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 271:

  Which of the following is not a characteristic of metamorphic rock?

  Options:
  A) they are colourless
  B) some occur in layers
  C) they may contain fossils
  D) they may be hard and massive
  Show Answer
  The correct answer is C .
• Question 272: 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 273:

  Which of the following is not a characteristic of a good pasture?

  Options:
  A) high quality grass
  B) provision of balance nutrients
  C) ability to withstand trampling
  D) high stem to leaf ratio
  Show Answer
  The correct answer is A .
• Question 274:

  What happens to the price of a agricultural product when demand exceeds supply?

  Options:
  A) The price fluctuates randomly
  B) The price decreases
  C) The price remains unchanged
  D) The price increases
  Show Answer
  The correct answer is D .
• Question 275: Which of the following groups of rocks is formed as a result of volcanic eruption? Options:
  A) lomestone,basalt and shale
  B) basalt,granite and pumice
  C) sandstone,granite and quartzite
  D) marble,gneiss and shale
  Show Answer
  The correct answer is B .
• Question 276:

  What is the primary purpose of processing facilities in agriculture?

  Options:
  A) To process raw agricultural materials into value-added products
  B) To provide shelter and housing for livestock
  C) To package and label agricultural products
  D) To store and preserve harvested crops
  Show Answer
  The correct answer is A .
• Question 277:

  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 278:

  The practice of mating closely related animals is called

  Options:
  A) pen mating
  B) cross breeding
  C) outbreeding
  D) inbreeding
  Show Answer
  The correct answer is D .
• Question 279:

  In ponds, fish is usually caught with the following except

  Options:
  A) Pollution
  B) Hook and line
  C) Fish trap
  D) Cast net
  Show Answer
  The correct answer is A .
• Question 280:

  The Mendelian law of segregation states that the characteristics which is hidden in an F1, reappears in F2 generation in a ratio

  Options:
  A) 1 : 2
  B) 2 : 2
  C) 1 : 3
  D) 3 : 2
  Show Answer
  The correct answer is C .