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 261:

  The following are advantages of using disc plough over mouldboard plough in West Africa except

  Options:
  A) Disc plough makes deeper cuts than mouldboard plough
  B) Disc plough buries weeds more completely than mouldboard plough
  C) The disc plough is designed to roll over stumps and obstacles which may easily damage the edges of mouldboard plough
  D) Mouldboard plough makes deeper cuts than disc plough
  Show Answer
  The correct answer is D .
• Question 262:

  What are the main components of soil?

  Options:
  A) Water, nutrients, and microorganisms
  B) Organic matter, minerals, and air
  C) Sand, silt, and clay
  D) All of the above
  Show Answer
  The correct answer is D .
• Question 263:

  Which of the following is NOT a principle of agronomy?

  Options:
  A) Controlling pests and diseases
  B) Managing soil fertility
  C) Promoting biodiversity conservation
  D) Maximizing crop yield
  Show Answer
  The correct answer is C .
• Question 264:

  The commonest method of land tenure in Nigeria is

  Options:
  A) Outright purchase
  B) State allocation
  C) Pledge
  D) Inheritance
  Show Answer
  The correct answer is D .
• Question 265:

  Which of the following combinations of farm inputs enhances the healthy growth of crops?

  Options:
  A) Tractor and cash
  B) Irrigation and fertilizer
  C) Work bull and implement
  D) Cutlass and sacks
  Show Answer
  The correct answer is B .
• Question 266:

  The study of insect pests of crops is called

  Options:
  A) entomology
  B) pathology
  C) agronomy
  D) synecology
  Show Answer
  The correct answer is A .
• Question 267:

  Callosobruchus maculates is a common pest of

  Options:
  A) maize
  B) cowpea
  C) rice
  D) millet
  Show Answer
  The correct answer is B .
• Question 268: If T represents the gene for tallness while t represents dwarfness. The genotypic ratio of the second filial generation will be Options:
  A) 3:1
  B) 1:2:1
  C) 2:2
  D) 4:0
  Show Answer
  The correct answer is B .
• Question 269:

  Government agricultural policies include the following except

  Options:
  A) increasing the production of food crops and animals
  B) increasing the efficiency of production of export crops
  C) supplying raw materials for use in local industries
  D) increasing the number of peasant farmers
  Show Answer
  The correct answer is D .
• Question 270:

  The average weather condition of a place, measured over a long period of time is called

  Options:
  A) climate
  B) wind
  C) rainfall
  D) temperature
  Show Answer
  The correct answer is A .