WASTE MATERIALS

Choose the correct meaning of waste materials

• Materials that can be recycled

• Materials that we can reuse

• Materials that we no longer need or keep

How do you categorize the waste materials?

• According to the types of materials

• Based on the life span of the materials

• Group the materials based on their colour

Waste materials will be collected according to the colour coded bins. Which of the waste materials are collected in the blue bins?

• Plastic materials

• Metal materials

• Glass materials

• Paper materials

In Malaysia, food wastes usually collected in the ............... bins.

• blue

• orange

• green

• brown

Bottles, jar and glass apparatus should be put in the ................. bin.

• blue

• brown

• yellow

• green

What is mean by biodegradable wastes?

• Wastes that can be decayed by microorganisms

• Wastes that cannot be decayed by microorganisms

Which of the following is NOT a biodegradable waste?

• Plastic bag

• Food waste

• Old magazine

• Excretory products

Why do we need to dispose the plastic waste materials wisely?

• to encourage people to use paper bag

• to raise awareness among the consumers

• plastic waste materials can pollute the environment

• plastic waste materials can be decayed

Which waste material is NOT considered as toxic waste?

• waste from industrial estate

• excretory products from humans and animals

• aerosol

• pesticides

All of the following are non-biodegradable wastes except .......

• aluminium cans

• synthetic materials

• glass jars

• rotten fruits