TEJIS Agricultural Science Y4 1ST TERM
  • 1. 1. What is soil?
A) A natural body of mineral and organic matter
B) A natural body of mineral and organic matter
C) A mixture of water and air
D) A type of rock
E) A living organism
  • 2. 2. Which of the following is NOT a component of soil?
A) Organic matter
B) Mineral particles
C) Water
D) Atmosphere
  • 3. 3. What is the primary function of soil?
A) To support plant growth
B) To store minerals
C) To support plant growth
D) To filter water
E) To regulate climate
  • 4. 4. Which of the following types of soil is characterized by high fertility?
A) Loamy soil
B) Loamy soil
C) Clay soil
D) Rocky soil
E) Sandy soil
  • 5. 5. The process of breaking rock to smaller particles is called?
A) Pedogenesis
B) Weathering
C) Erosion
D) Sedimentation
  • 6. 6. What is the primary use of soil?
A) Water filtration
B) Construction material
C) Agriculture and food production
D) Agriculture and food production
E) Waste disposal
  • 7. 7. Which of the following is a non-agricultural use of soil?
    A)
    B)
    C)
    D)
    Correct answer: C)
A) Raising livestock
B) Building foundations
C) Growing crops
D) Landfill
  • 8. 8. What are the four main components of soil?
A) Minerals, water, air, and microorganisms
B) Rocks, minerals, water, and organic matter
C) Minerals, water, air, and microorganisms
D) Organic matter, nutrients, water, and air
E) Sand, silt, clay, and humus
  • 9. 9. Which soil component holds nutrients for plant growth?
    A)
    B) Organic matter
    C) Water
    D) Air
    Correct answer: B)
A) Organic matter
B) Mineral particles
  • 10. 10. What is humus in soil
A) Mineral particles
B) Water-holding capacity
C) Decomposed organic matter
D) Living microorganisms
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