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 261:

  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 262:

  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 263:

  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 264:

  What is the primary goal of crop improvement in agriculture?

  Options:
  A) Reducing pest and disease resistance
  B) Expanding crop cultivation areas
  C) Increasing crop diversity
  D) Enhancing crop yield and quality
  Show Answer
  The correct answer is D .
• Question 265:

  What are biotic factors in an agricultural ecosystem?

  Options:
  A) Factors related to the climate and weather
  B) Factors related to the living organisms
  C) Factors related to the physical environment
  D) Factors related to the availability of nutrients
  Show Answer
  The correct answer is B .
• Question 266:

  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 267: Piglet anaemia can be controlled by using Options:
  A) sulphur drugs
  B) iron drugs
  C) anthelmintics
  D) antibiotics
  Show Answer
  The correct answer is B .
• Question 268:

  The incubation period for turkey is

  Options:
  A) 15 days
  B) 21 days
  C) 27 days
  D) 32 days
  Show Answer
  The correct answer is C .
• Question 269:

  The A-Horizon of soil profile is also called the

  Options:
  A) Top soil
  B) Sub-soil
  C) Parent materials
  D) Bedrock
  Show Answer
  The correct answer is A .
• Question 270:

  What is a soil profile, and what information does it provide in agricultural practices?

  Options:
  A) A soil profile is an analysis of soil microorganisms and their activities
  B) A soil profile is an assessment of soil compaction and drainage
  C) A soil profile is a vertical section of the soil that reveals its layers or horizons
  D) A soil profile is a measurement of soil pH and nutrient levels
  Show Answer
  The correct answer is C .