Biology, asked by cooco4, 1 year ago

important questions of ch our environment class10th which are also given in board exam

Answers

Answered by Anonymous
8

This chapter is not so important. So, don't concentrate on this chapter so much. But as you ask important questions of this. So, let me tell you :-
* Role of decomposers in the ecosystem.
* difference between biodegradable and non biodegradable with their advantages and disadvantages.
* Questions related to ozone layer i.e it's formation and it's effect.
* Definition of food chain, food web, producers, decomposers and consumers.
* What is 10% law in food chain?
* In ncert there is small paragraph about energy used by autotrophs something like this learn also that. It is very important.
* Learn all ncert questions.
* Why is there need to back the use of plastic bags?
* What is the significance of food chain?
* What are harmful effects of acid rain?

Hope it helps you.


cooco4: or maths me konsi book se
cooco4: but
cooco4: in exam different questions were come
cooco4: ok
cooco4: or kuch puchna hua to kl puchlungi
cooco4: by
cooco4: and thanks
Answered by NarwalVarsha
2
1. Describe how ozone layer is formed ?
2. What is biological magnification ? Illustrate with the help of an example.
3. What is the significance of food chains ?
4. How garbage pollution can be controlled ?
5. Components of an ecosystem ?
6. Are plants actually producers of energy ?
7. What is 10 % law?
8. Why is plastic not degraded by bacteria ?

HOPE IT HELPS YOU.
Mark my answer as brainliest.
Similar questions