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 111:

  An advantage of extensive system of rearing goats is

  Options:
  A) low labour requirement
  B) easy control of disease
  C) indiscriminate mating
  D) exposure to adverse weather conditions
  Show Answer
  The correct answer is A .
• Question 112:

  Output is higher in commercial agriculture because of the following reasons except

  Options:
  A) adequate finance
  B) cultivation of large hectares of land
  C) employment of large labour force
  D) utilization of complex farm machinery
  Show Answer
  The correct answer is C .
• Question 113:

  Rocks formed by the cooling and solidification of molten rocks called magma ejected from beneath the earth's crust is

  Options:
  A) Igneous rock
  B) Metamorphic rock
  C) Caleima rock
  D) Sedimentary rock
  Show Answer
  The correct answer is A .
• Question 114:

  Which one of these is not an advantage of newspaper as agricultural extension teaching methods?

  Options:
  A) It is restricted to only few literate farmer
  B) The pictures they often carry serves as useful teaching aids
  C) They are less expensive
  D) They can also be used in areas where there is no electricity
  Show Answer
  The correct answer is A .
• Question 115:

  Preservation of fish prevents the following except

  Options:
  A) Injury
  B) Spoilage
  C) Destruction
  D) Processing
  Show Answer
  The correct answer is D .
• Question 116:

  A variety of oil palm is

  Options:
  A) Amelonado
  B) Acuminata
  C) Tenera
  D) Trinitario
  Show Answer
  The correct answer is C .
• Question 117: 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 118:

  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 119:

  Which of the following is an example of a biotic factor in an agricultural ecosystem?

  Options:
  A) Rainfall
  B) Soil pH
  C) Temperature
  D) Crop pests
  Show Answer
  The correct answer is D .
• Question 120:

  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 .