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 91:

  Which of the following is NOT a principle of agronomy?

  Options:
  A) Controlling pests and diseases
  B) Managing soil fertility
  C) Promoting biodiversity conservation
  D) Maximizing crop yield
  Show Answer
  The correct answer is C .
• Question 92:

  Which of the following is a primary function of the digestive system?

  Options:
  A) Regulation of body temperature
  B) Oxygen transport
  C) Production of hormones
  D) Absorption of nutrients
  Show Answer
  The correct answer is D .
• Question 93: Which of the following statements about soil organisms is false? Options:
  A) soil pH will attack population of soil organisms
  B) population of soil living organisms is increased with increase in soil organic matter
  C) soil with good texture and structure cannot harbour soil microbes
  D) soil temperature affects the activities of soil organisms
  Show Answer
  The correct answer is C .
• Question 94:

  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 95:

  Which of the following parts of plants are normally used for vegetative propagation?

  Options:
  A) Fruit, leaf and root.
  B) Stem, root and leaf.
  C) Fruit, leaf and flower
  D) Leaf, flower and stem.
  Show Answer
  The correct answer is B .
• Question 96: The correct sequence of feed utilization in farm animals is Options:
  A) digestion-ingestion-absorption-assimilation
  B) ingestion-digestion-assimilation-absorption
  C) ingestion-digestion-assimilation
  D) digestion-assimilation-ingestion-absorption
  Show Answer
  The correct answer is C .
• Question 97:

  The hormone responsible for milk let down in female farm animals is

  Options:
  A) testosterone
  B) FSH
  C) Oxytosin
  D) androgen
  Show Answer
  The correct answer is C .
• Question 98:

  All but one are related to surface irrigation?

  Options:
  A) Mole drainage
  B) Natural flooding
  C) Sprinkler irrigation
  D) Check flooding
  Show Answer
  The correct answer is D .
• Question 99:

  Which of the following cereal crops most requires nursery practices?

  Options:
  A) Maize
  B) Rice
  C) Millet
  D) Guinea corn
  Show Answer
  The correct answer is B .
• Question 100:

  What is the primary purpose of agricultural mechanization?

  Options:
  A) Promoting sustainable irrigation techniques
  B) Increasing crop diversity in farming systems
  C) Reducing labor requirements in agriculture
  D) Enhancing organic farming practices
  Show Answer
  The correct answer is C .