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 491:

  Given a normal situation, what effect will an increase in the supply of cowpea have on its market price? The price

  Options:
  A) increases
  B) decreases
  C) is unaffected
  D) is unpredictable
  Show Answer
  The correct answer is B .
• Question 492: Sexual maturity in farm animal is not influenced by their Options:
  A) breed
  B) sex
  C) nutrition
  D) weaning age
  Show Answer
  The correct answer is B .
• Question 493:

  The most effective method of controlling or preventing viral diseases in plants is by

  Options:
  A) practising crop rotation
  B) spraying crops regularly
  C) planting resistant varieties
  D) burning affected crops
  Show Answer
  The correct answer is C .
• Question 494:

  The following are examples of agricultural extension except

  Options:
  A) Agro-service centres
  B) Operation feed the nation
  C) Green revolution programme
  D) red revolution programme
  Show Answer
  The correct answer is D .
• Question 495:

  The main mode of infection of rinderpest disease in cattle is through

  Options:
  A) grazing
  B) drinking
  C) contact
  D) inhalation
  Show Answer
  The correct answer is D .
• Question 496:

  Which of these operations comes first in cultural practice?

  Options:
  A) Tillage
  B) Ridges
  C) Stumping
  D) Harvesting
  Show Answer
  The correct answer is C .
• Question 497: Which of the following properties of soil determines its water-holding capacity? I. Texture II. pH III. Colour IV. Structure Options:
  A) I and II only
  B) I and IV only
  C) II and III only
  D) III and IV only
  Show Answer
  The correct answer is B .