We have Provided the NCERT/CBSE Solutions chapter-wise for Class 10 Science Chapter 16 Management of Natural Resources with Answers by expert subject teacher for latest syllabus and examination. Students can take a free NCERT Solutions of Management of Natural Resources. Each question has right answer Solved by Expert Teacher.
CBSE Solutions Class 10 Science Management of Natural Resources
Page No.271
QUESTIONS
Q1. What changes can you make in your habits to become more environmentfriendly?
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 local transport like buses or train.
Q2. What would be the advantages of exploiting resources with short-term aims?
Answer: Because the sources 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 require a long term perspective so that this will last for the generations to come and will not merely be exploited to the hilt for short term gains.
Q3. How would these advantages differ from the advantages of using a longterm perspective in managing our resources?
Answer:
| Short Term Aims | Long Term Aims |
| All the commodities become available in plenty. There is a tendency to manufacture articles of larger size. The mentality is of use and throw. The resources are likely to get exhausted soon. The ecology is disturbed and harmed. | Availability of various commodities is restricted. There is a tendency to manufacture articles of smaller size. The mentality is reuse, recycle and replace. The resources are likely to remain available for a long time. It is eco-friendly. |
Q4. Why do you think that there should be equitable distribution of resources?
What forces would be working against an equitable distribution of our resources?
Answer: There should be equitable distribution of resources so that all, rich, powerful and poor people get benefit from the development of these resources. Rich, greedy and powerful people could work against an equitable distribution of our resources.
Page No. 275
QUESTIONS
Q1. Why should we conserve forests and wildlife?
Answer: The conservation of forests is very important for the stability of the environment. Forests serve as a home to a huge variety of life-forms. Destruction of these forests can disturb the food chain and lead to the extinction of many important species. Also, forests protect the soil from erosion and play a vital role in the water cycle. The loss of forests can severely affect the day-to-day lives of humans.
Q2. Suggest some approaches towards the conservation of forests.
Answer: a) People should show their participation in saving the forest by protesting against the cutting of trees. For example, Chipko Andolan
(b) Planting of trees should be increased. Rate of afforestation must be more than that of deforestation.
(c) Some people cut precious trees such as Chandan to earn money. Government should take legal steps to catch these wood smugglers.
(d) Habitants of forests must not be bothered by the forest officials. Otherwise, this would result in the clash between tribal people and the government officials, thereby enhancing the naxal activities in forests.
Page No. 278
QUESTIONS
Q1. Find out about the traditional systems of water harvesting/ management in your region.
Answer: The use of tanks is one of the traditional systems of water harvesting used in our region.
Q2. Compare the above system with the probable systems in hilly/ mountainous areas or plains or plateau regions.
Answer: In plains, the water harvesting structures are crescent-shaped earthen embankments. These are low, straight, and concrete.
In hilly regions, the system of canal irrigation called Kulhsis used for water harvesting. This involves a collection of rain water in a stream, which is then diverted into man-made channels down the hill sides.
Q3. Find out the source of water in your region/locality. Is water from this source available to all people living in that area?
Answer: Rivers tube Wells, ponds wells, hand pumps, etc are the main source of water. Yes, water from this source is available to all people living in that area.
Page No. 280
EXERCISES
Q1. What changes would you suggest in your home in order to be environment-friendly?
Answer:
- Judicious use of electricity by switching off lights and electrical appliances not required,
- Replacement of incandescent bulbs with fluorescent, compact 3. fluorescent ones and LED bulbs.
- Replacement of electricity or gas operated geysers with solar water heaters,
- Replacement of electricity generating sets with solar light,
Having more natural light and ventilation with design supporting warming during winters and cooling during summer,
Q2. Can you suggest some changes in your school which would make it environmentfriendly?
Answer: Following changes can be made in schools to make it environment friendly.
(i) Plant enough trees in the school.
(ii) Leaking taps should be repaired so that water is not wasted.
(iii) Bring food in reusable boxes, not in plastic bags or in aluminium foil.
(iv) Teachers can educate students about environmental conservation.
(v) There should be more windows in school for natural light.
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 people who live in or around forests should have the authority to decide the management of forest produce. They have been living in the forests for centuries and know about the practices to use the resources in a sustainable manner.
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: (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?
Answer:
- We should close the water taps immediately after using it
- Pulses, rice etc should be soaked in water for at least 15-20 minutes before cooking.
- Consume less motto
- Keep yourself informed
- Support a conservation group.
- Save trees.
- Go on foot steps to cover approachable distances
- Plantation
- Avoid deforestation
Q6. List five things you have done over the last one 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 travelling 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 a sustainable use of our resources?
Answer: One should incorporate the following changes in their lifestyle in a move towards sustainable use of our resources:
(a) Stop cutting trees and practice planting trees.
(b) For carrying goods the use of plastic and polythene bags should be stopped.
(c) Use recycled paper.
(d) The biodegradable and non-biodegradable waste should be thrown into separate bins.
(e) The minimum amount of water should be wasted while using and leaking taps should be repaired on time.
We Think the given NCERT Solutions for class 10 Science Chapter 16 Management of Natural Resources with Answers Pdf free download will assist you. If you’ve got any queries regarding CBSE Class 10 Science Management of Natural Resources NCERT Solutions with Answers, drop a comment below and that we will come back to you soons.