CBSE Class 10 Biology Management of Natural Resources Worksheet Set C

Read and download free pdf of CBSE Class 10 Biology Management of Natural Resources Worksheet Set C. Download printable Science Class 10 Worksheets in pdf format, CBSE Class 10 Science Chapter 16 Sustainable Management of Natural Resources Worksheet has been prepared as per the latest syllabus and exam pattern issued by CBSE, NCERT and KVS. Also download free pdf Science Class 10 Assignments and practice them daily to get better marks in tests and exams for Class 10. Free chapter wise worksheets with answers have been designed by Class 10 teachers as per latest examination pattern

Chapter 16 Sustainable Management of Natural Resources Science Worksheet for Class 10

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Class 10 Science Chapter 16 Sustainable Management of Natural Resources Worksheet Pdf

CBSE Class 10 Biology Management of Natural Resources Worksheet Set C

Management of Natural Resources

Key concepts and terms:

1. Natural Resource: It is stock of the nature such as air, water, soil, minerals, coal, petroleum, forest and wildlife that are useful to mankind in many ways.

2. Pollution: It is defined as the undesirable change in physical, chemical or biological characteristics of our soil, air or water, which harmfully affect human lives or the lives of other species.

3. pH of water: pH stands for „potential of hydrogen‟. The acidic and basic character of aqueous solutions can be described in terms of hydrogen ion and hydroxyl ion concentration. A pH below 7 indicates an acid solution and above 7 indicates an alkaline solution.

4. Three R’s to save the Environment: We can reduce pressure on the environment by applying the maxim of „Reduce, Recycle and Reuse‟ in our lives.

5. Sustainable Development: It is the development which can be maintained for a long time without undue damage to the environment.

6. Need to manage our Resources : Our natural resources are limited. With the rapid increase in human population, due to improvement in health care, the demand for all resources is also increasing.

7. Biodiversity: It is the existence of a wide variety of species of plants, animals and microorganisms in a natural habitat within a particular environment or of genetic variation within a species.

8. Wildlife: It means all those naturally occurring animals, plants and their species which are not cultivated, domesticated and tamed.

9. Water Harvesting: It means capturing rainwater where it falls or capturing the run off in a local area and taking measures to keep the water clean by not allowing polluting activities to take place.

10. Fossil fuels: These fuels are obtained from the remains of plants and animals, which got buried beneath the earth millions of years ago, changed into coal, petroleum and natural gas due to excessive heat and high pressure inside the earth.

11. Coal: It contains chiefly carbon and its compounds mainly nitrogen, oxygen, sulphur and hydrogen. It also contains inorganic matter.

12. Non-renewable Energy Sources: These are energy sources which cannot be replaced easily when they get exhausted and are also called conventional sources of energy. Ex: Fossil fuels.

13. Uses of Fossil Fuels

Coal: Thermal power plants and steam engines.

Petroleum: Petroleum products like petrol and diesel are used as means of transport.

14. Management of Fossil Fuels: the natural gas is a good alternative to fossil fuels like coal and petroleum. The use of alternative source of nonconventional energy such as solar energy, wind energy, biomass energy, etc. should be promoted to save the reserves of fossil fuels. Biogas can also be used for various purposes.
 

Question. An ecological imbalance in the biosphere is created by :
(A) Cutting of forests
(B) Conservation of forest
(C) Production of more plastics
(D) Both (A) and (C)
Answer : D

Question. What are various problems of Building a dam ?
(A) Displacement of farmers
(B) Displacement of tribes
(C) They cause deforestation
(D) All of these
Answer : D

Question. Deforestation generally decreases :
(A) Rainfall
(B) Soil erosion
(C) Drought
(D) Global warming
Answer : A

Question. Which of the following bacteria is used as an indicator of water pollution ?
(A) Coliform bacteria
(B) Streptococcus bacteria
(C) Staphylococcus bacteria
(D) Diplococcus bacteria
Answer : A

Question. River Ganga ends in
(A) Pacific ocean
(B) Atlantic ocean
(C) Arctic ocean
(D) bay of Bengal
Answer : D

Question. What include ‘R’ ‘R’ ‘R’ ?
(A) Reduce, Reuse, Recover
(B) Reduce, Rectify, Recover
(C) Reduce, Reuse, Recycle
(D) Rectify, Reuse, Recycle
Answer : C

Question. Floods can be prevented by :
(A) Cutting the forests
(B) Afforestation
(C) Tilling the land
(D) Removing the top soil
Answer : B

Question. Which of the following are the stakeholders of the forests ?
(A) Local people
(B) Industries
(C) The government
(D) All of the above
Answer : D

Question. Which one of the following is a renewable resource ?
(A) Coal
(B) Oil
(C) Forest
(D) Petrol
Answer : C

Question. Which of the following represents the regulative function of forest ?
(A) Storage and release of gases
(B) Production of wood
(C) Production of essential oil
(D) Conservation of soil and water
Answer : A

Question. Soil erosion can be prevented by :
(A) Overgrazing
(B) Removal of vegetation
(C) Afforestation
(D) Deforestation
Answer : C

Question. The use of disposable paper-cups is more beneficial over disposable plastic-cups, because
(A) it is cheaper
(B) it is easily available
(C) it can be reused
(D) its recycling process has no harmful impact on environment
Answer : D

Question. What are various advantage of ground water ?
(i) It does not evaporate
(ii) It spread out to recharge wells
(iii) It does not provide breeding grounds for mosquito
(A) i,ii,iii
(B) only ii
(C) only iii
(D) ii, iii
Answer : A

Question. Which is not a traditional water harvesting technique ?
(A) Khadins
(B) Ahars
(C) Drip irrigation
(D) Kuhis
Answer : C

Question. Which is not an fossils fuel ?
(A) Coal
(B) Biogas
(C) Petroleum
(D) LPG
Answer : B

Question. Rock oil is
(A) Petroleum
(B) Coal
(C) Diesel
(D) LPG
Answer : A

Question. Petroleum resource is
(A) Renewable
(B) Non renewable
(C) Synthetic and biodegradable
(D) Infinite and unconventional
Answer : B

Question. Bishnoi community people lost their lives while protecting :
(A) Khejri trees
(B) Sal trees
(C) Pinus trees
(D) Teak trees
Answer : A

Question. What is not a process for sustainable development ?
(A) RRR
(B) Use of wind energy
(C) use of solar energy
(D) None of these
Answer : D

Question. Select the group which contains only non biodegradable items ?
(A) Wood, paper, leather
(B) Polythene, glass, PVC
(C) Plastic, glass, grass
(D) Plastic, nylon, cardboard
Answer : B

Question. Ozone hole or hole in the ozone layer in the atmosphere refers to :
(A) Development of a hole in the Ozone layer
(B) Decrease in the Ozone layer in troposphere
(C) Decrease in the Ozone layer in stratosphere
(D) All of above
Answer : C

Question. Which of the following is the example of the waste bio-decomposition of living beings ?
(A) Vegetable
(B) Glass
(C) Plastic
(D) Metal
Answer : A

Question. The three R’s, which can, help us to conserve natural resources for future generation are
(A) Reduce, Regenerate, Redistribute.
(B) Reduce, Recycle, Regenerate.
(C) Reduce, Reuse, Recycle.
(D) Redistribute, Regenerate, Recycle.
Answer : C

Question. Which of the follwing is not a biodegradable material ?
(A) Aluminium foil
(B) Animal bone
(C) Wood
(D) Cotton
Answer : A

Question. Which of the following gases mainly increases global warming ?
(A) Carbon monoxide
(B) Nitrous oxide
(C) Carbon dioxide
(D) Sulphur dioxide
Answer : C

Question. According to origin, identify the secondary air pollutant
(A) SO3
(B) Ash
(C) Smoke
(D) Radioactive compound
Answer : A

Question. Depletion of ozone layer is mainly due to -
(A) Methane
(B) Carbon monooxide
(C) Chlorofloro Carbon
(D) Nitrogen
Answer : C

Question. From which district of Rajasthan did Chipko movement begin ? (Raj/NTSE Stage-1/19)
(A) Jodhpur
(B) Jaipur
(C) Ajmer
(D) Jaisalmer
Answer : A

 

Very Short Answer Type Questions

Question. Name any two items which can be easily recycled but thrown in dustbins.
Answer : 
Bits of paper, (ii) Plastic water bottle

Question. Where are colliform bacteria found in human beings?
Answer : 
Intestine.

Question. How can level of water pollution be measured? List any two ways.
Answer : 
Two ways to check levels of water pollution is Coliform bacteria and pH

Question. Mention the action taken by govt. to same river Ganga.
Answer : 
Ganga Action Plan (Namami Ganga Project)

Question. What are coliform bacteria?
Answer : 
Coliform bacteria are E.coli bacteria which live on organic matter and also found in human intestine. Presence of these bacteria indicates contamination of water by disease causing bacteria

Question. Write two methods of waste disposal.
Answer : 
(i) Recycling of waste (ii) Reuse of waste

Question. Name two resources which cannot be recycled.
Answer : 
Two resources which cannot be recycled are metals and fossil fuels

Question. Name any two wastes which can be recycled and reused.
Answer : 
Old newspapers, waste paper, plastic, metal, glass can be recycled and reused

Question. How does inequitable distribution of water affect life of people?
Answer : 
Only rich and powerful will become more and more powerful while others will suffer.

Short Answer Type Questions

Question. List two main causes of pollution of water of the river Ganga. State how pollution and contamination of river water prove harmful to the health of people of neighbouring areas.
Answer : Causes of water pollution are:

(i) Disposal of industrial wastes
(ii) Dispersion of untreated sewage
(iii) Bathing, washing
(iv) Immersion of ashes. (Any two)
Harmful effects are:
(i) Water born disease
(ii) Consumption of contaminated fishes.
(i) R

Question. Why is reuse better than recycle?
                               OR
“Reuse is better than recycling of materials”. Give reason to justify this statement.
Answer : 
Reuse saves energy needed for recycling, therefore it is better than recycling

Question. Name two fossil fuels. List one product of each forward when these are burnt in (a) sufficient oxygen
(b) Insufficient oxygen.
Answer : 
Coal and Petroleum.
(i) Carbon dioxide, water, sulphur dioxide, nitrogen dioxide
(ii) Carbon monoxide, nitrogen monoxide

Question. What is sustainable development? How can it be achieved?
Answer : 
Sustainable development is the form of growth that meets current basic human needs while preserving the resources for needs of the future generations. To maintain balance between environment and human development, it is necessary to strive for sustainable development to meet the needs of present generation and conserving it for the future generation. To achieve this we have to consider the different aspects of development. Conservation, sustainability and biological diversity are interrelated. In order to survive man has to live in harmony with nature.

Question. Identify two local industries which pollute the local water bodies by throwing untreated sewage.
Answer : 
(i) Paper (ii) Sugar
(iii) Paint (iv) Chemical and fertilizer.

Question. What would be the advantages of exploiting resources with short term aims?
Answer : 
Short term aim means use it today and don’t bother about future.
Advantages:
(i) It fulfills the immediate requirement of people.
(ii) It provides industrial growth.
(iii) It is needed for economic development.
(iv) It leads to comforts in life.

Question. What do the three R’s refer to save environment? Which one of these would be the best for environment?
Answer : 
Reuse, recycle, and reduce. Reducing wastage is the best out of these.

Question. Name two categories of natural resources.
Answer : 
Two categories of natural resources are renewable and nonrenewable.
(i) Renewable resources can be regenerated. For example, products from forests, grasslands, soil, groundwater, biological species.
(ii) Non-renewable sources cannot be regained or reconstructed once they are used up. For example, fossil fuels, metals, minerals, etc.

Question. How do advantages of exploiting natural resources with short term gains in mind differ from the advantages of managing our resources with a long-term perspective?
Answer : 
Exploiting natural resources with short term gains in mind will lead to unwanted and excessive use of resources, that will lead to the depletion of these resources.
On the other hand managing our resources with a long term perspective involves judicious use of the resources that can conserve resources for the future.

Question. Explain the interrelationship of population, environment and development.
Answer : 
Population explosion is one of the main causes of environmental imbalance. India’s population has crossed one billion. In order to meet the basic demands the human beings are forced to encroach upon forests, mountains, seas, rivers for space and food. They need more cultivable and habitable land. They kill more animals for food, money and pleasure, cut trees for fuel, timber and paper industry. They use more fertilizers and pesticides to increase crop production. All these activities of man cause ecological imbalance and pollution. Population explosion causes physical discomfort which in turn causes mental tension hence health and social disorders

Question. Write the harmful effects of polythene bags on the environment. Suggest alternating to plastic bags.
Answer : 
(i) Plastics are non-biodegradable, therefore, disposal becomes difficult, however can be recycled.
Burning of polythene creates lot of pollution.
(ii) Plastic bags when mixed with soil reduce its fertility and animals eating polythene will die because these are poisonous.

Question. Why do you think there should be equitable distribution of resources? What forces would be working against an equitable distribution of our resources?
Answer : 
I think there should be equitable distribution of resources as resources are limited and demand is more.
It will ensure distribution to all and not to only rich and powerful.
Forces would be working against an equitable distribution of our resources may be political and social forces.

 

                                        Max: 20 marksFA – III
                               Max: 20 marks(Paper pen test)
                               Max: 20 marks(Model Paper)

Time: 1 hr.                                                                      ​​​​​​​Max: 20 marks

Q.1) i) Which one of the following started chipko movement? (1)

       a) A.K. Banerjee             b) Amrita Devi Bishnoi

       c) Sunder Lal Bahuguna   d) Medha Patkar

ii) From the list given pick the item that is not a natural resource? (1)

      a) Soil       b) water       c) air         d) electricity

iii) The pH range most Conductive for life of freshwater plants and animals is

a) 6.5 – 7.5 b) 2.0 – 3.5 c) 3.5 – 5.0 d) 9.0 – 10.5 (1)

Q.2) what are renewable resources? How are they different from non newable   (2)

Q.3) what would be the advantage of exploiting resources with long term aim? (2)

Q.4) why should there be equitable distribution of resources? (2)

Q.5) why are coal and petroleum known as fossil fuels? Why do we need to Conserve them? (3)

Q.6) Name the three „R‟ to save the environment? Explain how each of them is Beneficial for mankind? (3)

Q.7) who are the stakeholders in forest? Why do you think so? (5)

FA – IV

Q.1) Home Assignment :

1) What is water harvesting? Mention any two water harvesting structures?

2) What are the reasons of destruction of forests?

3) Name two categories of natural resources?

4) What are Coliform bacteria?

5) Why is the underground water getting depleted?

6) What is the best method to conserve the environment?

7) What is the best way to get rid of non-biodegradable waste?

8) What does wildlife include?

9) What is the objective of Ganga action plane?

10) What is the best method to conserve the environment?

Q.2) Quiz:

1) Chipako Andolan originated in

   a) Kerala            b) Rajasthan

  c) Uttarakhand    d) Karnataka

2) Kulhs are irrigation Canals of

  a) Rajasthan      b) Karantaka

  c) Himachal Pradesh      d) Assam

3) Which of the following is a green house gas?

   a) Sulphurdioxide       b) Carbon monoxide

   c) Carbondioxide        d) Nitrogen dioxide

4) Which of the following bacteria is found in Garga water?

   a) Coliform bacteria     b) Streptococcus bacteria

  c) Staphylococcus bacteria   d) Diplococcus bacteria

5) Stake holders of forest resources in India are

  a) Local people and Industrials   b) NGO

 c) Forest enthusiasts     d) All of these

6) Arabari forest of Bengal is dominated by

   a) Teak            b) Sal

  c) Bamboo       d) Mangrove

7) Which of the following are to be managed for sustainable developments?

   a) Industries      b) Forests

   c) crops            d) Resources

8) Red Data book provides a list of

   a) Protect animals    b) Rear animals for milk

   c) Entrap animal      d) both a & b

9) Sardar Sarovar Dam is situated on river

    a) Ganga            b) Narmada

     c) Yamuna        d) Godavari

10) Pynes System of irrigation is common in:

     a) Bihar           b) Madhya Pradesh

      c) Rajasthan   d) Himachal Pradesh

Q.3) Debate:

Topic:“Money spent on protection of wild life should actually be spent for

the welfare of poor people”

Q.4) Seminar:

Reading papers by the students on the following topics:

i) “River water pollution – Source and solution”

ii) “Sustainable development”

Q.5) Symposium:

i) “Global warming and melting Himalaya – a controversy”

ii) “Save the tiger”

Chapter 06 Life Processes
CBSE Class 10 Biology Excretion Set A
CBSE Class 10 Biology Excretion Set B
CBSE Class 10 Biology Excretion Set C
CBSE Class 10 Biology Heterotrophic Nutrition Worksheet Set A
CBSE Class 10 Biology Heterotrophic Nutrition Worksheet Set B
CBSE Class 10 Biology Life Processes Nutrition In Animals Worksheet
CBSE Class 10 Biology Life Processes Nutrition In Plants Worksheet
CBSE Class 10 Biology Life Processes Nutrition Worksheet Set A
CBSE Class 10 Biology Life Processes Nutrition Worksheet Set B
CBSE Class 10 Biology Life Processes Nutrition Worksheet Set C
CBSE Class 10 Biology Life Processes Nutrition Worksheet Set D
CBSE Class 10 Biology Life Processes Reference Materials Worksheet
CBSE Class 10 Biology Life Processes Respiration In Animals Worksheet
CBSE Class 10 Biology Life Processes Respiration Worksheet Set A
CBSE Class 10 Biology Life Processes Respiration Worksheet Set B
CBSE Class 10 Biology Life Processes Respiration Worksheet Set C
CBSE Class 10 Biology Life Processes Respiration Worksheet Set D
CBSE Class 10 Biology Life Processes Transporation Worksheet Set A
CBSE Class 10 Biology Life Processes Transporation Worksheet Set B
CBSE Class 10 Biology Life Processes Transporation Worksheet Set C
CBSE Class 10 Biology Life Processes Transporation Worksheet Set D
CBSE Class 10 Biology Life Processes Worksheet
CBSE Class 10 Biology Life Processes Worksheet Set A
CBSE Class 10 Biology Life Processes Worksheet Set B
CBSE Class 10 Biology Life Processes Worksheet Set C
CBSE Class 10 Biology Life Processes Worksheet Set D
CBSE Class 10 Biology Life Processes Worksheet Set E
Chapter 09 Heredity and Evolution
CBSE Class 10 Biology Heredity And Evolution Set D

Chapter 16 Sustainable Management of Natural Resources CBSE Class 10 Science Worksheet

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