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 41:

  Oil palm trees do well in soils with pH level of

  Options:
  A) 2.5 - 3.5
  B) 3.5 - 4.5
  C) 5.5 - 6.5
  D) 6.5 - 7.5
  Show Answer
  The correct answer is C .
• Question 42:

  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 43: Jute and kenaf thrive well in a soil that is Options:
  A) clayey
  B) sandy loam
  C) clayey loam
  D) humus.
  Show Answer
  The correct answer is B .
• Question 44:

  The factor of production whose reward is profit is

  Options:
  A) land
  B) labour
  C) capital
  D) entrepreneurship
  Show Answer
  The correct answer is D .
• Question 45:

  What is the percentage water content of soil sample which weighed 180g when fresh and 120g when oven-dried?

  Options:
  A) 20.14%
  B) 25.00%
  C) 33.33%
  D) 60.00%
  Show Answer
  The correct answer is C .
• Question 46:

  Birds temporarily store their food in the

  Options:
  A) crop
  B) gizzard
  C) proventriculus
  D) duodenum
  Show Answer
  The correct answer is A .
• Question 47:

  Selection based on the performance of ancestors is referred to as

  Options:
  A) family selection
  B) pedigree selection
  C) progeny selection
  D) line selection.
  Show Answer
  The correct answer is B .
• Question 48:

  The principles of agricultural extension includes the following except

  Options:
  A) Gain confidence of your audience
  B) Programmes must undergo continuous evaluation
  C) Programmes should be flexible
  D) Reduce the confidence of your audience
  Show Answer
  The correct answer is D .
• Question 49: Tomatoes are staked in order to Options:
  A) accelerate their growth
  B) induce flowering
  C) accelerate fruit ripening
  D) prevent rotting of fruits
  Show Answer
  The correct answer is D .
• Question 50:

  Maize is a very important crop because apart from serving as a staple, it

  Options:
  A) is ploughed into the soil to increase fertility
  B) can be processes into corn flakes
  C) forms the base of most livestock feeds
  D) is used for producing germ oil
  Show Answer
  The correct answer is C .