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 41: The type of energy obtain from the sun is Options:
  A) hydro energy
  B) solar energy
  C) thermal energy
  D) wind energy.
  Show Answer
  The correct answer is B .
• Question 42:

  Which of the following is NOT an agent of pollination in plants?

  Options:
  A) Bees
  B) Wind
  C) Water
  D) Fungi
  Show Answer
  The correct answer is D .
• Question 43: If T represents the gene for tallness while t represents dwarfness. When a tall (TT) crop is crossed with a dwarf (tt) crop, the resultant crop will be Options:
  A) 100% dwarf
  B) 100% tall
  C) 50% tall and 50% dwarf
  D) 75% tall and 25% dwarf
  Show Answer
  The correct answer is B .
• Question 44:

  What are the important properties of soil in agriculture?

  Options:
  A) pH, organic matter content, and water-holding capacity
  B) Drainage, cation exchange capacity, and soil depth.
  C) All of the above
  D) Texture, structure, and fertility
  Show Answer
  The correct answer is C .
• Question 45:

  Methods of preserving fish include the following except

  Options:
  A) boiling
  B) drying
  C) smoking
  D) salting
  Show Answer
  The correct answer is A .
• Question 46: Which of the following crops has a fibrous root system? Options:
  A) cotton
  B) coffee
  C) cowpea
  D) sugarcane
  Show Answer
  The correct answer is D .
• Question 47:

  Which of the following may cause disease in a fish pond?

  Options:
  A) mixed stocking
  B) liming
  C) poor management practices
  D) harvesting
  Show Answer
  The correct answer is C .
• Question 48: Limitations of farm mechanization in West Africa do not include Options:
  A) land fragmentation
  B) high capital investment
  C) availability of spare parts
  D) high level technical know-how
  Show Answer
  The correct answer is A .
• Question 49:

  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 50: The instrument which enables a surveyor to find the direction of a base line is Options:
  A) abney level
  B) ranging pole
  C) plumb bob
  D) magnetic compass
  Show Answer
  The correct answer is D .