MEDIUM
9th CBSE
IMPORTANT
Earn 100

Prepare a flow chart of various natural resources.

Important Questions on Natural Resources

MEDIUM
9th CBSE
IMPORTANT
Science for Ninth Class (Part-3) Biology>Chapter 6 - Natural Resources>REVISION QUESTIONS>Q 2
 Why is air called breath of life? Enumerate functions of air or atmosphere?
HARD
9th CBSE
IMPORTANT
Science for Ninth Class (Part-3) Biology>Chapter 6 - Natural Resources>REVISION QUESTIONS>Q 3
Describe the causes and effects of air pollution?
MEDIUM
9th CBSE
IMPORTANT
Science for Ninth Class (Part-3) Biology>Chapter 6 - Natural Resources>REVISION QUESTIONS>Q 4
Explain ozone layer, its depletion and effects of ozone depletion?
HARD
9th CBSE
IMPORTANT
Science for Ninth Class (Part-3) Biology>Chapter 6 - Natural Resources>REVISION QUESTIONS>Q 5
Give an account of various sources and harmful effects of water pollution.
MEDIUM
9th CBSE
IMPORTANT
Science for Ninth Class (Part-3) Biology>Chapter 6 - Natural Resources>REVISION QUESTIONS>Q 6
Explain eutrophication. 
MEDIUM
9th CBSE
IMPORTANT
Science for Ninth Class (Part-3) Biology>Chapter 6 - Natural Resources>REVISION QUESTIONS>Q 6
Explain biomagnification.
MEDIUM
9th CBSE
IMPORTANT
Science for Ninth Class (Part-3) Biology>Chapter 6 - Natural Resources>REVISION QUESTIONS>Q 7
Why water is necessary for living organisms? Explain.
HARD
9th CBSE
IMPORTANT
Science for Ninth Class (Part-3) Biology>Chapter 6 - Natural Resources>REVISION QUESTIONS>Q 8
What is soil? How does it form?