Q1
What are biodegradable and non-biodegradable wastes?
Answer:
Biodegradable waste: Biodegradable waste can be decomposed and degraded by microbes or microorganism.
For example: Kitchen’s waste.
Non-biodegradable waste: Non-Biodegradable waste cannot be decomposed by microbes or naturally.
For example: Paper, plastic, metal etc.
Q2
A low lying area where all the waste of a city is dumped is known as _______.
Answer:
Landfill
Q3 ______are also known as farmer’s friends.
Answer:
Redworms.
Q4
_______is the manure prepared by redworms.
Answer:
Vermicompost.
Q5
What are the 3 R’s?
Answer:
3 R’s are:
- Reuse
- Reduce
- Recycle
Q6
Jute bags are as harmful to the environment as are plastic bags. State true or false.
Answer:
Jute bags are environment-friendly.
Plastics are non-biodegradable . It pollutes the environment and also poses a threat to animal habitation. Jute , on the other hand, is biodegradable and does not cause any harm to the ecosystem .
So, the given statement is False.
