AGRICULTURAL SCIENCE SS1
  • 1. The hard unweathered rock layer is known as
A) Horizon I
B) Horizon K
C) Horizon R
D) Horizon S
  • 2. Soil profile is best described as
A) soil structure
B) vertical section of soil
C) horizontal section of soil
D) soil texture
  • 3. Limestone is an example of
A) Sedimentary rock
B) Metamorphic rock
C) Volcanic ash
D) Igneous rock
  • 4. The process by which rocks break down to form soil is called
A) Sedimentation
B) Weathering
C) Erosion
D) Compaction
  • 5. Rocks are best defined as
A) decayed plants
B) liquid materials in the soil
C) solid materials made of minerals
D) organic farm materials
  • 6. Simple farm tools are mainly operated by ______
A) Battery
B) Engine
C) Electricity
D) Hand
  • 7. Which rock is formed from magma?
A) Sedimentary
B) Igneous
C) Limestone
D) Metamorphic
  • 8. Soil formation is the process by which soil develops from
A) Limestock
B) Soils
C) parent rocks
D) fertilizers
  • 9. Which of the following is NOT a type of weathering?
A) Physical
B) Chemical
C) Biological
D) Mechanical cultivation
  • 10. The downward movement of soluble minerals in soil is called
A) deposition
B) weathering
C) leaching
D) erosion
  • 11. The soil horizon richest in humus is
A) Horizon B
B) Horizon A
C) Horizon K
D) Horizon S
  • 12. Marble is formed from
A) Granite
B) Basalt
C) Sandstone
D) Limestone
  • 13. The major components of soil do not include
A) Water
B) Mineral matter
C) None of the above
D) Organic matter
  • 14. Soil texture refers to the
A) Depth of soil
B) Colour of soil
C) Size of soil particles
D) Arrangement of soil particles
  • 15. Which soil property affects water retention?
A) pH
B) Salinity
C) Texture
D) Colour
  • 16. Clay soil is best described as
A) Well drained
B) Loose and gritty
C) Poor in nutrients
D) ticky when wet
  • 17. Horizon R is
A) Bedrock
B) Organic layer
C) Topsoil
D) Parent material
  • 18. ___ tool is used for gathering and leveling soil
A) Hoe
B) Cutlass
C) Axe
D) Rake
  • 19. Horizon O
A) Organic layer
B) Bedrock
C) Parent material
D) Topsoil
  • 20. ____ is the ability of soil to retain water for plant use
A) Structure
B) Texture
C) Water holding capacity
D) Porosity
Created with That Quiz — the math test generation site with resources for other subject areas.