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 1:

  Root-knot disease of tomato is caused by

  Options:
  A) virus
  B) nematode
  C) bacterium
  D) fungus
  Show Answer
  The correct answer is B .
• Question 2:

  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 3:

  If urea fertilizer contains 46% nitrogen, calculate the amount of nitrogen in 25kg bag of fertilizer?

  Options:
  A) 11.5kg
  B) 13.5kg
  C) 21.5kg
  D) 26.5kg
  Show Answer
  The correct answer is A .
• Question 4:

  Which of the following fishing gears can be used for total harvesting of pond?

  Options:
  A) hook and line
  B) harpoon
  C) basket trap
  D) dragnet
  Show Answer
  The correct answer is D .
• Question 5:

  In subsistence agriculture,

  Options:
  A) yields are usually high
  B) surplus produced is small
  C) savings are made
  D) farm sizes are large
  Show Answer
  The correct answer is B .
• Question 6:

  Which of the following is not a branch of agriculture?

  Options:
  A) Forestry
  B) Fishery
  C) Kidding
  D) Agricultural economics
  Show Answer
  The correct answer is C .
• Question 7:

  The following conditions are necessary for germination except

  Options:
  A) adequate moisture
  B) viable seed
  C) zero temperature
  D) optimum temperature
  Show Answer
  The correct answer is C .
• Question 8:

  Which of the following is an example of agricultural technology?

  Options:
  A) Crop rotation
  B) Irrigation
  C) Organic farming
  D) Composting
  Show Answer
  The correct answer is B .
• Question 9:

  The data for feed consumption and weighing gain of four farm animals labelled P, Q, R and S are shown below.

  P -50kg feed consumed and 20kg weight gained Q -90kg feed consumed and 30kg weight gained R -100kg feed consumed and 25kg weight gained S - 150kg feed consumed and 30kg weight gained.

  Which of the following must efficient feed converter?

  Options:
  A) P
  B) Q
  C) R
  D) S
  Show Answer
  The correct answer is A .
• Question 10:

  The horizon of a soil profile which encourages the greatest level of microbial activity is

  Options:
  A) A - horizon
  B) B - horizon
  C) C - horizon
  D) D - horizon
  Show Answer
  The correct answer is A .