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 261:

  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 262:

  A soil with the PH range of 6.1 to 6.9 can be described as

  Options:
  A) alkaline
  B) very acidic
  C) slightly alkaline
  D) slightly acidic
  Show Answer
  The correct answer is D .
• Question 263:

  Selection based on the performance of ancestors is referred to as

  Options:
  A) family selection
  B) pedigree selection
  C) progeny selection
  D) line selection.
  Show Answer
  The correct answer is B .
• Question 264:

  Which one of these is not a factor that affect change in supply of agricultural produce?

  Options:
  A) Technology
  B) Changes in the cost of production
  C) Changes in prices of commodity
  D) Fixed cost
  Show Answer
  The correct answer is D .
• Question 265: Crop rotation decreases the incidence of pests by Options:
  A) breaking life cycles of pests
  B) attracting pest predators
  C) sterilizing the soil
  D) maintaining soil fertility
  Show Answer
  The correct answer is A .
• Question 266:

  Blast of rice is a

  Options:
  A) Viral disease
  B) Bacteria disease
  C) Fungal disease
  D) Deficiency of zinc disease
  Show Answer
  The correct answer is C .
• Question 267:

  Which of the following is not correct about Stylosanthers gracilis?

  Options:
  A) It is an animal legume
  B) It is propagated by seeds
  C) It is drought resistant
  D) It produces nodules
  Show Answer
  The correct answer is A .
• Question 268:

  The following conditions are necessary for germination except

  Options:
  A) adequate moisture
  B) viable seed
  C) zero temperature
  D) optimum temperature
  Show Answer
  The correct answer is C .
• Question 269:

  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 270:

  Agricultural extension serves as ____ between research institute and farmers

  Options:
  A) command centers
  B) bridge
  C) extension
  D) gap
  Show Answer
  The correct answer is B .