Match the following. 1. Plastic waste a. Three R's 2. Waste separation b. Eco-friendly material 3. Reduce, Reuse and Recycle c.Threat to the environment 4. Stainless steel d. Biodegradable, recyclable and non-recyclable

1- c Plastic waste is non-biodegradable waste. It is a threat to the environment. It does not rot or mix with the soil. 2-d The separation of waste is a very important step in waste management. It means sorting or dividing the waste into different waste bins. Green for biodegradable waste, blue for recyclable waste and red for non-recyclable waste. 3-a Reduce, Reuse and Recycle are the three R's. We must first reduce, then reuse and finally recycle. It can reduce environmental pollution. 4-b Stainless steel is an Eco-friendly material. Eco-friendly materials are either degradable or reusable and not environmentally harmful. 1. Plastic waste c. Threat to the environment 2. Waste separation d. Biodegradable, recyclable and non-recyclable 3. Reduce, Reuse and Recycle a. Three Rs 4. Stainless steel b. Eco-friendly material

E M B I B E

Standard 4 Term III Science>Chapter 1 - Green Environment>Evaluation>Q 3

EASY

4th Tamil Nadu Board

IMPORTANT

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Plastic bag, thermocol and multilayer plastics are recyclable.

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Important Questions on Green Environment

EASY

4th Tamil Nadu Board

IMPORTANT

Standard 4 Term III Science>Chapter 1 - Green Environment>Evaluation>Q 2

Which is an example for non-biodegradable waste?

MEDIUM

4th Tamil Nadu Board

IMPORTANT

Standard 4 Term III Science>Chapter 1 - Green Environment>Evaluation>Match the following

Match the following.

1. Plastic waste	a. Three R's
2. Waste separation	b. Eco-friendly material
3. Reduce, Reuse and Recycle	c.Threat to the environment
4. Stainless steel	d. Biodegradable, recyclable and non-recyclable