S K Jain and Shailesh K Jain Solutions for Chapter: Soil, Exercise 6: Chapter Based Formative Assessment
S K Jain Science Solutions for Exercise - S K Jain and Shailesh K Jain Solutions for Chapter: Soil, Exercise 6: Chapter Based Formative Assessment
Attempt the practice questions on Chapter 9: Soil, Exercise 6: Chapter Based Formative Assessment with hints and solutions to strengthen your understanding. Science 7 solutions are prepared by Experienced Embibe Experts.
Questions from S K Jain and Shailesh K Jain Solutions for Chapter: Soil, Exercise 6: Chapter Based Formative Assessment with Hints & Solutions
B-horizon of the soil is lighter in colour due to the presence of a lesser amount of _____.
The removal of the topsoil by strong wind or by flowing water is called _____.
Soil also contains some insects and micro-organisms.
Weathering is a very fast process.
Soil erosion is the removal of topsoil by wind or flowing water.
The C-horizon is the layer of soil which is rich in humus.
Humus is important because it makes the soil fertile.
Solve the crossword puzzle with the help of given clues.
ACROSS
1. The uppermost layer of the earth's crust. (4)
2. Breaking down of bigger rocks into smaller pieces by natural forces. (10)
3. The layer under the C-horizon. (7)
4. Property that affects the percolation of water through the soil. (8)
5. The layer just under the top layer. (7)
6. Soil that contains clay, silt, sand and humus in the right proportion. (5)
DOWN
7. The soil having the lowest water-retaining capacity. (5)
8. The soil having the highest water-retaining capacity. (6)
9. The layered structure of the soil. (11)
