Conservation
Conservation: Overview
This topic covers concepts, such as, Conservation of Forest, Sewage Treatment, Conserving Fish Stocks & Introduced Species etc.
Important Questions on Conservation
Define introduced species with an example.

What is aeration activated sludge?

What is sustainable development with example?


What is restocking. Explain why it is used.

Why fish conservation is necessary and how it can be done.

Explain the effect of air pollution on climate. How polar bears are affected with this.

How human activity like hunting affects the environment.

What are sustainable resources? Give some examples.

Fossil fuel is a sustainable resource.

Explain the use of trickling filter.


Which among the following activities will conserve the forests?

Forest protects the soil from erosion.

Segregation of dry and wet waste should be done at household level.

Which of the following animals belong to the category of the endangered species?

The disappearance of Dinosaurs is an example of mass extinction.

During secondary treatment, the bacterial flocs sediments in the sedimentation tank, this sediment is called

What will you do for the management of waste in your colony or village?

What does the recycling means?
