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 201: If the recommended spacing for a tree crop is 2.5cm by 4.0m.determine the number of seedlings required to plant a 2 hectare farmland. Options:
  A) 1,000
  B) 2,000
  C) 10,000
  D) 20,000
  Show Answer
  The correct answer is B .
• Question 202:

  The tree species commonly planted for pulp wood is

  Options:
  A) Gmelina
  B) Cassia
  C) Alibiza
  D) Tectona
  Show Answer
  The correct answer is A .
• Question 203:

  The most unreliable source of power on the farm is

  Options:
  A) heat engine
  B) wind
  C) electricity
  D) animal
  Show Answer
  The correct answer is B .
• Question 204: Tomatoes are staked in order to Options:
  A) accelerate their growth
  B) induce flowering
  C) accelerate fruit ripening
  D) prevent rotting of fruits
  Show Answer
  The correct answer is D .
• Question 205:

  Which of the following is a friend of farmer

  Options:
  A) earthworm
  B) aphid
  C) grasshopper
  D) termite
  Show Answer
  The correct answer is A .
• Question 206:

  Which breed of sheep is commonly found in Nigeria and known for its meat production?

  Options:
  A) West African Dwarf
  B) Barbados Blackbelly
  C) Uda
  D) Dorper
  Show Answer
  The correct answer is A .
• Question 207: 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 208:

  A person who is involved in the dissemination of new ideas and techniques from the research institutes to the farmers is called

  Options:
  A) Biological Extension Officer
  B) Geographical Extension Officer
  C) Agent
  D) Agricultural Extension Officer
  Show Answer
  The correct answer is D .
• Question 209: If T represents the gene for tallness while t represents dwarfness. When a tall (TT) crop is crossed with a dwarf (tt) crop, the resultant crop will be Options:
  A) 100% dwarf
  B) 100% tall
  C) 50% tall and 50% dwarf
  D) 75% tall and 25% dwarf
  Show Answer
  The correct answer is B .
• Question 210:

  The quantity of rice that a consumer is willing and able to buy during a given period is simply the consumer's

  Options:
  A) demand for rice
  B) elastic limit
  C) supply of rice
  D) preference for rice
  Show Answer
  The correct answer is A .