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 281:

  What is rock weathering and how does it affect agriculture?

  Options:
  A) Rock weathering is the process of rocks eroding and washing away from agricultural fields
  B) Rock weathering is the process of breaking down rocks into smaller fragments
  C) Rock weathering is the process of rocks decomposing and releasing nutrients into the soil
  D) Rock weathering is the process of rocks absorbing water and expanding in size
  Show Answer
  The correct answer is B .
• Question 282:

  Which of the following activities is correct about agricultural extension agent?

  Options:
  A) teaching farmers the management of exotic breeds of animals and crops
  B) educating farmers on the use of improved inputs and techniques in agriculture
  C) training school leavers to become professional farmers
  D) encouraging graduates to take up agriculture as a profession
  Show Answer
  The correct answer is B .
• Question 283:

  What is the primary objective of agricultural research?

  Options:
  A) Developing new farming technologies
  B) Increasing crop diversity
  C) Promoting organic farming practices
  D) Enhancing agricultural productivity and sustainability
  Show Answer
  The correct answer is D .
• Question 284:

  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 285:

  The practice of bee farming is called

  Options:
  A) Apiculture
  B) Heliculture
  C) Forestry
  D) Agronomy
  Show Answer
  The correct answer is A .
• Question 286:

  Methods of preserving fish include the following except

  Options:
  A) boiling
  B) drying
  C) smoking
  D) salting
  Show Answer
  The correct answer is A .
• Question 287: The use of animal traction is limited in the forest zones of West Africa because of the Options:
  A) topography of the forest land
  B) presence of tsetseflies
  C) high amount of rainfall
  D) culture of the people
  Show Answer
  The correct answer is B .
• Question 288: Limitations of farm mechanization in West Africa do not include Options:
  A) land fragmentation
  B) high capital investment
  C) availability of spare parts
  D) high level technical know-how
  Show Answer
  The correct answer is A .
• Question 289: The correct sequence for the use of coupled implements for land preparation is Options:
  A) plough,horrow and ridger
  B) harrow,ridger and plough
  C) plough,ridger and harrow
  D) harrow,plough and ridger
  Show Answer
  The correct answer is A .
• Question 290:

  Callosobruchus maculates is a common pest of

  Options:
  A) maize
  B) cowpea
  C) rice
  D) millet
  Show Answer
  The correct answer is B .