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 261:

  Which of the following is not an advantage of drip-irrigation?

  Options:
  A) fertilizers can be applied through the system
  B) there is reduction in the concentration of salt in the root zone
  C) the system operates on a much lower line pressure than sprinkler system
  D) its efficiency on water distribution in steep slopes is poor
  Show Answer
  The correct answer is D .
• Question 262:

  A soil with the PH range of 6.1 to 6.9 can be described as

  Options:
  A) alkaline
  B) very acidic
  C) slightly alkaline
  D) slightly acidic
  Show Answer
  The correct answer is D .
• Question 263:

  Which of the following processes is not used in rice processing

  Options:
  A) Threshing
  B) Winnowing
  C) Perboiling
  D) Fermentation
  Show Answer
  The correct answer is D .
• Question 264:

  The main processes involved in the marketing of cotton include the following except

  Options:
  A) wedding
  B) processing
  C) grading
  D) packaging
  Show Answer
  The correct answer is A .
• Question 265:

  _______ is a secondary tillage implement

  Options:
  A) Harrow
  B) Plough
  C) Ridger
  D) Disc plough
  Show Answer
  The correct answer is A .
• Question 266:

  

  Use the following diagram below to answer this question.

  During which of the following plant propagation methods is the tool represented used?

  Options:
  A) Seed planting
  B) Seedling transplant
  C) Budding
  D) Layering
  Show Answer
  The correct answer is C .
• Question 267:

  Under normal circumstances, the concept of consumer sovereignty in agriculture implies that

  Options:
  A) the consumer and not the farmer determines what to produce
  B) both the farmer and the consumer determine what to produce
  C) the consumer and not the farmer owns the means of production
  D) the environmental factors determine what to produce
  Show Answer
  The correct answer is A .
• Question 268: Which of the following diseases commonly occur during brooding? I. yolk sac infection II. coccidiosis III. fowlpox IV. pullorum Options:
  A) I,II and III only
  B) I,II and IV only
  C) I,III and IV only
  D) I,II,III and IV
  Show Answer
  The correct answer is B .
• Question 269:

  Which of the following is the correct order for land preparation?

  Options:
  A) land clearing → ploughing → harrowing → ridging
  B) land clearing → harrowing → ploughing → ridging
  C) land clearing → ploughing → ridging → harrowing
  D) land clearing → harrowing → ridging → ploughing
  Show Answer
  The correct answer is A .
• Question 270:

  During the processes of soil formation, the cracks or crevices that are first noticed on the rocks are normally caused by

  Options:
  A) ice
  B) man
  C) wind
  D) temperature
  Show Answer
  The correct answer is D .