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 71:

  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 72:

  Subsistence agriculture is characterized by

  Options:
  A) used of machines
  B) large scale production
  C) small farm holdings
  D) intensive use of inputs
  Show Answer
  The correct answer is C .
• Question 73:

  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 74:

  What is the role of agricultural extension officers in the field of agriculture?

  Options:
  A) Providing financial assistance to farmers
  B) Marketing agricultural products to consumers
  C) Conducting research on new farming techniques
  D) Delivering agricultural education and training to farmers
  Show Answer
  The correct answer is D .
• Question 75:

  Selection based on the performance of ancestors is referred to as

  Options:
  A) family selection
  B) pedigree selection
  C) progeny selection
  D) line selection.
  Show Answer
  The correct answer is B .
• Question 76:

  The scientific name for guinea grass is

  Options:
  A) panicum maximum
  B) imperata cylindrica
  C) cynodon dactylon
  D) andropogon gayanus
  Show Answer
  The correct answer is A .
• Question 77:

  Which part of a tractor is responsible for providing power to the attached implements or machinery?

  Options:
  A) Steering system
  B) Transmission
  C) Engine
  D) Hydraulic system
  Show Answer
  The correct answer is D .
• Question 78:

  A variety of oil palm is

  Options:
  A) Amelonado
  B) Acuminata
  C) Tenera
  D) Trinitario
  Show Answer
  The correct answer is C .
• Question 79:

  The Mendelian law of segregation states that the characteristics which is hidden in an F1, reappears in F2 generation in a ratio

  Options:
  A) 1 : 2
  B) 2 : 2
  C) 1 : 3
  D) 3 : 2
  Show Answer
  The correct answer is C .
• Question 80:

  Which of the following factors influence agricultural production is biotic factor?

  Options:
  A) parasite
  B) soil PH
  C) topography
  D) soil texture
  Show Answer
  The correct answer is A .