MEDIUM
10th CBSE
IMPORTANT
Earn 100

Make a pyramid of number and show different trophic levels of it.

Important Questions on Our Environment

MEDIUM
10th CBSE
IMPORTANT
SCIENCE BIOLOGY Class-10>Chapter 5 - Our Environment>LET US PRACTICE MORE>Q 6
What is the role of ozone in our atmosphere?
MEDIUM
10th CBSE
IMPORTANT
SCIENCE BIOLOGY Class-10>Chapter 5 - Our Environment>LET US PRACTICE MORE>Q 7
What causes the depletion of the ozone layer? What efforts have been made to solve this problem?
MEDIUM
10th CBSE
IMPORTANT
SCIENCE BIOLOGY Class-10>Chapter 5 - Our Environment>LET US PRACTICE MORE>Q 8
Differentiate among primary, secondary and tertiary consumers.
MEDIUM
10th CBSE
IMPORTANT
SCIENCE BIOLOGY Class-10>Chapter 5 - Our Environment>LET US PRACTICE MORE>Q 9
Describe briefly any one method by which biodegradable waste can be turned into a useful substance.
MEDIUM
10th CBSE
IMPORTANT
SCIENCE BIOLOGY Class-10>Chapter 5 - Our Environment>LET US PRACTICE MORE>Q 10
Make one terrestrial and one aquatic food chain? Show in it a consumer of the third order.
MEDIUM
10th CBSE
IMPORTANT
SCIENCE BIOLOGY Class-10>Chapter 5 - Our Environment>LET US PRACTICE MORE>Q 11
Differentiate between a food chain and a food web.
EASY
10th CBSE
IMPORTANT
SCIENCE BIOLOGY Class-10>Chapter 5 - Our Environment>LET US PRACTICE MORE>Q 12
Make a food chain for the pond ecosystem.
MEDIUM
10th CBSE
IMPORTANT
SCIENCE BIOLOGY Class-10>Chapter 5 - Our Environment>LET US PRACTICE MORE>Q 13
Why have many cities banned the use of polythene?