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 401:

  An increase in supply of agricultural produce can be caused by the following factors except

  Options:
  A) reduced cost of production
  B) favourable weather conditions
  C) reduced taxation
  D) consumers buying less products
  Show Answer
  The correct answer is D .
• Question 402: An advantage of weeds is that they are used to Options:
  A) control insect pest
  B) check grazing by animals
  C) check erosion
  D) control diseases.
  Show Answer
  The correct answer is C .
• Question 403:

  Which of the following is not an example of edaphic factors?

  Options:
  A) rocks
  B) soil
  C) topography
  D) storm
  Show Answer
  The correct answer is D .
• Question 404:

  Legumes that produce edible seeds are known as

  Options:
  A) pulses
  B) grains
  C) cereals
  D) beverages
  Show Answer
  The correct answer is A .
• Question 405: Which of the following factors are causes of deforestation in West Africa? I. expansion of cultivated land II. high population growth rate III. conservation of wildlife in game reserves IV. urban growth Options:
  A) I,II and III only
  B) II,III and IV only
  C) I,II and IV only
  D) I,II,III and IV
  Show Answer
  The correct answer is C .
• Question 406: 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 .
• Question 407:

  Which of the following is not a sign of animal approaching parturition?

  Options:
  A) soft, pliable and swollen vulva
  B) relaxed cervix
  C) full mammary gland
  D) drop in milk productio
  Show Answer
  The correct answer is D .
• Question 408:

  Selection based on the performance of ancestors is referred to as

  Options:
  A) family selection
  B) pedigree selection
  C) progeny selection
  D) line selection.
  Show Answer
  The correct answer is B .
• Question 409:

  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 410:

  Which of the following is not a source of farm power?

  Options:
  A) wind
  B) bull
  C) tractor
  D) plough
  Show Answer
  The correct answer is D .