KSEEB SSLC Class 10 Science Solutions Chapter 16 Sustainable Management of Natural Resources

KSEEB SSLC Class 10 Science Solutions Chapter 16 Sustainable Management of Natural Resources are part of KSEEB SSLC Class 10 Science Solutions. Here we have given Karnataka SSLC Class 10 Science Solutions Chapter 16 Sustainable Management of Natural Resources.

Karnataka SSLC Class 10 Science Solutions Chapter 16 Sustainable Management of Natural Resources

KSEEB SSLC Class 10 Science Chapter 16 Intext Questions

Text Book Part I Page No. 128

Question 1.
What changes can you make in your habits to become more environment friendly?

  1.  We must refuse to buy products that harm us and the environment.
  2.  We should minimise the use of electricity and water.
  3.  We should encourage recycling of things.

Question 2.
What would be the advantages of exploiting resources with short-term aims?
With the human population increasing at a tremendous rate due to improvement in health-care, thedem and for all resources is increasing at an exponential rate. The management of natural resources requires a long term perspective so that these will last for the generations to come and will not merely be exploited to the hilt for short term gains.

Question 3.
How would these advantages differ from the advantages of using a long term perspective in managing our resources?
If resources are used in accordance with short term aims, present generation will be able to utilize the resources properly for overall development. But if we plan to use resources with long term aims, not only the present generation is benefited but also the future generations will also be able to utilize resources for fulfilling its necessities. Thus it would be better to use our natural resources with a long term perspective so that it could be used by the present generation as well as conserved for future use.

Question 4.
Why do you think that there should be equitable distribution of resources? What forces would be working against an equitable distribution of our resources?
Nature shows no partiality. Natural resources belong to all and these resources should be used judiciously. Equitable distribution of resources will benefit both poor as well as rich people.
Human greed, corruption, and the lobby of the rich and powerful are the forces working against an equitable distribution of our resources.

Text Book Part I Page No. 132

Question 1.
Why should we conserve forests and wildlife?

  1. Destruction of forests not only affect on forest products but it affects the water resources and it is soil pollution.
  2. Destruction of forest leads to shortage of fodder for animals, shortage of medicinal plants, shortage of fruits and nuts.
  3. There is a shortage of valuable timbers such as sal, sandal wood etc.
  4. Wild animals are also useful to us in many ways, hence we should conserve these by building sanctuaries and prohibited hunting.

Question 2.
Suggest some approaches towards the conservation of forests.

  1. Cutting valuable trees should be prevented.
  2. We should use forest products, such that there should not be damage to the environment.
  3. All people should participate in the conservation of forest and wild animals.

Text Book Part I Page No. 135

Question 1.
Find out about the traditional systems of water harvesting/ management in your region.
We must dug small pits and lakes, put in place simple water shed systems, built small earthen dams, constructed dykes, sand and limestone reservoirs, set up root top water collecting units. These are the traditional systems of water harvesting/management in our region.

Question 2.
Compare the above system with the probable systems in hilly/ mountainous areas or plains or plateau regions.
In the above mentioned places check dams are built because here water harvesting is difficult.

Question 3.
Find out the source of water in your region/locality. Is water from this source available to all people living in that area?
Tube wells and river water (Tungabhadra) are the water sources available to all people in our area. There are different sources in different places. In some places there is too much shortage of water because of failure of rain recently.

KSEEB SSLC Class 10 Science Chapter 16 Textbook Exercises

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

  1. We must save water and electricity.
  2. We should not waste food.
  3. We should encourage reuse and recycling.
  4. We must minimise the use of plastics.

Question 2.
Can you suggest some changes in your school which would make it environment friendly?

  1. Enough plants and trees can be planted in the school.
  2. Water should not be wasted but should be used judiciously.
  3. Students should be taught to keep their classrooms and immediate surroundings neat and tidy.
  4. Compost pits may be made in safe comers of the school, where biodegradable wastes may be dumped to prepare compost.
  5. Minimising the usage of loudspeakers.
  6. Organising seminars, quiz, essay competition, drawing competitions for spreading environmental awareness, celebrating Vanamahotsava… etc.

Question 3.
We saw in this chapter that there are four main stakeholders when it comes to forests and wildlife. Which among these should have the authority to decide the management of forest produce? Why do you think so?
The local people need large quantities of firewood, small timber and thatch. Bamboo is used to make slats for huts, and baskets for collecting and storing food materials. Implements for agriculture, fishing and hunting are largely made of wood, also forests are sites for fishing and hunting.

In addition to the people gathering fruits, nuts and medicines from the forests, there cattle also graze in forest areas or food on the fodder which is collected from forests.

Because of these reasons the people who live in or around forests have authority to decide the management of forest produce.

Question 4.
How can you as an individual contribute or make a difference to the management of
(a) forests and wildlife
(b) water resources and
(c) coal and petroleum?
a) Forests and wild animals.

  1. cutting valuable trees should be avoided by destroying forest affects the quality of soil and water resources.
  2. Hunting should be prohibited.
  3. There should be wild sanctuaries which gives protection for wild animals.

b) Water Resources:

  1. Water resources should be free from pollution.
  2. Excess usage of water should be avoided.

c) Coal and Petroleum:
We should minimise the use of coal and petroleum, because these are fossil fuels. By burning these there are ill effects such as air pollution and acid rainfall etc.

Question 5.
What can you as an individual do to reduce your consumption of the various natural resources?

  1. We must have come across the five R’s to save the environment: Refuse, Reduce, Reuse, Repurpose and Recycle.
  2. We should encourage tree plantation programmes.
  3. We must reduce the burning of fossil fuels.
  4. Encouragement should be given for harvesting the water.

Question 6.
List five things you have done over the last one week to —
(a) conserve our natural resources.
We should travel in bus instead of using own vehicles or we should practice walking, we must use LED bulbs or fluorescent tubes in our homes. We must use the lift or taking the stairs, wearing an extra sweater or using a heating device (heater or sign) on cold days.

(b) increase the pressure on our natural resources.

  1. We should grow Number of trees around our house.
  2. Reducing own vehicles by using public transport system or by, walking.
  3. There should not be more factories.
  4. We must prevent soil erosion.
  5. We must reduce the usage of vehicles to avoid air pollution.

Question 7.
On the basis of the issues raised in this chapter, what changes would you incorporate in your lifestyle in a move towards sustainable use of our resources?
We need to change our lifestyles so that we can use natural resources on a sustainable basis. The changes which can be brought about are as follows:

  • Stop cutting trees and start planting trees.
  • Use LED bulbs and fluorescent tubes.
  • Take the stairs and avoid using lifts.
  • During summers use bamboo made fans avoid air coolers and electricians.
  • Use more of public transport.
  • Let our conscience be always alert not to pollute the environment from any of our activities.

KSEEB SSLC Class 10 Science Chapter 16 Additional Questions and Answers

1. Fill in the blanks

Question 1.
…… and …… are followed as means of protection of nature and natural resources.
traditions, customs and rituals.

Question 2.
Prticipation of the …… can indeed lead to the efficient management of forests.
local people

Question 3.
Irrigation methods like have been used in various parts of India since ancient times.
dams, tanks and canals.

Question 4.
…… and …… were formed from the degradation of biomass millions of years ago.
Coal, petroleum

Question 5.
Fossil fuels contain carbon along with …… also.
hydrogen, nitrogen and sulphur.

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