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 21:

  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 22:

  What happens to the price of a agricultural product when demand exceeds supply?

  Options:
  A) The price fluctuates randomly
  B) The price decreases
  C) The price remains unchanged
  D) The price increases
  Show Answer
  The correct answer is D .
• Question 23:

  If 100 pieces of pests is attacking an hectare of cocoa farm and 25% suddenly died while 40% of the remnant is sent for medical examination. What is the number of pest remaining?

  Options:
  A) 45
  B) 50
  C) 25
  D) 75
  Show Answer
  The correct answer is A .
• Question 24:

  The causative organism of maize rust is?

  Options:
  A) Nematoda
  B) Insect
  C) Bacterium
  D) Fungus
  Show Answer
  The correct answer is D .
• Question 25:

  Which of the following fruit is a capsule?

  Options:
  A) Okra
  B) Apple
  C) Mango
  D) Coconut
  Show Answer
  The correct answer is A .
• Question 26:

  Management practices in a piggery include the following except

  Options:
  A) disinfecting pens
  B) regular cleaning of feed and water troughs
  C) isolating sick animals
  D) weekly vaccination of pigs
  Show Answer
  The correct answer is D .
• Question 27:

  Which of the following is not an advantage of drip-irrigation?

  Options:
  A) fertilizers can be applied through the system
  B) there is reduction in the concentration of salt in the root zone
  C) the system operates on a much lower line pressure than sprinkler system
  D) its efficiency on water distribution in steep slopes is poor
  Show Answer
  The correct answer is D .
• Question 28:

  Rain water is made available to crops through

  Options:
  A) evaporation
  B) transpiration
  C) surface drainage
  D) root absorbtion
  Show Answer
  The correct answer is D .
• Question 29:

  What is the primary purpose of mixed cropping in agriculture?

  Options:
  A) Maximizing the yield of a single crop
  B) Simplifying farm management practices
  C) Enhancing soil fertility through crop rotation
  D) Reducing the risk of crop failure
  Show Answer
  The correct answer is D .
• Question 30:

  What is the primary focus of animal husbandry in agriculture?

  Options:
  A) Veterinary care for domestic pets
  B) Protection of wildlife habitats
  C) Breeding and management of farm animals
  D) Crop cultivation for livestock feed
  Show Answer
  The correct answer is C .