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 101:

  The most unreliable source of power on the farm is

  Options:
  A) heat engine
  B) wind
  C) electricity
  D) animal
  Show Answer
  The correct answer is B .
• Question 102:

  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 103:

  Which branch of ecology deals with the study of an individual organism and its interaction with the environment is

  Options:
  A) embryology
  B) symbiosis
  C) entomology
  D) autecology
  Show Answer
  The correct answer is D .
• Question 104:

  The main source of power for subsistence agriculture is

  Options:
  A) animal
  B) machine
  C) electricity
  D) man
  Show Answer
  The correct answer is D .
• Question 105:

  __________ is the distance of the sown seed in the soil from the soil surface

  Options:
  A) Planting height
  B) Planting depth
  C) Planting width
  D) Plant deep
  Show Answer
  The correct answer is B .
• Question 106:

  

  During which of the following plant propagation methods is the tool represented used?

  Options:
  A) Seed planting
  B) Seedling transplant
  C) Budding
  D) Layering
  Show Answer
  The correct answer is C .
• Question 107:

  A condition in which a gene does not manifest observable characteristics in the presence of its dominant allele is known as

  Options:
  A) dominance
  B) mutation
  C) recessiveness
  D) homozygosity
  Show Answer
  The correct answer is C .
• Question 108:

  The B-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 B .
• Question 109:

  The quantity of rice that a consumer is willing and able to buy during a given period is simply the consumer's

  Options:
  A) demand for rice
  B) elastic limit
  C) supply of rice
  D) preference for rice
  Show Answer
  The correct answer is A .
• Question 110:

  Improvement of yam through breeding is difficult because

  Options:
  A) it possesses no sexual reproductive system
  B) naturally growing types have to be used
  C) its rapid multiplication is very difficult
  D) its genes do not segregate
  Show Answer
  The correct answer is A .