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NCERT solutions Science Class 7 chapter 9 Soil


NCERT Science Class 7

Science Textbook for Class  7

Chapter 9 - Soil

Pages 105 - 108

Tick the most suitable answer in question

In addition to the rock particles, the soil contains

(1) air and water

(2) water and plants

(3) minerals, organic matter, air and water

(4) water, air and plants

Q 1 | Page 105

Tick the most suitable answer in question 

The water holding capacity is the highest in

(1) sandy soil

(2) clayey soil

(3) loamy soil

(4) mixture of sand and loam

Q 2 | Page 105

Match the items in Column I with those in Column II:

Column I Column II
A home for living organisms Large particles
Upper layer of the soil All kinds of soil
Sandy soil Dark in colour
Middle layer of the soil Small particles and packed tight
Clayey soil Lesser amount of humus
Q 3 | Page 105

Explain how soil is formed.

Q 4 | Page 105

How is clayey soil useful for crops?

Q 5 | Page 105

List the differences between clayey soil and sandy soil.

Q 6 | Page 105

Sketch the cross section of soil and label the various layers.

Q 7 | Page 105

Razia conducted an experiment in the field related to the rate of percolation. She observed that it took 40 min for 200 mL of water to percolate through the soil sample. Calculate the rate of percolation.

Q 8 | Page 108

 Explain how soil pollution and soil erosion could be prevented

Q 9 | Page 106

Solve the following crossword puzzle with the clues given:


2. Plantation prevents it.

5. Use should be banned to avoid soil pollution.

6. Type of soil used for making pottery.

7. Living organism in the soil.


1. In desert soil erosion occurs through.

3. Clay and loam are suitable for cereals like.

4. This type of soil can hold very little water.

5. Collective name for layers of soil.

Q 10 | Page 106

NCERT Science Class 7

Science Textbook for Class  7