NCERT Solutions For Class 10 Science Chapter 16 Sustainable Management of Natural Resources

Sustainable Management Of Natural Resources Class 10 Science Chapter 16

NCERT Books Solutions For Class 10 Science Chapter 16 Sustainable Management of Natural Resources

NCERT Solutions For Class 10 Science Chapter 16 Sustainable Management of Natural Resources is the first stepping stone for a student in the competitive world. With the introduction of the CBSE Board Exam for class 10 a few years back, this has become an important gateway for a student as based on the results of class 10th a student selects his future stream of Science, Commerce, or Arts.

Takshila Learning provides you with detailed and well explained NCERT Solutions for Class 10 of each chapter of each subject for NCERT Class 10. These NCERT Solutions help you to easily understand every concept so that you can score high in your CBSE Class 10 Board Exams.

Below you can find theNCERT solution for Class 10th Science. You can get a Solution for the all-important question of “Chapter 16 Science Class 10 Sustainable Management of Natural Resources”

Download PDF NCERT Solution for Class 10 Science "Sustainable Management of Natural Resources"

Ques 1: What changes can you make in your habits to become more environment-friendly?

Answer: We can be eco-friendly by:

Using the principle of 3R’s i.e. reduce, reuse and recycle.
Putting off unnecessary lights and fans.
Using unleaded petrol in vehicles.
Using transport like buses or train.

Ques 2: What would be the advantages of exploiting resources with short-term aims?

Answer: If resources are exploited with short-term aims it will be very beneficial for the present generation as it will help in growth of economy at a faster rate.

Ques 3: How would these advantages differ from the advantages of using a long-term perspective in managing our resources?

Answer: If resources are used in accordance with short-term AIIMS, present generation will be able to utilise the resources properly for growth and development.

But we if we use resources with Long Term aims, future generation will also be able to utilise resources for fulfilling its needs.

Thus, it would be better to use our natural resources with a lot of perspective so that it could be used by the present generation as well as conserved for future use. But it will deprive future generation from the benefit of these resources as resources are exhaustible.

Ques 4: Why do you think that there should be an equitable distribution of resources? What forces would be working against an equitable distribution of our resources?

Answer: Natural resources of the earth must be distributed among the people uniformly so that each and everyone gets his share of the resource.

Human greed, corruption, and the lobby of the rich and powerful other forces working against an equitable distribution of resources.

Intext questions (set 2)

Page no. 273

Ques 1: Why should we conserve forests and wildlife?

Answer: We should conserve Forest and wildlife because they are essential for us in the following terms:

Forest provide us oxygen, because the rainfall.
Forest prevent soil erosion.
Plants are dependent on animals and birds for their pollination and seed dispersal.
Forest provides us various medicines.
Various Forest products are used as the row materials in industries.

Ques 2: Suggest some approaches towards the conservation of forests.

Answer: Some approaches towards the conservation of forest are:

Conversion of forests into national parks, sanctuaries.
To take help of local people in conserving forest.
Not to allow the destruction of Forest for making roads, dams and hotels etc.
Planting of trees should be increased.

Intext questions (set 3)

Page no. 276

Ques 1: Find out about the traditional systems of water harvesting/ management in your region.

Answer: In populated metropolitan cities, the primary sources of water include groundwater and lakes. Groundwater is harvested with the help of borewells whereas pipes harvest water directly from the lakes. The harvested water is then stored in water tankers placed at strategic locations throughout the city.

Ques 2: Compare the above system with the probable systems in hilly/ mountainous areas or plains or plateau regions.

Answer: In planes, the water harvesting structures are crescent shaped burden embankments. These are low, street, and concrete.

In hilly regions, the system of canal irrigation called Kulhsis, used for water harvesting. This involves a collection of rainwater in a stream, which is then diverted into man-made channels down the hillsides.

Ques 3: Find out the source of water in your region/locality. Is water from this source available to all people living in that area?

Answer: In metropolitan cities, the primary source of water is groundwater. This water is made available to all people in the city. However, poor infrastructure in some localities makes it difficult for some people to obtain the water.

Exercise:

Page no. 280

Q1. What changes would you suggest in your home in order to be environment-friendly?

Answer: Changes that can be undertaken in our home to be environment friendly are:

Switch off the electrical appliances when not in use.
Turn the taps while brushing or batting and repair the leaking taps.
Through biodegradable and nonbiodegradable waste in separate bins. construct composting pits.
Food items such as jam, pickles, etc., Come packed in plastic bottles. These bottles can later be used for storing things in the kitchen.

Q2. Can you suggest some changes in your school which would make it environment-friendly?

Answer: Changes that can be undertaken in our school to make it environment friendly are:

Electricity can be saved by switching off lights and fans when not required.
Turn the taps off when not in use.
Biodegradable and nonbiodegradable waste should be thrown into separate bins.

Q3. 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?

Answer: The forest department of the government should have the authority to decide the management of forest produces. This is because the forest department is the caretaker of the forest land and is responsible for any damage to the forest.

Q4. 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?

Answer: Forest and wildlife:

We should protest against the cutting of trees (deforestation).

We should protect against the poaching of wild animals.

We should stop the annexation of forest land for use.

Water resources:

Turn the taps off while brushing or batting and repair leaking taps.

We should practise rainwater harvesting.

We should avoid the discharge of sewage and other waste into rivers and other water resources.

Coal and petroleum:

We should take A bus or practice carpooling to avoid excessive use of petroleum.

We should use we should stop using coal as a fuel.

We should use alternative source of energy such as hydro energy and solar energy instead of depending largely on coal and petroleum.

Q5. What can you as an individual do to reduce your consumption of the various natural resources?

Answer: Natural resources such as water, Forest and petroleum, etc. Are important for the survival of human beings. The ways in which we can reduce the consumption of various natural resources are:

We should stop cutting of trees deforestation.
We should use recycled paper to reduce the cutting down of trees is for stop
We should not waste water.
We should practise rainwater harvesting.
We should practise carpooling to avoid the excessive use of petroleum.
We should use Alternative source of energy such as hydro energy and solar energy.

Q6. List five things you have done over the last week to (a) conserve our natural resources. (b) increase the pressure on our natural resources.

Answer: Practices for the conservation of natural resources include:

Use of bicycles and public transport while traveling to reduce fuel consumption. Use of recycled paper and other recycled products.
Segregation of garbage into biodegradable and non-biodegradable bins.
Avoiding the wastage of water by using it judiciously and fixing any leaking taps/pipes.

Practices that deplete natural resources include:

Wastage of electrical energy by leaving electrical appliances on after use.
Wastage of water by ignoring any leaking pipes/taps and leaving the tap on while brushing.
Excessive use of plastic products such as polythene bags.

Q7. On the basis of the issues raised in this chapter, what changes would you incorporate in your lifestyle in a move towards the sustainable usage of our resources?

Answer: One should incorporate the following changes in lifestyle in a move to words sustainable use of our resources:

Stop cutting trees and practice plantation of trees.
Stop using plastic and polythene bags for carrying foods.
Use recycled paper.
Throw biodegradable in nonbiodegradable waste into separate beans.
Waste minimum amount of water while using and repair leaking taps.
Practice rainwater harvesting.
Avoid using vehicle for short distance is, Instead, one can walk or cycle to cover short distance is.
To cover long distance is, one should take a bus instead of using personal vehicles.
Switch of electrical appliances when not in use.
Use fluorescent tube is in place of bulbs to save electricity.
Take stairs and avoid using lift
During winters, where a next a sweater to avoid using heaters.