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 51:

  When a cockerel is castrated, it becomes a

  Options:
  A) broiler
  B) cock
  C) layer
  D) capon
  Show Answer
  The correct answer is D .
• Question 52: Which of the following factors does not influence the distribution of cattle in West Africa? Options:
  A) pastures
  B) light
  C) diseases
  D) rainfall
  Show Answer
  The correct answer is B .
• Question 53:

  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 54: The correct sequence for the use of coupled implements for land preparation is Options:
  A) plough,horrow and ridger
  B) harrow,ridger and plough
  C) plough,ridger and harrow
  D) harrow,plough and ridger
  Show Answer
  The correct answer is A .
• Question 55:

  Which of the following nutrient element is a macro-nutrient?

  Options:
  A) phosphorus
  B) zinc
  C) iron
  D) manganese
  Show Answer
  The correct answer is A .
• Question 56:

  Which of the following factors usually affects the colour of egg yolk?

  Options:
  A) age of the laying hen
  B) type of housing
  C) type of feed
  D) colour of the cock
  Show Answer
  The correct answer is C .
• Question 57:

  Which of the following is a potential disadvantage of agricultural extension?

  Options:
  A) Lack of access to extension services in remote areas
  B) Increased farmer knowledge and skills
  C) Strengthened farmer-government relationships
  D) Enhanced adoption of improved farming practices
  Show Answer
  The correct answer is A .
• Question 58:

  Which of the following is an example of farm machinery used for planting seeds?

  Options:
  A) Combine harvester
  B) Harrow
  C) Tractor
  D) Seed drill
  Show Answer
  The correct answer is D .
• Question 59: Which of the following statements about agricultural development is true? It leads to I. increased processing of produce II. increased food production III. high productivity IV. increased agricultural labour force Options:
  A) I, II and III only
  B) I,II and IV only
  C) I,III and IV only
  D) II,III and IV only
  Show Answer
  The correct answer is A .
• Question 60:

  Fertile soil is one which

  Options:
  A) which easily drained
  B) is well aerated
  C) can produce a good harvest of cowpea
  D) contain all essential plant nutrients in suitable proportion
  Show Answer
  The correct answer is D .