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 341: The forest management system which involves the planting of both food crops and forest trees on the same piece of land at the same time is known as Options:
  A) selective exploitation
  B) taungya
  C) regeneration
  D) afforestation
  Show Answer
  The correct answer is B .
• Question 342:

  Bulldozers are powerful tractors and expensive machines with a

  Options:
  A) broad steel blade
  B) narrow steel blade
  C) tiny steel blade
  D) small steel blade
  Show Answer
  The correct answer is A .
• Question 343:

  The Head of the tapeworm is known as the

  Options:
  A) sucker
  B) rostellum
  C) scolex
  D) hook
  Show Answer
  The correct answer is C .
• Question 344: 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 .
• Question 345:

  Which of the following is an example of a biotic factor in an agricultural ecosystem?

  Options:
  A) Rainfall
  B) Soil pH
  C) Temperature
  D) Crop pests
  Show Answer
  The correct answer is D .
• Question 346:

  Capital in agriculture includes the following item except

  Options:
  A) tree crops
  B) livestock
  C) labour
  D) machinery
  Show Answer
  The correct answer is C .
• Question 347:

  The best control ensure for rinderpest disease in cattle is

  Options:
  A) sanitation
  B) vaccination
  C) use of antibiotics
  D) eradication of infected stock
  Show Answer
  The correct answer is B .
• Question 348:

  The data for feed consumption and weighing gain of four farm animals labelled P, Q, R and S are shown below.

  P -50kg feed consumed and 20kg weight gained Q -90kg feed consumed and 30kg weight gained R -100kg feed consumed and 25kg weight gained S - 150kg feed consumed and 30kg weight gained.

  Which of the following must efficient feed converter?

  Options:
  A) P
  B) Q
  C) R
  D) S
  Show Answer
  The correct answer is A .
• Question 349: Which of the following insects transmits swollen shoot disease of cocoa? Options:
  A) stem borer
  B) mealybug
  C) whitefly
  D) scale insect
  Show Answer
  The correct answer is B .
• Question 350:

  What is subsistence agriculture?

  Options:
  A) Export-oriented agricultural production
  B) Intensive farming using advanced technology
  C) Farming for self-sufficiency and survival
  D) Large-scale commercial farming
  Show Answer
  The correct answer is C .