EASY
10th CBSE
IMPORTANT
Earn 100

Define Biomass.

Important Questions on Our Environment

EASY
10th CBSE
IMPORTANT
Eduwiser's CBSE BIOLOGY For Class X>Chapter 5 - Our Environment>EXERCISE>Q 6

Define

Anaerobic degradation.

MEDIUM
10th CBSE
IMPORTANT
Eduwiser's CBSE BIOLOGY For Class X>Chapter 5 - Our Environment>EXERCISE>Q 7
Why is the government of India imposing a ban on the use of polythene bags? Suggest two alternatives to these bags and explain how this ban is likely to improve the environment.
MEDIUM
10th CBSE
IMPORTANT
Eduwiser's CBSE BIOLOGY For Class X>Chapter 5 - Our Environment>EXERCISE>Q 8

List two environment-friendly practices or habits which need to be followed by every member of a family/community. Explain how these practices will support the “Save the Environment" mission?  

MEDIUM
10th CBSE
IMPORTANT
Eduwiser's CBSE BIOLOGY For Class X>Chapter 5 - Our Environment>EXERCISE>Q 9
What are decomposers? List two important roles they play in the environment.
MEDIUM
10th CBSE
IMPORTANT
Eduwiser's CBSE BIOLOGY For Class X>Chapter 5 - Our Environment>EXERCISE>Q 10
List two reasons to show that the existence of decomposers is essential in ecosystem.
MEDIUM
10th CBSE
IMPORTANT
Eduwiser's CBSE BIOLOGY For Class X>Chapter 5 - Our Environment>EXERCISE>Q 1
Explain the phenomenon of ”biological magnification". How does it affect organisms belonging to different trophic levels, particularly the tertiary consumers?
MEDIUM
10th CBSE
IMPORTANT
Eduwiser's CBSE BIOLOGY For Class X>Chapter 5 - Our Environment>EXERCISE>Q 2
Why bacteria and fungi are called decomposers? List any two advantages of decomposers to the environment.
MEDIUM
10th CBSE
IMPORTANT
Eduwiser's CBSE BIOLOGY For Class X>Chapter 5 - Our Environment>EXERCISE>Q 3
"Energy flow in a food chain is unidirectional”. Justify this statement. Explain how the pesticides enter a food chain and subsequently get into our body?