Reduce, Recycle and Reuse

Q.

Write in four points “what are the objectives of waste disposal”?

Q.

What is energy audit?

Q.

Write about reduce, reuse and recycle. List the things that can be reduce, reuse and recycle.

Q. Instead of throwing away used envelopes, Karan uses them again by reversing them. Which practice of 5R's is being followed by him?

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

Q.

What is full form of 4 R's ?

Q.

How many important methods of resource conservation are there at the individual local level?

__

Q.

The three Rs that will help us to conserve natural resources for long-term use are.

1. Recycle, regenerate, and reuşe.

2. Reduce, regenerate and reuse.

3. Reduce, reuse and redistribute.

4. Reduce, recycle and reuse.

Q.

(i)What depletes the ozone layer in the stratosphere? How does this affect human life?

(ii) Write one damaging effect of ozone depletion on humans and plants, respectively.

Q. Reusing is better than the process of recycling because

1. In recycling we use the things again and again till they get broken or disfigured
2. Reusing means to decrease the use of any resource
3. Reusing does not require energy
4. No energy is spent to recycle old objects

Q.

Why are the 6 Rs important?

Q.

Question 1
What changes would you suggest in your home in order to be environment-friendly?

Q.

Question 33
Prepare a list of five activities that you perform daily in which natural resources can be conserved or energy utilization can be minimized.

Q.

Why do not lichens occur in Delhi whereas they commonly grow in Manali or Darjeeling?

Q.

What is the important element of energy policy?

Q. Reusing is better than the process of recycling because

1. Reusing does not require energy
2. Reusing means to decrease the use of any resource
3. No energy is spent to recycle old objects
4. In recycling we use the things again and again till they get broken or disfigured

Q. The 3 R's are Reduce, Reuse and .

1. Rethink
2. Recycle
3. Replace

Q.

What is energy management?

Q. Disposable plastic plates should not be used because:​

Q.

In a certain medical shop, the shopkeeper uses a strategy of using the pages of the old newspaper to make envelopes for medicine. Which of the 3 R strategies was implemented by him?

1. Reduce

2. Recycle

3. Reuse

4. No strategy was used, it's just common sense.

Q.

Choose the activity which falls under 'reduce' strategy?

1. Save electricity by switching off unnecessary lights and fans.

2. By using plastic bottles again and again.

3. Save water by replacing leaky taps.

4. Both A and C.

Q.

Which of the following terms means to re-use used materials again?

1. Reuse

2. Recycle

3. Reduce

4. None of These

Q. Which one is not a natural resource?

1. Natural gas
2. Soil erosion
3. Soil
4. Metals

Q. Unnecessary travel can be reduced by alternate method of video conferencing that reduces the fuel consumption which in-turn reduces environment pollution.

1. True
2. False

Q.

Repeated use of articles till it get damaged is called ____________.

Q.

Which is not an harmful effect of ozone depletion

1. Cataract

2. Skin cancer

3. Decreased immunity

4. Respiratory trouble

Q. Which one is not a natural resource?

1. Soil
2. Natural gas
3. Metals
4. Soil erosion