Soil
Science · Grade 7 · Week 9 · 25 questions
Soil is a complex mixture of minerals, organic matter, water, and air that supports plant life. Understanding soil and rocks reveals Earth's geological history and sustains agriculture.
What you'll practise
- Describe the layers and types of soil
- Explain soil formation processes
- Identify different types of rocks and minerals
- Understand the importance of soil conservation
All 25 questions in this Soil quiz
Grade 7 Science — Soil: 25 practice questions with instant scoring and explanations.
- Soil is formed from the weathering of
- The uppermost layer of soil is called
- The layer of soil that contains more minerals and less organic matter is
- Which soil type has the largest soil particles?
- Sandy soil is not suitable for farming because
- Clayey soil is sticky because
- Loamy soil is the best for agriculture because it
- Percolation refers to the
- The process by which soil is carried away by wind or water is called
- Which of the following helps prevent soil erosion?
- Terrace farming is used to
- Humus is
- The soil profile from top to bottom is
- Pore spaces in soil are important because they
- The texture of soil is determined by the
- Desert soil is typically
- Waterlogged soil lacks
- Crop rotation is a practice that
- The A horizon of soil is also called the
- Lime is added to soil to
- Laterite soil contains high amounts of
- Sandy soil is preferred for growing
- The ability of soil to hold water is called
- Contour ploughing helps to
- The breakdown of rock material into smaller particles by weathering is necessary for
Question 1 of 250 correct so far