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 301:

  Which of the following is NOT a component of soil?

  Options:
  A) Organic matter
  B) Water
  C) rubber
  D) Minerals
  Show Answer
  The correct answer is C .
• Question 302: A detrimental effect of bush burning is that it Options:
  A) destroys soil organic matter
  B) destroys weed seeds
  C) sterilizes the soil
  D) adds potash to the soil
  Show Answer
  The correct answer is A .
• Question 303:

  There are________ Steps or stages of Diffusion process

  Options:
  A) Two
  B) Three
  C) Four
  D) Five
  Show Answer
  The correct answer is D .
• Question 304:

  One of the followings is not a basic consideration in planting operations

  Options:
  A) Planting space
  B) Planting time
  C) Planting depth
  D) Planting weed
  Show Answer
  The correct answer is D .
• Question 305: Which of the following statements about agricultural development is true? It leads to I. increased processing of produce II. increased food production III. high productivity IV. increased agricultural labour force Options:
  A) I, II and III only
  B) I,II and IV only
  C) I,III and IV only
  D) II,III and IV only
  Show Answer
  The correct answer is A .
• Question 306:

  One major difference between disc plough and disc harrow is

  Options:
  A) Disc plough is used to create wider ridges on the field than disc Harrow
  B) A disc plough can have up to 54 discs on it at once whereas a disc harrow can have up to 6 disc
  C) Disc plough is used to tilled the disc harrowed land
  D) The disc part of plough is notched while that of harrow is round
  Show Answer
  The correct answer is A .
• Question 307:

  Which of the following factors usually affects the colour of egg yolk?

  Options:
  A) age of the laying hen
  B) type of housing
  C) type of feed
  D) colour of the cock
  Show Answer
  The correct answer is C .
• Question 308:

  Gummosis disease of citrus is caused by

  Options:
  A) aphids
  B) fungi
  C) white flies
  D) bacteria
  Show Answer
  The correct answer is B .
• Question 309:

  Which of the following sources of farm power is most versatile in West Africa?

  Options:
  A) Biogas
  B) animal
  C) wind
  D) water
  Show Answer
  The correct answer is B .
• Question 310:

  The main mode of infection of rinderpest disease in cattle is through

  Options:
  A) grazing
  B) drinking
  C) contact
  D) inhalation
  Show Answer
  The correct answer is D .