Soil
Science · Grade 6 · Week 22 · 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 6 Science — Soil: 25 practice questions with instant scoring and explanations.
- What is soil mainly composed of?
- What is the soil profile?
- What is the topmost layer of soil called?
- What is humus?
- Which type of soil has the best water retention?
- What is loamy soil?
- Why is loamy soil ideal for farming?
- What is soil erosion?
- Which of the following causes soil erosion?
- What are the consequences of soil erosion?
- How can soil erosion be prevented?
- What is soil conservation?
- What are contour plowing?
- How do roots help prevent soil erosion?
- What is soil pH?
- Which organisms help in soil formation?
- What is the role of earthworms in soil?
- What is soil texture?
- How does organic matter improve soil?
- What is leaching in soil?
- Which farming practice helps maintain soil fertility?
- What is desertification?
- What are the layers in soil profile from top to bottom?
- How does vegetation protect soil?
- Why is mulching beneficial for soil?
Question 1 of 250 correct so far