Waste management

What is biodegradable waste?

• Waste that cannot be broken down into simpler form by natural agents

• Waste that can be broken down into simple compounds by natural agents

• Waste that is harmful for the environment

• Waste that remains in the soil for hundreds and thousands of years

Which of the following is an example of biodegradable waste?

• Waste paper

• Waste food and vegetable peels

• Empty juice cans

• Plastic bottles

Which of the following is an example of non-biodegradable waste?

• glass

• All of these

• Empty juice cans

• Plastic bottles

How can the problems caused by non-biodegradable waste be solved?

• Ignore the problem

• Throw waste in open spaces

• Use separate dust bins for biodegradable and non-biodegradable waste

• Leave waste on the streets

What happens to the simple compounds released into the soil from biodegradable waste?

• They remain in the soil for hundreds of years

• They are consumed by animals

• They are harmful for the environment

• They are used by plants for their growth and development

Why is non-biodegradable waste harmful for the environment and living organisms?

• It helps in plant growth

• It can be recycled naturally

• It remains in the soil for hundreds and thousands of years

• It is used by animals for their growth and development

What are the 4Rs in waste management?

• Reduce, Reuse, Recycle, Refuse

• Recover, Reduce, Reuse, Recycle

• Reduce, Recover, Reuse, Recycle

• Replenish, Reduce, Recycle, Recover

How does the concept of 4Rs help in environmental conservation?

• It leads to more waste generation

• It reduces the burden on landfills

• It increases pollution levels

• It has no impact on the environment

A gaseous fuel produced due to the breaking down of organic matter by microorganisms

• Methane gas/biogas

• Oxygen gas

• Nitrogen gas

Saying "No" to things that harm the environment and use environment friendly alternatives

• Reduce

• Reuse

• Refuse

• Recycle