Tag: conservation

Questions Related to conservation

Use of _______ helps in water purification.

  1. Sodium

  2. Alum

  3. Chlorine

  4. Both B and C


Correct Option: D
Explanation:

There are several source of water pollution like industrial effluents, sewage water, radiobiological pollutants etc. Alum is used to clarify water by coagulating soil or mud particles whereas chlorine makes water free from pathogenic bacteria.

For recycling the waster articles are sorted out by 

  1. Rag picker

  2. Big Business men

  3. Both of them

  4. None


Correct Option: A
Explanation:

Waste articles are sorted out by Rag pickers and then rag pickers sell the articles to the industries engaged in recycling. 

The concept of sustainable development encourages

  1. Form of growth that meets current basic needs

  2. Preservation of the resources for the need of future generation

  3. A change in all respects of life

  4. All of the above


Correct Option: D

Sustainable development includes

  1. Environment sustainability

  2. Economic sustainability

  3. Both A and B

  4. Geological sustainability


Correct Option: C

Sustainable development focuses on more use of 

  1. Renewable Resources

  2. Abiotic Resources

  3. Agriculture Resources

  4. Natural Resources


Correct Option: A
Explanation:

Renewable resources are the resources which can be replenishment. Like sunlight, rainwater. The use of renewable resources favours the sustainable development. As sustainable development focuses on the meeting the need of present without hampering the future generation.

So, the correct answer is option A.

World Summit on Sustainable Development, 2002 was held in

  1. Rio de Janeiro, Brazil.

  2. Johannesburg, South Africa.

  3. Dehradun, India.

  4. New York, USA.


Correct Option: B
Explanation:

The World Summit on Sustainable Development (WSSD) was held in Johannesburg, South Africa, from 26 August to 4 September 2002. 

So, the correct option is 'Johannesburg,South Africa'.

What is the name of the action plan for sustainable development in the Twenty first century framed in the Rio Declaration on Environment & Development (1992)?

  1. Action 21

  2. Agenda 21

  3. Rio 21

  4. Declaration 21


Correct Option: B

Of all of the energy production in the United States, what percentage is lost in distribution and inefficient use?

  1. 10

  2. 25

  3. 40

  4. 50


Correct Option: C

'Folsom bottles' were created by

  1. Prof.Claire Folsom

  2. Edward Suess

  3. Ed Shareen

  4. Folsom


Correct Option: A

CFCs can form bubbles in foam, making it a good

  1. Conductor

  2. Insulator

  3. Equipement

  4. Device


Correct Option: B