SEBA Class 7 Science Important Chapter 9 Soil

SEBA Class 7 Science Important Chapter 9 Soil Solutions English Medium As Per SEBA New Syllabus to each chapter is provided in the list so that you can easily browse through different chapters SEBA Class 7 General Science Additional Solutions and select need one. SCERT Important Solutions For Class 7 General Science Download PDF. Important Notes for Class 7 Science SCERT.

SEBA Class 7 Science Important Chapter 9 Soil

Also, you can read the NCERT book online in these sections Solutions by Expert Teachers as per Central Board of Secondary Education (CBSE) Book guidelines. Assam SEBA Board Class 7 Science Additional Question Answer are part of All Subject Solutions. Here we have given SCERT Class 7 General Science Important Notes for All Chapters, You can practice these here.

Soil

Chapter: 9

IMPORTANT QUESTION ANSWER

A. Very Short Type Questions & Answers:

1. What is soil?

Ans: Soil is the upper layer of earth that supports plant life and contains minerals, water, and organisms.

2. What is humus?

Ans: Humus is the decayed organic matter found in soil that makes it fertile.

3. Name the topmost layer of soil.

Ans: A-Horizon or Topsoil.

4. Which soil has the highest water retention?

Ans: Clayey soil.

5. Which type of soil is best for growing cotton?

Ans: Sandy loam soil.

6. What is loamy soil made up of?

Ans: Sand, clay, silt, and humus.

7. What is soil erosion?

Ans: The removal of the top layer of soil by wind or water.

8. Which layer of soil contains partially weathered rocks?

Ans: C-Horizon.

9. Which soil drains water quickly?

Ans: Sandy soil.

10. What is the process of breaking rocks to form soil called?

Ans: Weathering.

B. Fill in the Blanks:

1. Soil rich in ______ is fertile.

Ans: Humus:

2. Loamy soil contains _____, ______, ______ and humus.

Ans: Sand, Clay, Silt

3. The process by which water passes through soil is called ______.

Ans: Percolation.

4. The removal of the top layer of soil by wind or water is called ______.

Ans: Erosion.

5. ______ soil holds the highest amount of water.

Ans: Clayey.

C. True or False:

1. Topsoil is the lowest layer of the soil.

Ans: False.

2. Clayey soil retains more water than sandy soil.

Ans: True.

3. Soil erosion helps to improve crop growth.

Ans: False.

4. Sandy soil is well-aerated.

Ans: True.

5. Loamy soil is a mixture of only sand and clay.

Ans: False.