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 251:

  A variety of oil palm is

  Options:
  A) Amelonado
  B) Acuminata
  C) Tenera
  D) Trinitario
  Show Answer
  The correct answer is C .
• Question 252:

  The act of giving birth in farm animals is called

  Options:
  A) brooding
  B) cloning
  C) parturtion
  D) gestation
  Show Answer
  The correct answer is C .
• Question 253:

  The animal dungs are used as_____to improve the soil fertility

  Options:
  A) inorganic manure
  B) organic manure
  C) content
  D) mulch
  Show Answer
  The correct answer is B .
• Question 254: Soil water that is available for root absorption at field capacity is Options:
  A) capillary water
  B) hygroscopic water
  C) gravitational water
  D) superfluous water
  Show Answer
  The correct answer is A .
• Question 255:

  When a cockerel is castrated, it becomes a

  Options:
  A) broiler
  B) cock
  C) layer
  D) capon
  Show Answer
  The correct answer is D .
• Question 256:

  Leguminous cover crops do not

  Options:
  A) bind the soil particles together through their roots
  B) increase the nitrogen content of soils
  C) aid in improving the soil organic matter content
  D) reduce the soil microbial population
  Show Answer
  The correct answer is D .
• Question 257:

  Miracidium is one of the stages in the life cycle of

  Options:
  A) roundworm
  B) liver fluke
  C) tapeworm
  D) tick
  Show Answer
  The correct answer is D .
• Question 258:

  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 259:

  Increase in farm produce is not usually improved by the

  Options:
  A) use of improved crop varieties
  B) Increased use of manure and fertilizer
  C) Improved sales of crop and livestock
  D) Use of better farm equipment and tools
  Show Answer
  The correct answer is C .
• Question 260:

  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 .