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 61: Yellow colouration of the lower leave of a growing maize plant may be due to deficiency in Options:
  A) potassium
  B) phosphorus
  C) zinc
  D) nitrogen
  Show Answer
  The correct answer is D .
• Question 62:

  The optimum temperature for storing yam tuber under cold storage is

  Options:
  A) 7°C
  B) 9°C
  C) 13°C
  D) 15°C
  Show Answer
  The correct answer is A .
• Question 63:

  Which of the following is NOT an agent of pollination in plants?

  Options:
  A) Bees
  B) Wind
  C) Water
  D) Fungi
  Show Answer
  The correct answer is D .
• Question 64:

  Gummosis disease of citrus is caused by

  Options:
  A) aphids
  B) fungi
  C) white flies
  D) bacteria
  Show Answer
  The correct answer is B .
• Question 65: The most devastating agent of erosion is Options:
  A) wild wind
  B) slope
  C) run-off water
  D) rodents.
  Show Answer
  The correct answer is C .
• Question 66:

  The Balami is a breed of

  Options:
  A) Pig
  B) Sheep
  C) Goat
  D) Cattle
  Show Answer
  The correct answer is B .
• Question 67:

  Which of the following is an example of a monogastric animal?

  Options:
  A) Goat
  B) Cow
  C) Chicken
  D) Sheep
  Show Answer
  The correct answer is C .
• Question 68:

  Investments with long life span in agricultural economics are otherwise known as

  Options:
  A) capital
  B) entrepreneurship
  C) savings deposit
  D) profit
  Show Answer
  The correct answer is A .
• Question 69:

  The process of stopping a young animal from milk and placing it under hand feeding is

  Options:
  A) culling
  B) breeding
  C) weaning
  D) isolation
  Show Answer
  The correct answer is C .
• Question 70:

  Roles of an extension agent includes the following except

  Options:
  A) He does not liaises with other agencies
  B) He plans and executes farming educational programmes
  C) He supervises the utilization of agricultural loans
  D) He conducts or organizes training for farmers
  Show Answer
  The correct answer is A .