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 441:

  A condition in which a gene does not manifest observable characteristics in the presence of its dominant allele is known as

  Options:
  A) dominance
  B) mutation
  C) recessiveness
  D) homozygosity
  Show Answer
  The correct answer is C .
• Question 442:

  Rural farmers mostly obtain loans from

  Options:
  A) Government
  B) International Monetary Fund
  C) Merchant Banks
  D) Money Lenders
  Show Answer
  The correct answer is D .
• Question 443:

  The farm practices that does not have a very harmful effect on the soil is

  Options:
  A) Flooding
  B) Crop rotation
  C) Over grazing
  D) Bush burning
  Show Answer
  The correct answer is B .
• Question 444:

  Root-knot disease of tomato is caused by

  Options:
  A) virus
  B) nematode
  C) bacterium
  D) fungus
  Show Answer
  The correct answer is B .
• Question 445:

  A variety of oil palm is

  Options:
  A) Amelonado
  B) Acuminata
  C) Tenera
  D) Trinitario
  Show Answer
  The correct answer is C .
• Question 446:

  The principles of agricultural extension includes the following except

  Options:
  A) Gain confidence of your audience
  B) Programmes must undergo continuous evaluation
  C) Programmes should be flexible
  D) Reduce the confidence of your audience
  Show Answer
  The correct answer is D .
• Question 447: The use of animal traction is limited in the forest zones of West Africa because of the Options:
  A) topography of the forest land
  B) presence of tsetseflies
  C) high amount of rainfall
  D) culture of the people
  Show Answer
  The correct answer is B .
• Question 448:

  Which of the following will be responsible for the poor yield of fertile soil in a high rainfall area?

  Options:
  A) leaching of soil nutrients
  B) very low pH value of land
  C) lack of soil microbes
  D) high alkalinity of soil
  Show Answer
  The correct answer is A .
• Question 449:

  What are abiotic factors in an agricultural ecosystem?

  Options:
  A) Factors related to the living organisms
  B) Factors related to the availability of nutrients
  C) Factors related to the climate and weather
  D) Factors related to the physical environment
  Show Answer
  The correct answer is D .
• Question 450:

  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 .