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 1:

  What are abiotic factors in an agricultural ecosystem?

  Options:
  A) Factors related to the living organisms
  B) Factors related to the availability of nutrients
  C) Factors related to the climate and weather
  D) Factors related to the physical environment
  Show Answer
  The correct answer is D .
• Question 2:

  Ginning is a method of processing

  Options:
  A) cocoa
  B) cotton
  C) oil palm
  D) palm kernel oil
  Show Answer
  The correct answer is B .
• Question 3:

  The most common grazing system in West Africa is

  Options:
  A) continuous grazing
  B) rotational grazing
  C) deferred grazing
  D) zero grazing
  Show Answer
  The correct answer is B .
• Question 4:

  If a crop requires 1.5kg phosphorus per hectare, how many kg of manure will be required per hectare if 1kg manure contains 0.32kg of phosphorus

  Options:
  A) 2.47kg
  B) 4.69kg
  C) 7.35kg
  D) 12.3kg
  Show Answer
  The correct answer is B .
• Question 5:

  Which of the following type of rations will supplies the animal with just the quantity of nutrients that are enough to enable the animal carry on with vital body activities without losing or gaining another substance

  Options:
  A) maintenance ration
  B) production ration
  C) balanced ration
  D) measured ration
  Show Answer
  The correct answer is A .
• Question 6:

  The type of labour available to peasant farmers is

  Options:
  A) family labour
  B) paid labour
  C) skilled labour
  D) migrant labour
  Show Answer
  The correct answer is A .
• Question 7:

  Gestation period is defined as the time

  Options:
  A) of fusion of the sperm and the egg
  B) between conception and parturition
  C) of release of ovum from the ovary
  D) of the birth of the young animal
  Show Answer
  The correct answer is B .
• Question 8:

  A piece of information contained in payroll record of farms is

  Options:
  A) date of employment
  B) equity
  C) income generated
  D) total credit.
  Show Answer
  The correct answer is A .
• Question 9:

  What is the term used to describe the deliberate modification of an organism's genetic material using biotechnology techniques?

  Options:
  A) Mutation
  B) Cloning
  C) Genetic engineering
  D) Hybridization
  Show Answer
  The correct answer is C .
• Question 10:

  Which of the following is not a component of an incubator ?

  Options:
  A) electric heater
  B) temperature
  C) thermostat
  D) Insulator
  Show Answer
  The correct answer is B .