with verified answers
Management should ensure equitable distribution >> Ans✔✔-This management
should also ensure equitable distribution of resources
so that all, and not just a handful of rich and powerful people, benefit from the
development of these resources
sustainable development implies a change >> T Ans✔✔-hus sustainable
development implies a change in all aspects of life.
Management of Natural Resources >> Ans✔✔-using our resources so as to
sustain the resources and conserve our environment natural resources like
forests, wild-life, water, coal and petroleum managed for sustainable
development
environmental problems >> Ans✔✔-Are global-level problems There are
international laws and regulations, and then there are our own national laws and
acts for environmental protection There are also national and international
organisations working towards protecting our environment
three R's to save the environment >> Ans✔✔-Reduce, Recycle and Reuse.
Reduce >> Ans✔✔-This means that you use less.
Examples of Reduce >> Ans✔✔-You save water by repairing leaky taps. You do
not waste food. You save electricity by switching off unnecessary lights and fans.
,Recycle >> Ans✔✔-This means that you collect plastic, paper, glass and metal
items and recycle these materials to make required things instead of synthesising
or extracting fresh plastic, paper, glass or metal In order to recycle, we first need
to segregate our wastes so that the material that can be recycled is not dumped
Reuse: >> Ans✔✔-This is actually even better than recycling because the process
of recycling uses some energy In the 'reuse' strategy, you simply use things again
and again. Instead of throwing away used envelopes, you can reverse it and use it
again
Examples of reuse >> Ans✔✔-The plastic bottles in which you buy various food-
items like jam or pickle can be used for storing things in the kitchen
The concept of sustainable development >> Ans✔✔-encourages forms of growth
that meet current basic human needs, while preserving the resources for the
needs of future generations Economic development is linked to environmental
conservation. It depends upon the willingness of the people to change their
perceptions of the socio-economic and environmental conditions around them,
and the readiness of each individual to alter their present use of natural resources
16.1 WHY DO WE NEED TO MANAGE OUR RESOURCES? >> Ans✔✔-all the things
we use or consume- are obtained from resources on this earth. The only thing we
get from outside is energy which we receive from the Sun Even this energy is
processed by living organisms and various physical and chemical processes on the
earth before we make use of it
Why do we need to use our resources carefully? >> Ans✔✔-Because these are
not unlimited and with the human population increasing at a tremendous rate
due to improvement in health-care, the demand for all resources is increasing at
an exponential rate.
, The management of natural resources requires a long-term perspective >>
Ans✔✔-that these will last for the generations to come and will not merely be
exploited to the hilt for short term gains.
Detrimental effect of extraction of natural resources >> exploit these natural
resources Ans✔✔-damage we cause to the environment while these resources
are either extracted or used. For example, mining causes pollution because of the
large amount of slag which is discarded for every tonne of metal extracted.
Management entails safe waste disposal plan >> Ans✔✔-sustainable natural
resource management demands plan for the safe disposal of these wastes too
1. >> 1. What changes can you make in your habits to become more environment-
friendly? Ans✔✔-
2. >> 2. What would be the advantages of exploiting resources with short-term
aims? Ans✔✔-
3. >> 3. How would these advantages differ from the advantages of using a long-
term perspective in managing our resources? Ans✔✔-
4. >> 4. Why do you think there should be equitable distribution of resources?
What forces would be working against an equitable distribution of our resources?
Ans✔✔-
16.2 FORESTS AND WILD LIFE >> Ans✔✔-Forests are 'biodiversity hot spots'. One
measure of the biodiversity of an area is the number of species found there the