Management of Natural Resources
From the list given below pick the item that is not a natural resource
(a) Soil
(b) Water
(c) Electricity
(d) Air
Our Environment
Explain some harmful effects of agricultural practices on the environment.
Our Environment
What are the by-products of fertiliser industries? How do they affect the environment?
Our Environment
Suggest suitable mechanism (s) for waste management in fertiliser industries.
Our Environment
Name the wastes which are generated in your house daily. What measures would you take for their disposal?
Our Environment
Give two differences between food chain and food web.
Our Environment
Suggest any four activities in daily life which are eco-friendly.
Our Environment
What are decomposers? What will be the consequence of their absence in an ecosystem?
Our Environment
Indicate the flow of energy in an ecosystem. Why is it unidirectional? Justify.
Our Environment
We do not clean ponds or lakes, but an aquarium needs to be cleaned. Why?
