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 31:

  A variety of oil palm is

  Options:
  A) Amelonado
  B) Acuminata
  C) Tenera
  D) Trinitario
  Show Answer
  The correct answer is C .
• Question 32:

  The alternate heating and cooling of rocks result in

  Options:
  A) sublimation
  B) volatilization
  C) solidification
  D) fragmentation
  Show Answer
  The correct answer is D .
• Question 33:

  Water yam is also known as

  Options:
  A) Dioscorea alata
  B) Dioscorea cayenesis
  C) Dioscorea rotundata
  D) Dioscorea bulbifera
  Show Answer
  The correct answer is A .
• Question 34:

  Which of the following rocks is formed from shale?

  Options:
  A) marble
  B) slate
  C) quartzite
  D) limestone
  Show Answer
  The correct answer is B .
• Question 35:

  The farm practices that does not have a very harmful effect on the soil is

  Options:
  A) Flooding
  B) Crop rotation
  C) Over grazing
  D) Bush burning
  Show Answer
  The correct answer is B .
• Question 36:

  Which of the following is a primary function of the digestive system?

  Options:
  A) Regulation of body temperature
  B) Oxygen transport
  C) Production of hormones
  D) Absorption of nutrients
  Show Answer
  The correct answer is D .
• Question 37:

  Increase in farm produce is not usually improved by the

  Options:
  A) use of improved crop varieties
  B) Increased use of manure and fertilizer
  C) Improved sales of crop and livestock
  D) Use of better farm equipment and tools
  Show Answer
  The correct answer is C .
• Question 38:

  The main objectives of agriculture is

  Options:
  A) income generation
  B) provision of employment
  C) food production
  D) provision of shelter
  Show Answer
  The correct answer is C .
• Question 39:

  Soil texture can be refered to as

  Options:
  A) distribution of soil particles in a given sample
  B) movement of water through the soil
  C) Distribution of the different sizes of soil particles
  D) The degree of soil aeration
  Show Answer
  The correct answer is C .
• Question 40:

  Output is higher in commercial agriculture because of the following reasons except

  Options:
  A) adequate finance
  B) cultivation of large hectares of land
  C) employment of large labour force
  D) utilization of complex farm machinery
  Show Answer
  The correct answer is C .