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 1: The process of grafting in crop production involves Options:
  A) the fusion of gametes of two crops
  B) indicating rooting from stems
  C) the trandfer of a bud from one crop to another
  D) the joining of two parts from related crops
  Show Answer
  The correct answer is D .
• Question 2: Piglet anaemia can be controlled by using Options:
  A) sulphur drugs
  B) iron drugs
  C) anthelmintics
  D) antibiotics
  Show Answer
  The correct answer is B .
• Question 3:

  Which of the following is not a quality for selecting livestock?

  Options:
  A) feed consumption
  B) egg production
  C) mortality rate
  D) body weight
  Show Answer
  The correct answer is C .
• Question 4:

  Which of the following is not a component of an incubator ?

  Options:
  A) electric heater
  B) temperature
  C) thermostat
  D) Insulator
  Show Answer
  The correct answer is B .
• Question 5:

  The main aim of mechanized agriculture is

  Options:
  A) reducing maturation time for crops
  B) decreasing number of pests
  C) having a large land area for cultivation
  D) reducing cost of production
  Show Answer
  The correct answer is C .
• Question 6:

  Rain water is made available to crops through

  Options:
  A) evaporation
  B) transpiration
  C) surface drainage
  D) root absorbtion
  Show Answer
  The correct answer is D .
• Question 7:

  Which of the following are branches of agriculture?

  Options:
  A) Economics and Mathematics
  B) Agronomy and Horticulture
  C) Biology and Chemistry
  D) Botany and Zoology
  Show Answer
  The correct answer is B .
• Question 8:

  What are the main differences between monocot and dicot plants?

  Options:
  A) Monocots have parallel leaf veins, while dicots have branched leaf veins
  B) Monocots have flower parts in multiples of three, while dicots have flower parts in multiples of four or five
  C) All of the above
  D) Monocots have fibrous root systems, while dicots have taproot systems
  Show Answer
  The correct answer is C .
• Question 9:

  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 10:

  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 .