Important questions for Science Ch 15 Our Environment Class 10
Answers
Answer:
Our Environment Chapter Wise Important Questions Class 10 Science
(a) What is 'environmental pollution'? ...
How is the increase in demand for energy affecting our environment adversely? ...
Why is ozone layer getting depleted at the higher levels of the atmosphere? [ ...
Name any two abiotic components of an environment. [ ...
Why are bacteria and fungi called decomposers?
Some important questions from Our Environment are :
1》Explain Non - Biodegradable substances with its effects. ( 3 Marker )
2》Explain in detail Food Chain ( 5 Marker )
3》Difference between Food chain and Food Web. ( 2 Marker )
4》Explain Biological Magnification ( 4 Marker )
5》Explain in detail the methods of Waste Disposal. ( Generally, 3 - 4 methods are asked ) ( 2 Marker )
6》Explain some harmful effects of agricultural practices on the environment. ( 2 Marker )
7》Explain flow in a food chain is unidirectional. Justify this statement. ( 2 Marker )
8》Explain how the pesticides enter a food chain and subsequently get into our body. ( 2 Marker )
9》Suggest suitable mechanism(s) for waste management in fertilizer industries. ( 5 Marker )
10》What are byproducts of fertilizer Industries? How do they affect the environment? ( 5 Marker )