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 311:

  The maturity period of groundnut in month is

  Options:
  A) 1 - 2
  B) 2 - 3
  C) 4 - 5
  D) 6 - 7
  Show Answer
  The correct answer is C .
• Question 312:

  What is crop rotation?

  Options:
  A) Growing of crops one after the other in a particular sequence
  B) Growing more than one crop at a time
  C) Growing of an associate crop in between the rows of the main crop
  D) Growing of crops together in strips
  Show Answer
  The correct answer is A .
• Question 313:

  Crops grown primarily for feeding animals are known as

  Options:
  A) vegetables
  B) forage
  C) cereal
  D) shrubs
  Show Answer
  The correct answer is B .
• Question 314: Which of the following statement is a disadvantage of human power? it Options:
  A) controls other sources of farm power
  B) brings about least damage
  C) is easily available and controlled
  D) has low output
  Show Answer
  The correct answer is D .
• Question 315:

  Which of the following is not an advantage of drip-irrigation?

  Options:
  A) fertilizers can be applied through the system
  B) there is reduction in the concentration of salt in the root zone
  C) the system operates on a much lower line pressure than sprinkler system
  D) its efficiency on water distribution in steep slopes is poor
  Show Answer
  The correct answer is D .
• Question 316:

  In subsistence agriculture

  Options:
  A) yields are usually high
  B) surplus produce is small
  C) savings are made
  D) farm sizes are large
  Show Answer
  The correct answer is B .
• Question 317:

  The characteristic symptoms of mosaic disease of crops is usually observed on

  Options:
  A) roots
  B) leaves
  C) stems
  D) fruits
  Show Answer
  The correct answer is B .
• Question 318:

  In which of the soil layer does most biological activity occur?

  Options:
  A) B - horizon
  B) C - horizon
  C) D - horizon
  D) A - horizon
  Show Answer
  The correct answer is D .
• Question 319: The causative organism of Avian influenza is a Options:
  A) bacterium
  B) virus
  C) fungus
  D) protozoan.
  Show Answer
  The correct answer is B .
• Question 320:

  What is the primary function of the reproductive system in farm animals?

  Options:
  A) Digestion of food
  B) Reproduction and propagation of the species
  C) Production of milk for offspring
  D) Maintenance of body temperature
  Show Answer
  The correct answer is B .