, radio, posters, bulletin are ____ method of extension

  Options:
  A) group
  B) single
  C) mass media
  D) individual
  Show Answer
  The correct answer is C .