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 81: 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 82:

  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 83:

  The fertility of soils under forest is sustained mainly by

  Options:
  A) nutrient recycling
  B) rodent activities
  C) being protected from direct rays of the sun
  D) preventing raindrops from directly hitting the soil.
  Show Answer
  The correct answer is A .
• Question 84:

  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 85:

  What is the primary focus of animal husbandry in agriculture?

  Options:
  A) Veterinary care for domestic pets
  B) Protection of wildlife habitats
  C) Breeding and management of farm animals
  D) Crop cultivation for livestock feed
  Show Answer
  The correct answer is C .
• Question 86:

  Gestation period is defined as the time

  Options:
  A) of fusion of the sperm and the egg
  B) between conception and parturition
  C) of release of ovum from the ovary
  D) of the birth of the young animal
  Show Answer
  The correct answer is B .
• Question 87:

  The effects of practicing crop rotation include the following except

  Options:
  A) maintaining and improving soil fertility
  B) controlling soil erosion
  C) adding humus to the soil
  D) preventing the build-up of pests and diseases
  Show Answer
  The correct answer is C .
• Question 88:

  The botanical name of maize is

  Options:
  A) Corn seed
  B) Zea mays
  C) Rattus rattus
  D) Discorea spp
  Show Answer
  The correct answer is B .
• Question 89:

  Agricultural extension serves as ____ between research institute and farmers

  Options:
  A) command centers
  B) bridge
  C) extension
  D) gap
  Show Answer
  The correct answer is B .
• Question 90:

  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 .