EASY
Earn 100

How long does it take wool clothing to decompose?

Important Questions on Synthetic Fibres and Plastics

MEDIUM
You must have come across the three 'R's to save the environment: Reduce, Recycle and Reuse. Explain Reduce in detail.
EASY
What are biodegradable and non-biodegradable wastes?
MEDIUM
Differentiate between biodegradable and non-biodegradable wastes.
EASY
Vegetable peels and paper are non-biodegradable wastes.
EASY
Biodegradable waste does not decay and decompose.
EASY
What are biodegradable and non-biodegradable wastes? Give two examples of each.
MEDIUM
How are biodegradable wastes different from non-biodegradable wastes?
EASY

Write the quadrants in which the following points lie:

-4,7

HARD
What is meant by biodegradable and non-biodegradable materials? Give examples of two biodegradable and two non-biodegradable materials.
EASY
What are bio-degradable materials? What makes them to degrade?
MEDIUM
Waste that rots by the action of microorganisms is called
EASY
Choose the odd one out and give reasons for your answer.
MEDIUM
Classify the following as biodegradable and non-biodegradable materials:
Woollen clothes, Polythene bags, Paper, Aluminium cans, Toothbrush, Peels of vegetables and fruits, Cotton cloth, Jute bag, Electric switch, Frying pan handle.