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 401:

  Given a normal situation, what effect will an increase in the supply of cowpea have on its market price? The price

  Options:
  A) increases
  B) decreases
  C) is unaffected
  D) is unpredictable
  Show Answer
  The correct answer is B .
• Question 402:

  Which of the following is an example of farm machinery used for planting seeds?

  Options:
  A) Combine harvester
  B) Harrow
  C) Tractor
  D) Seed drill
  Show Answer
  The correct answer is D .
• Question 403: Which of the following insects transmits swollen shoot disease of cocoa? Options:
  A) stem borer
  B) mealybug
  C) whitefly
  D) scale insect
  Show Answer
  The correct answer is B .
• Question 404:

  Which of the following is not a source of minerals in animal nutrition?

  Options:
  A) Palm oil
  B) Fish meal
  C) Blood meal
  D) Green pastures
  Show Answer
  The correct answer is A .
• Question 405:

  The part of the ruminant stomach from which digestive juices secreted is the

  Options:
  A) Rumen
  B) Reticulum
  C) Abomasum
  D) Paunch
  Show Answer
  The correct answer is C .
• Question 406:

  Which one of these is not a factor that affect change in supply of agricultural produce?

  Options:
  A) Technology
  B) Changes in the cost of production
  C) Changes in prices of commodity
  D) Fixed cost
  Show Answer
  The correct answer is D .
• Question 407:

  What is the process of removing the horns of cattle called?

  Options:
  A) Mating
  B) Dipping
  C) Dehorning
  D) Castration
  Show Answer
  The correct answer is C .
• Question 408:

  What is the primary characteristic of weeds in agriculture?

  Options:
  A) They are beneficial for crop growth
  B) They compete with crops for resources
  C) They are cultivated intentionally by farmers
  D) They do not require any maintenance
  Show Answer
  The correct answer is B .
• Question 409:

  In ponds, fish is usually caught with the following except

  Options:
  A) Pollution
  B) Hook and line
  C) Fish trap
  D) Cast net
  Show Answer
  The correct answer is A .
• Question 410:

  Some seeds are raised in the nursery because

  Options:
  A) The seedlings are weak
  B) The seedling are green
  C) The seedlings love the nursery
  D) So that they can get enough sunshine
  Show Answer
  The correct answer is A .