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 21:

  Which of the weeds is dispersed by wind?

  Options:
  A) pig weed (Boerhavia diffusa)
  B) goat weed (Ageratum conizoides)
  C) Hause thorns (Acanthospermum hispidum)
  D) Tridax (Tridax procumbeus)
  Show Answer
  The correct answer is D .
• Question 22:

  The following are necessary operations in maize cultivation except?

  Options:
  A) weeding
  B) thinning
  C) nursery practices
  D) fertilizer application
  Show Answer
  The correct answer is C .
• Question 23:

  Daily management routines in poultry include the following except

  Options:
  A) egg collection
  B) debeaking
  C) water and feed provision
  D) health care
  Show Answer
  The correct answer is B .
• Question 24: Sexual maturity in farm animal is not influenced by their Options:
  A) breed
  B) sex
  C) nutrition
  D) weaning age
  Show Answer
  The correct answer is B .
• Question 25:

  The average weather condition of a place, measured over a long period of time is called

  Options:
  A) climate
  B) wind
  C) rainfall
  D) temperature
  Show Answer
  The correct answer is A .
• Question 26:

  What is crop rotation?

  Options:
  A) Growing of crops one after the other in a particular sequence
  B) Growing more than one crop at a time
  C) Growing of an associate crop in between the rows of the main crop
  D) Growing of crops together in strips
  Show Answer
  The correct answer is A .
• Question 27:

  What is the primary function of the reproductive system in farm animals?

  Options:
  A) Digestion of food
  B) Reproduction and propagation of the species
  C) Production of milk for offspring
  D) Maintenance of body temperature
  Show Answer
  The correct answer is B .
• Question 28:

  Water yam is also known as

  Options:
  A) Dioscorea alata
  B) Dioscorea cayenesis
  C) Dioscorea rotundata
  D) Dioscorea bulbifera
  Show Answer
  The correct answer is A .
• Question 29:

  A soil with pH2 can be described as

  Options:
  A) moderately acidic
  B) moderately alkaline
  C) highly acidic
  D) highly alkaline
  Show Answer
  The correct answer is C .
• Question 30: The following crops will enrich the soil with nitrates except Options:
  A) calopogonium
  B) pueraria
  C) centrosema
  D) exoriepus
  Show Answer
  The correct answer is D .