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 111:

  What are biotic factors in an agricultural ecosystem?

  Options:
  A) Factors related to the climate and weather
  B) Factors related to the living organisms
  C) Factors related to the physical environment
  D) Factors related to the availability of nutrients
  Show Answer
  The correct answer is B .
• Question 112:

  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 113:

  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 114: In crop production, ginger is propagated by Options:
  A) seed
  B) bulb
  C) rhizome
  D) corm
  Show Answer
  The correct answer is C .
• Question 115:

  Which of the following is not an organic manure?

  Options:
  A) Green manure
  B) Farmyard manure
  C) Compost
  D) Fertilizer
  Show Answer
  The correct answer is D .
• Question 116: Corms, rhizomes and tubers are examples of Options:
  A) underground stems
  B) underground roots
  C) modified leaves
  D) earial stems
  Show Answer
  The correct answer is A .
• Question 117:

  What is the primary goal of agricultural extension services in the field of agricultural economics?

  Options:
  A) Promoting sustainable farming practices
  B) Maximizing crop yields
  C) Enhancing market access for farmers
  D) Increasing farm profits
  Show Answer
  The correct answer is C .
• Question 118:

  Which of the followings is not an advantage of Introduction

  Options:
  A) It enhances greater productivity
  B) It leads to the absence of pests and diseases
  C) It may not perform maximally
  D) Breeds may perform better in terms of quality and quantity
  Show Answer
  The correct answer is C .
• Question 119:

  What does the term "recombinant DNA" refer to in biotechnology?

  Options:
  A) DNA synthesized in a laboratory
  B) DNA replicated using polymerase chain reaction (PCR)
  C) DNA extracted from ancient fossils
  D) DNA modified to contain genes from different organisms
  Show Answer
  The correct answer is D .
• Question 120:

  ________ is a disease condition which emanates from inadequate nutrition.

  Options:
  A) Nutritional deficiency
  B) Nutritional adequacy
  C) Nutritional efficiency
  D) Nutritional sufficiency
  Show Answer
  The correct answer is A .