EASY
10th CBSE
IMPORTANT
Earn 100

What are biodegradable and non-biodegradable substances?

Important Questions on Our Environment

EASY
10th CBSE
IMPORTANT
SCIENCE BIOLOGY Class-10>Chapter 5 - Our Environment>WORKSHEET>Q 4
Explain 10% rule with the help of an example.
MEDIUM
10th CBSE
IMPORTANT
SCIENCE BIOLOGY Class-10>Chapter 5 - Our Environment>WORKSHEET>Q 5
What would happen if all the carnivore of a jungle were killed?
MEDIUM
10th CBSE
IMPORTANT
SCIENCE BIOLOGY Class-10>Chapter 5 - Our Environment>WORKSHEET>Q 6
How can you help to reduce the problem of a garbage disposal?
EASY
10th CBSE
IMPORTANT
SCIENCE BIOLOGY Class-10>Chapter 5 - Our Environment>PAPER PEN TEST>Q 1
Select the odd one out.
EASY
10th CBSE
IMPORTANT
SCIENCE BIOLOGY Class-10>Chapter 5 - Our Environment>PAPER PEN TEST>Q 1
Select the odd one out.
EASY
10th CBSE
IMPORTANT
SCIENCE BIOLOGY Class-10>Chapter 5 - Our Environment>PAPER PEN TEST>Q 1
Select the odd one out with respect to an ecosystem:
EASY
10th CBSE
IMPORTANT
SCIENCE BIOLOGY Class-10>Chapter 5 - Our Environment>PAPER PEN TEST>Q 2
What is the role of ozone layer in atmosphere? What poses a threat to the ozone layer? 
MEDIUM
10th CBSE
IMPORTANT
SCIENCE BIOLOGY Class-10>Chapter 5 - Our Environment>PAPER PEN TEST>Q 3
How are decomposers important for an ecosystem?