SOIL

1. What is soil primarily used for?

• Making glass
• Growing plants
• Road construction
• Pottery

2. Which type of soil is normally used in agriculture?

• Sandy soil
• Clay soil
• Loamy soil
• All types of soil

3. What plants grow well in sandy soil, as mentioned in the text?

• Paddy plants
• Mangrove trees
• Peanuts and coconut trees
• All of the above

4. Which type of soil is used in pottery?

• Sandy soil
• Clay soil
• Loamy soil
• Humus

5. What is sand used to produce?

• Pots
• Bricks
• Glass
• Concrete blocks

6. Why is glass useful?

• It is soft
• It is colorful
• It is clear and shiny
• It is heavy

7. What is sand also used for in construction?

• Making plates
• Road construction
• Growing mangrove trees
• Making humus

8. What materials are made using sand in construction?

• Pots and teapots
• Peanuts and coconut trees
• Bricks and concrete blocks
• Humus

9. What animals find habitat in soil?

• Fish
• Birds
• Earthworms and ants
• Snakes

10. What percentage of rock particles is in an average soil sample?

• 25%
• 5%
• 45%
• 80%