MEDIUM
8th CBSE
IMPORTANT
Earn 100

Why are coal, petroleum and natural gas called fossil fuels?

Important Questions on Natural Resources

EASY
8th CBSE
IMPORTANT
Basic Science for Class 8>Chapter 15 - Natural Resources>Exercises>Q A
What do you understand by the term ‘commercial energy’?
MEDIUM
8th CBSE
IMPORTANT
Basic Science for Class 8>Chapter 15 - Natural Resources>Exercises>Q A
Name the products formed by the destructive distillations of coal. What is ammoniacal liquor used for?
EASY
8th CBSE
IMPORTANT
Basic Science for Class 8>Chapter 15 - Natural Resources>Exercises>Q A
Name some alternative sources of energy that we can use for the generation of electricity.
MEDIUM
8th CBSE
IMPORTANT
Basic Science for Class 8>Chapter 15 - Natural Resources>Exercises>Q B
What measures can we take to bring down the number of trees felled annually for the production of paper?
MEDIUM
8th CBSE
IMPORTANT
Basic Science for Class 8>Chapter 15 - Natural Resources>Exercises>Q B
What impact does deforestation have on the climate?
MEDIUM
8th CBSE
IMPORTANT
Basic Science for Class 8>Chapter 15 - Natural Resources>Exercises>Q B
How are petroleum and natural gas formed?
MEDIUM
8th CBSE
IMPORTANT
Basic Science for Class 8>Chapter 15 - Natural Resources>Exercises>Q C

What is shifting cultivation? What impact does if have on forests?

MEDIUM
8th CBSE
IMPORTANT
Basic Science for Class 8>Chapter 15 - Natural Resources>Exercises>Q C
In what different ways does large-scale logging for timber destroy forests?