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: If T represents the gene for tallness while t represents dwarfness. The genotypic ratio of the second filial generation will be Options:
  A) 3:1
  B) 1:2:1
  C) 2:2
  D) 4:0
  Show Answer
  The correct answer is B .
• Question 2:

  What factors influence soil fertility in agriculture?

  Options:
  A) pH and soil structure
  B) Organic matter content and nutrient availability
  C) Soil texture and drainage
  D) All of the above
  Show Answer
  The correct answer is D .
• Question 3: Which of the following crops has a fibrous root system? Options:
  A) cotton
  B) coffee
  C) cowpea
  D) sugarcane
  Show Answer
  The correct answer is D .
• Question 4:

  Layer's ration contains more limestone than grower's ration because limestone

  Options:
  A) is difficult for the growers to digest
  B) stimulates layer's appetite
  C) reduces the acidity in the gut if growers
  D) supplies sufficient minerals to layers for shell formation
  Show Answer
  The correct answer is D .
• Question 5:

  ________ are less quick to accepting innovations which might be largely due to some of the aforementioned factors

  Options:
  A) Never adopters
  B) Late adopters
  C) Early adopters
  D) Innovators
  Show Answer
  The correct answer is C .
• Question 6:

  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 7:

  Plant breeders aim at obtaining the following except

  Options:
  A) tolerance to climatic extremes
  B) resistance to pests
  C) adaptation of pollination
  D) uniformity in the time of maturity
  Show Answer
  The correct answer is C .
• Question 8:

  The following are categories of farmers based on adoption of innovation except

  Options:
  A) Innovators
  B) Early adopters
  C) Late adopters
  D) Never innovators
  Show Answer
  The correct answer is D .
• Question 9:

  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 10:

  Farm survey equipment include the following except

  Options:
  A) cross staff
  B) Abney level
  C) datun
  D) chain
  Show Answer
  The correct answer is D .