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Subjects
Science CBSE
Class 6
Garbage in, Garbage out
The disposal of garbage

7. Questions on vermicomposting, composting

Exercise condition:

4 m.

Choose the correct option:

1. Useless components are

components that can be degraded
components that can be recycled
components that cannot be recycled or reused or does not decay
components that can be reused

2. Why are dried leaves not burnt?

they release harmful gases
they cause pollution in the environment
lot of heat is generated
all of the above

3. Powdered egg shell is mixed with the garbage in vermicomposting because

egg shell is a non-biodegradable material
it helps in grinding of food in gizzard
egg shell provides as a protein source
egg shell promotes the growth of earthworms

4. What is the food for red worms?

tea bags
vegetable and fruit wastes
all of the above
coffee remains

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