State any four personal choices you would like to make to reduce energy consumption without affecting the quality of life or work explaining how each one of them would help you to do so. [Foreign]
Name the products of combustion of fossil fuels like coal and petroleum products. How do they affect us and our environment ?
(a) What is a natural resource ? Name three important natural resources.
(b) Why do we need to manage our natural resources ?
Give two examples each of the following:
Fill in the following blanks with suitable words :Fill in the following blanks with suitable words :
(a) LPG is a ……………fuel but biogas is not a…………. fuel.
(b) Glaciers are a source of…………………..
(c) One of the main aim of management of forests and wildlife is to conserve the……………….which we haveinherited.
(d) Khadin is a traditional………………………..harvesting system in Rajasthan.
(e) When a fuel burns in an insufficient supply of air, then some poisonous gas called ……………………….. is also produced.
State two changes you can make in your habits to reduce the consumption of electricity or water. [All IndiaiC)]
(a) Name the major industries which are based on forest produce.
(b) State the main aim of the management of forests and wildlife.
(c) Name the four main stakeholders in the management of forest resources.
Why must we conserve our forests? List any two causes for deforestation to take place. [Delhi]
State the meaning of “sustainable management”. Reuse is better than recycling. How? [Foreign]
What is the name of the process in which rainwater falling on the earth is stopped from flowing and made to percolate into the ground ?
Choose one term from the following which include all others :
coal, natural gas, fossil fuels, petroleum
What is an equitable distribution of resources in a society and why is it necessary? State any two factors which work against an equitable distribution of resources. [Foreign]
(a) Locate and name the water reservoirs in figures (a) and (b).
(b) Which has an advantage over the other and why?
List any four disadvantages of using fossil fuels for the production of energy. [All India]
Give one example to show how the participation of local people can lead to the efficient management of forests.
(a) Name any five sources of water (other than rivers)
(b) Describe how, the water of river Ganga has been highly polluted.
(a) What is meant by rainwater harvesting ? Name some of the ancient structures used for rainwater harvesting by the rural people.
(b) What are the various advantages of water stored in ground ?
What is meant by sustainable management? The environmentalists are insisting upon “sustainable natural resource management”. State its four advantages. [All India (C)]
What are non-renewable resources of energy? Give two examples of such resources. [Delhi]
Although coal and petroleum are produced by the degradation of biomass, even then we need to conserve them. Why ?
Although coal and petroleum are produced by degradation of biomass, yet we need to conserve them. Why?
Why do you think there should be equitable distribution of resources? What forces would be working against an equitable distribution of our resources?
Why are forests considered “biodiversity hot spots”? List two ways in which an individual can effectively contribute to the management of forests and wildlife. [Foreign; All India 2010]
Name the bacteria whose presence in water indicates the contamination with disease-causing micro-organisms.
Which fossil fuel is conserved :Which fossil fuel is conserved :
(a) when we save on electricity ?
(b) when we use bicycle for covering short distances instead of a motorbike ?
Explain why, despite good rains, we are not able to meet the demand for water of all the people in our country.
Explain briefly, how rainwater harvesting is done from open spaces around the buildings in city areas.
How would these advantages differ from the advantages of using a long-term perspective in managing our resources?
Suggest three ways to maintain a balance between environment and development to survive. [Delhi]
Suggest any four changes that you would like to incorporate in the life style of students of your age to move towards a sustainable use of available resources. [All India Delhi 2008(C)]
How do advantages of exploiting natural resources with short-term aims differ from the advantages of managing our resources with a long ¬term perspective? [Foreign]