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 311:

  Some of the by-products of fish include the following except

  Options:
  A) Fish meal
  B) Leather
  C) Oil
  D) Fish silage
  Show Answer
  The correct answer is B .
• Question 312:

  The demand for agricultural produce is generally

  Options:
  A) elastic
  B) inelastic
  C) unitary
  D) static
  Show Answer
  The correct answer is B .
• Question 313:

  The introduction of proper planktons species into the pond is referred to as

  Options:
  A) fertilization
  B) innoculation
  C) stocking
  D) liming.
  Show Answer
  The correct answer is B .
• Question 314:

  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 315:

  Maize grows best on

  Options:
  A) Sandy soil
  B) Sandy-clay soil
  C) Loamy soil
  D) Silty-clay soil
  Show Answer
  The correct answer is C .
• Question 316: A regulatory control of diseases in crop production is Options:
  A) rouging
  B) quarantine
  C) crop rotation
  D) soil tillage
  Show Answer
  The correct answer is B .
• Question 317:

  The most common soil mineral found in all crystalline rocks and a main constituent of granite and sandstone is

  Options:
  A) biotite
  B) quartz
  C) mica
  D) granite
  Show Answer
  The correct answer is B .
• Question 318:

  What is the main use of a gunter's chain?

  Options:
  A) taking measurement of distance
  B) determining the depth of soil moisture
  C) calculating the slope of the land
  D) restraining bulls
  Show Answer
  The correct answer is A .
• Question 319:

  What is a potential disadvantage of mass media for farmers?

  Options:
  A) Lack of credibility in agricultural news
  B) Insufficient coverage of farming practices
  C) Limited access to information
  D) Increased cost of agricultural inputs
  Show Answer
  The correct answer is C .
• Question 320:

  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 .