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:

  Which of the following is a hand tool commonly used in agriculture for cutting grass or crops?

  Options:
  A) Harrow
  B) Plow
  C) Scythe
  D) Seeder
  Show Answer
  The correct answer is C .
• Question 2:

  Which of the following is not a characteristic of metamorphic rock?

  Options:
  A) they are colourless
  B) some occur in layers
  C) they may contain fossils
  D) they may be hard and massive
  Show Answer
  The correct answer is C .
• Question 3:

  The N'dama breed of cattle is primarily raised for

  Options:
  A) Fiber production
  B) Meat production
  C) Milk production
  D) Draft power
  Show Answer
  The correct answer is B .
• Question 4:

  Some of the by-products of fish include the following except

  Options:
  A) Fish meal
  B) Leather
  C) Oil
  D) Fish silage
  Show Answer
  The correct answer is B .
• Question 5: Government plays important role in the development of agriculture through the following means except Options:
  A) provision of subsidies
  B) training of farmers children
  C) establishment of agricultural development programmes
  D) establishment of farm settglements
  Show Answer
  The correct answer is A .
• Question 6:

  What does the scale of preference represent in agricultural decision-making?

  Options:
  A) The ranking of available choices based on personal preference
  B) The availability of resources for agricultural production
  C) The total cost of implementing different agricultural practices
  D) The market demand for agricultural products
  Show Answer
  The correct answer is A .
• Question 7:

  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 8:

  Calculate the salvage value of a tractor with a depreciation value of ₦10,580.00 and initial cost of ₦50,000 after a year of use

  Options:
  A) ₦10,580
  B) ₦30,290
  C) ₦39,420
  D) ₦60,580
  Show Answer
  The correct answer is C .
• Question 9:

  Which of the following groups of crops requires a nursery?

  Options:
  A) cotton,sorghum and tomato
  B) oil palm, cocoa and tomato
  C) cocoa, maize and rice
  D) banana, coffee and tomato
  Show Answer
  The correct answer is C .
• Question 10:

  What does the term "recombinant DNA" refer to in biotechnology?

  Options:
  A) DNA synthesized in a laboratory
  B) DNA replicated using polymerase chain reaction (PCR)
  C) DNA extracted from ancient fossils
  D) DNA modified to contain genes from different organisms
  Show Answer
  The correct answer is D .