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 211:

  Which of the following is a powerful and expensive multipurpose motor vehicle used for lifting or pulling farm implements?

  Options:
  A) Bulldozer
  B) Tractor
  C) Sheller
  D) Incubator
  Show Answer
  The correct answer is B .
• Question 212:

  Which of these is not an example of tractor coupled implement?

  Options:
  A) Harrow
  B) Incubator
  C) Ridger
  D) Plough
  Show Answer
  The correct answer is B .
• Question 213:

  The major reason which necessitates the expansion of agriculture is the increase in

  Options:
  A) rainfalls
  B) population
  C) manpower
  D) animal power
  Show Answer
  The correct answer is B .
• Question 214: 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 215:

  The most common soil mineral found in all crystalline rocks and a main constituent of granite and sandstone is

  Options:
  A) biotite
  B) quartz
  C) mica
  D) granite
  Show Answer
  The correct answer is B .
• Question 216:

  Crops grown primarily for feeding animals are known as

  Options:
  A) vegetables
  B) forage
  C) cereal
  D) shrubs
  Show Answer
  The correct answer is B .
• Question 217:

  Smut disease of cereals is caused by a

  Options:
  A) bacterium
  B) fungus
  C) protozoan
  D) nematode
  Show Answer
  The correct answer is B .
• Question 218:

  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 219:

  

  From the curve above, at what point is it advisable for the farmer to stop further addition of input?

  Options:
  A) I
  B) II
  C) III
  D) IV
  Show Answer
  The correct answer is C .
• Question 220:

  The optimum temperature for storing yam tuber under cold storage is

  Options:
  A) 7°C
  B) 9°C
  C) 13°C
  D) 15°C
  Show Answer
  The correct answer is A .