NCERT Solutions for Class 10 Science Chapter 16 Management Of Natural Resources

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Written by Team Trustudies
Updated at 2021-02-27


NCERT solutions for class 10 Science Chapter 16 Management Of Natural Resources Exercise

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



NCERT Solutions for Class 10 Science Chapter 16 Management Of Natural Resources


Answer :

Changes that can be undertaken in our homes to be environment-friendly are:

? Switch off the electrical appliances when not in use.

? Turn the taps off while brushing or bathing and repair the leaking taps.

? Throw biodegradable and non-biodegradable waste into 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?



NCERT Solutions for Class 10 Science Chapter 16 Management Of Natural Resources


Answer :

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

(i) Electricity can be saved by switching off lights and fans when not required.

(ii) Turn the taps off when not in use.

(iii) Biodegradable and non-biodegradable wastes should be thrown into separate bins.

(iv) Planting trees.

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?



NCERT Solutions for Class 10 Science Chapter 16 Management Of Natural Resources


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 care taker 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?



NCERT Solutions for Class 10 Science Chapter 16 Management Of Natural Resources


Answer :

(a) Forest and wildlife:
? We should protest against the cutting of trees (deforestation).
? We should protest against the poaching of wild animals.
? We should stop the annexation of forest land for our use.

(b) Water resources: ? Turn the taps off while brushing or bathing and repair leaking taps.
? We should practice rainwater harvesting.
? We should avoid the discharge of sewage and other wastes into rivers and other water resources.

(c) Coal and petroleum:
?We should take a bus or practice car pooling to avoid excessive use of petroleum.
? We should stop using coal as a fuel (angithis).

(iii)We should use alternative sources 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?



NCERT Solutions for Class 10 Science Chapter 16 Management Of Natural Resources


Answer :

Natural resources such as water, forests, coal 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 the cutting of trees (deforestation).
? We should use recycled paper to reduce the cutting down of trees.
? We should not waste water.
? We should practice rainwater harvesting.
? We should practice car pooling to avoid the excessive use of petroleum.
? We should use alternative sources of energy such as hydro-energy and solar energy.

Q7 ) On the basis of the issues raised in this chapter, what changes would you incorporate in your life-style in a move towards sustainable use of our resources?



NCERT Solutions for Class 10 Science Chapter 16 Management Of Natural Resources


Answer :

One should incorporate the following changes in life-style in a move towards a sustainable use of our resources:


(i) Stop cutting trees and practice plantation of trees.

(ii) Stop using plastic and polythene bags for carrying goods.

(iii) Use recycled paper.

(iv) Throw biodegradable and non-biodegradable waste into separate bins.

(v) Waste minimum amount of water while using and repair leaking taps.

(vi) Practice rainwater harvesting.

(vi) Avoid using vehicles for short distances instead, one can walk or use cycle to cover short distances. To cover long distances, one should take a bus instead of using personal vehicles.

(vii) Switch off electrical appliances when not in use.

(viii) Use fluorescent tubes in place of bulbs to save electricity.

(ix) Take stairs and avoid using lifts.

(x) During winters, wear an extra sweater to avoid using heaters.

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.



NCERT Solutions for Class 10 Science Chapter 16 Management Of Natural Resources


Answer :

(a) To conserve our natural resources:

(i) Travel by a CNG bus for long distances and walk for short distances.
(ii) Use recycled paper
(iii) Throw biodegradable and non-biodegradable waste into separate bins
(iv) Plant trees
(v) Harvest rainwater

(b) To increase the pressure on our natural resources:
(i) Use non-renewable resources of energy
(ii) Waste water
(iii) Waste electricity
(iv) Use plastics and polythene bags for carrying goods
(v) Use escalators

NCERT solutions for class 10 Science Chapter 16 Management Of Natural Resources Intext Exercise

Q1 ) What changes can you make in your habits to become more environment-friendly?



NCERT Solutions for Class 10 Science Chapter 16 Management Of Natural Resources


Answer :

I would like to apply the following measures to become more eco-friendly:

(i) Segregate waste into recyclable and non-recyclable parts and follow the 3 Rs(Reduce,Reuse and Recycle).

(ii) Switch off the electrical appliances like lights, fans, television and others when not used.

(iii) Use appliances which are energy efficient.

(iv) Reduce in use of vehicles for short distances.

(v) Reuse paper, plastic and glass bottles.

Q2 ) What would be the advantages of exploiting resources with short-term aims?



NCERT Solutions for Class 10 Science Chapter 16 Management Of Natural Resources


Answer :

The advantage of exploiting resources with short term aims would be self-centered satisfaction for present generation and they provide immediate advantages and people would have more than sufficient resources for use.

Q3 ) How would these advantages differ from the advantages of using a long-term perspective in managing our resources?



NCERT Solutions for Class 10 Science Chapter 16 Management Of Natural Resources


Answer :

In long term perspective, the resources can be used for the benefit of the present generation and also conserved for the benefit of future generation. This ensures uniform distribution of resources among the people but short term aims and benefits only the present generation.

Q4 ) Why do you think there should be equitable distribution of natural resources? What forces would be working against an equitable distribution of resources?



NCERT Solutions for Class 10 Science Chapter 16 Management Of Natural Resources


Answer :

There should be equitable distribution of natural resources so that all people whether rich or poor utilize them according to requirement and can get benefited from the development of these resources. In fact, living beings have equal right to utilize the resources of the earth. But, some rich and greedy people work against an equitable distribution of resources due to which sufficient amounts of resources are not available to the other people.

Q5 ) Why should we conserve forests and wildlife ?



NCERT Solutions for Class 10 Science Chapter 16 Management Of Natural Resources


Answer :

We should conserve forest and wildlife because of the following reasons:
(i)They help in maintaining the ecological balance because they play an important role in the food chain.

(ii)They provide us with useful things like rubber, wood, honey, fruits, seeds, leaves of bidi etc and also they provide different species of plants and animals for medicinal use.

(iii)They purify the air, control flood and prevent soil erosion and maintain its fertility.

(iv)Forests conserve biodiversity and hereditary resources hence creating an Ecological stability. Damage in diversity can disturb the Ecological stability.

Q6 ) Suggest some approaches towards the conservation of forests.



NCERT Solutions for Class 10 Science Chapter 16 Management Of Natural Resources


Answer :

Some of the methods for forest conservation are as follow :

(i)Ban on cutting of forest as forests stop soil erosion and also reforestation of the deforested areas should be undertaken..

(ii)Forest fires should be controlled.

(iii)Forests should be saved from pests and insects.

(iv)Overgrazing should be prohibited by the cattles.

(v)Rules and laws should be strictly enforced.

Q7 ) Find out about the traditional systems of water harvesting/ management in your region.



NCERT Solutions for Class 10 Science Chapter 16 Management Of Natural Resources


Answer :

In the houses, systems of rainwater harvesting are installed which collect the water running off and channel it into a special pit created for collecting the water.Also soak pits are made to collect run-off water. This helps to recharge ground water.

Q8 ) Compare the above systems with the probable systems in hilly/ mountainous areas or plains or plateau regions.



NCERT Solutions for Class 10 Science Chapter 16 Management Of Natural Resources


Answer :

Drinking water system in hilly areas:In this system, the water flowing through falls, comes to villages located in lower regions through small human made drains also the water is brought down to the lower areas of hills through bamboo drains.
Drinking water system in plains:small sources are made in various regions like Jhalaras were made in Rajasthan and Gujarat, essentially meant for community use and for religious rites.Also the use of dams is done in many areas.

Drinking water system in plateau regions:Dams or diversion which were built across rivers for the supply of water.In some regions, small pits were dug to collect water.

Q9 ) Find out the source of water in your region/locality. Is water from this source available to all people living in that area?



NCERT Solutions for Class 10 Science Chapter 16 Management Of Natural Resources


Answer :

The sources of water in my locality are groundwater and the municipality supply and the water from these sources is available to all people living in that area but in the summer season shortage of water occurs.

*You can write of your own locality*



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