Paper

Q.

Explain the 3R principle for management of biodegradable waste. [3 MARKS]

Q.

We should save, reuse and recycle paper to save trees, energy and water. Justify.
[2 MARKS]

Q. Which of the following R's is not used to save the environment?

1. Reduce
2. Remove
3. Recycle
4. Reuse

Q.

Instead of using polythene bags, we should use bags made up of:

1. Nylon

2. Silk

3. Paper

4. Teflon

Q. Which of the 3Rs are useful to save the environment?

1. Revise, Reuse, Regain
2. Reduce, Reuse, Recycle
3. Reduce, Reuse, Respect
4. Reduce, Restart, Recycle

Q.

What makes plastics non-biodegradable?

1. Plastics have lots of carbon in them

2. Plastics are derived from byproducts of petroleum

3. Plastics require high temperature to degrade

4. Plastics have organic additives in them

Q.

To become environment-friendly, instead of using polythene bags, we should use bags made up of:

1. Nylon

2. Silk

3. Paper

4. Teflon

Q. In a campaign to save the environment, the following habits are encouraged:
$\bullet$ Reduce the use of paper
$\bullet$ Recycle newspaper
$\bullet$ Reuse paper bags

What is the aim of the campaign?

1. To use more plastic
2. To avoid water pollution
3. To save the forest
4. To conserve petrol

Q. Why should we prefer to use paper bags rather than polythene bags?

Q. To become environment-friendly, instead of using polythene bags, we should use bags made up of:

1. Nylon

2. Synthetic fibres

3. Paper

4. Teflon

Q.

Where do you get to see a closed loop recycling?

1. Wooden products

2. Food wastes

3. Plastics and metal wastes

4. Animal wastes

Q. Plastic bags must be used more instead of cloth bags.

1. False
2. True

Q. The use of one of the following will pollute the environment. This one is :
(a) paper carry bags
(b) cotton cloth carry bags
(c) nylon cloth carry bags
(d) jute carry bags

Q. With the help of a lens look at the pieces of recycled and new paper. Do you see any difference in the material of recycled paper and a new sheet of paper? [1 mark]

Q. Sepaartion of paper and plastic items is an essential step in the recycling process.

1. True
2. False

Q. Plastic bags must be used more instead of cloth bags.

1. False
2. True

Q. Papier mâchè is a paste produced by recycling waste paper.

1. True
2. False

Q. Paper cannot be recycled.

1. False
2. True

Q. Trees are cut for making paper.

1. False
2. True

Q. To become environment-friendly, instead of using polythene bags, we should use bags made up of:

1. Nylon

2. Synthetic fibres

3. Teflon

4. Paper

Q. To become environment-friendly, instead of using polythene bags, we should use bags made up of:

1. Nylon

2. Synthetic fibres

3. Paper

4. Teflon