MEDIUM
7th CBSE
IMPORTANT
Earn 100

Why do we grow cotton and sugarcane crops mainly in black soil?

Important Questions on Soil

MEDIUM
7th CBSE
IMPORTANT
Sciwise - A coursebook of Science>Chapter 10 - Soil>EXERCISE>Q 9
What is soil pollution? Explain some measures to minimise the soil pollution. 
HARD
7th CBSE
IMPORTANT
Sciwise - A coursebook of Science>Chapter 10 - Soil>EXERCISE>Q 10
How does soil erosion affect the growth of plants in any area? What are the measures to prevent soil erosion? 
HARD
7th CBSE
IMPORTANT
Sciwise - A coursebook of Science>Chapter 10 - Soil>EXERCISE>Q 1
Define the types of weathering. 
HARD
7th CBSE
IMPORTANT
Sciwise - A coursebook of Science>Chapter 10 - Soil>EXERCISE>Q 2
What are the properties of soil? Discuss and give suitable examples.
HARD
7th CBSE
IMPORTANT
Sciwise - A coursebook of Science>Chapter 10 - Soil>EXERCISE>Q 3
Describe an experiment to show that soil contains air.
HARD
7th CBSE
IMPORTANT
Sciwise - A coursebook of Science>Chapter 10 - Soil>EXERCISE>Q 4
How is humus formed? Why is it important?
MEDIUM
7th CBSE
IMPORTANT
Sciwise - A coursebook of Science>Chapter 10 - Soil>EXERCISE>Q 5
Which soil is most suitable for plants to grow? Explain why? 
HARD
7th CBSE
IMPORTANT
Sciwise - A coursebook of Science>Chapter 10 - Soil>EXERCISE>Q 1
Some trees growing in marshy areas have roots called breathing roots. They grow above the soil. Why do you think these are required?