4 R Principle

Q.

Explain how plastics are a boon as well as a curse.

Q. Explain the effect of thermocol on environment and human health.

Q.

Why is it not advisable to store eatables in recycled plastic?

Q.

Explain the use of plastics in health care industry. [2 MARKS]

Q.

State the various ways in which we can avoid (or minimize) the use of plastics.

Q.

What are the various ways to save the environment from excessive plastic wastes ?

Q.

Drains get choked by plastics thrown by us.

1. True
2. False

Q.

Plastics give out harmful gases upon heating or burning.

1. True
2. False

Q.

Being a responsible citizen, we have to develop habits that are environment-friendly. What is the 4R principle we all should follow?

1. Reduce, Reuse, Recycle and Recover

2. Reduce, Rethink, Reply and Recover

3. Refine, Reuse, Reduce and Respond

4. Reuse, Refine, Reply and Respond

Q.

Plastic is used for making a large variety of articles of daily use and these articles are very attractive. But it is advised to avoid the use of plastic as far as possible. Why?

Q.

Find out information about bio plastic?

Q.

What is plastic attack?

Q. Recover is one of the 4R principle to save environment. Identify the other three.

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

Q.

In environmental science class, a student learns that the 4R principle is used to protect the environment. The teacher asked a student to name the four R's in the 4R principle. The student correctly gives the name for three R's as Reduce, Reuse, and Recycle. However, the student cannot name the last R'. What does the fourth R stand for?

1. Replacement
2. Regeneration
3. Recover
4. Retard

Q. To which of the following does the 4R principle apply the most?

1. Synthetic fibre
2. Natural fibre
3. Metals
4. Plastic

Q. To which of the following does the 4R principle apply the most?

1. Organic garbage
2. Natural fibres
3. Manures
4. Plastics

Q. Environmental pollution by plastics can be minimized by practising the 4R principle, which stands for:

1. Reduce, Reuse, Recycle and Remember.
2. Reduce, Reuse, Recycle and Recover.
3. Reduce, Reuse, , Rework and Recycle.
4. Reduce, Regenerate, Rework and Recycle.

Q.

In our day-to-day situation, what are the alternative that we can use instead of plastics?

Q.

The measures to be taken to keep public places clean and free from plastic are:

1. throw plastic bags in the water bodies or on the road.

2. try using cotton or jute bags instead of plastic bags.

3. use a plastic lunch box instead of a steel one.

4. always ask for a plastic bag from shops even if you have a jute or cotton bag.

Q. Question 15
Plastic is used for making a large variety of articles of daily use and these articles are very attractive. But it is advised to avoid the use of plastic as far as possible. Why?

Q. To save the environment from the harmful effects of plastics, we should follow the 5R principle. Which of the following is(are) the processes that should be followed under this principle?

1. Reduce
2. Reuse
3. Remember
4. Retest

Q. To which of the following does the 4R principle apply the most?

1. Synthetic fibre
2. Natural fibre
3. Metals
4. Plastic

Q. Match the following R's from 5R principles with their meaning.

1. Reclaim
2. Process and use
3. Use again
4. Minimum use

Q. Prevention of wastage of materials and energy can be done through _______.

1. Reducing consumption
2. Recycling
3. Selection of suitable facility for production
4. All of the above

Q. Which of the following are hazards of glass?

1. Death of aquatic life
2. Blockage of drainage
3. Air pollution
4. Storing of medicines

Q. To which of the following "4R" principle apply most?

1. Synthetic fibre
2. Natural fibre
3. Plastic
4. Metals

Q.

Plastics give out harmful gases upon heating or burning.

1. True
2. False

Q. Which of these is not a harmful effect of using glass?

1. Blocking of drain
2. Pollution of air
3. Reuse of old glass jar
4. Death of aquatic life

Q. Which of the following is a method to control water pollution?

1. Using water hyacinth to remove water pollutants
2. Recycling, Renovation, Recharge and Reuse (4R concept) of waste water
3. Both A and B
4. None of these

Q. Plastics are not environmental friendly because it takes several years to decompose and burning of plastics also causes air pollution. So, a responsible citizen should remember 5R principle. Here 5R stands for.

1. Renovate, Recycle, Reduce, Reuse, Recover
2. Refuse, Renovate, Return, Recycle, Recover
3. Refuse, Reduce, Reuse, Recycle, Recover
4. Renovate, Reduce, Reuse, Recover, Reform