Renewable resources are natural resources that can be replenished or renewed within a reasonable period of time after consumption. Unlike non-renewable resources that take millions of years to form, renewable resources can be regenerated through natural processes or human intervention. Examples of renewable resources include air, which is continuously produced through natural atmospheric processes, water, which cycles through evaporation and precipitation, and sunlight, which is continuously provided by the sun. Other examples include forests, which can regrow, crops that can be replanted annually, and wind energy. Renewable resources are important for sustainable development because they can be used repeatedly without depleting them permanently, provided they are managed responsibly and not consumed faster than they can be replenished.
Individual resources are natural resources that are privately owned and controlled by individuals rather than by the government or community. These resources belong to specific persons who have the legal right to use, manage, and benefit from them. Examples of individual resources include apartments and houses that are privately owned by individuals, agricultural land owned by farmers, private forests, and personal water sources like wells or ponds on private property. Individuals have the authority to decide how to use their resources, whether to sell them, lease them, or develop them. However, even individual resources must be used responsibly and in accordance with environmental laws and regulations to ensure they do not cause harm to others or to the environment.
Tertiary activities are economic activities that are concerned with the distribution and delivery of primary and secondary products to consumers through systems of transport, trade, and commerce. These activities form the service sector of the economy and include banking, trade, communications, healthcare, education, retail, and hospitality. Tertiary activities are essential because they connect producers of raw materials and manufactured goods with the people who need them. Without tertiary activities, the products created by primary and secondary sectors would not reach consumers efficiently. Banking provides financial services that support all economic activities, trade facilitates the exchange of goods between regions and countries, and communications enable the coordination of economic activities across distances. As economies develop and become more complex, tertiary activities become increasingly important and often employ a large portion of the workforce.
Actual resources are those natural resources that are currently being used and exploited by human beings, and the quantity available is known through surveys and measurements. These are resources that have been discovered, assessed, and are actively utilized in economic activities. For example, coal mining at the Neyveli Lignite Corporation in Tamil Nadu represents an actual resource because the coal deposits have been identified, their quantity has been measured, and they are being actively extracted and used for power generation. Other examples of actual resources include the iron ore mines in Odisha, the oil fields in Assam, and the forests that are being harvested for timber. Actual resources differ from potential resources, which are resources that exist in a region but have not yet been fully explored or utilized.
Abiotic resources are non-living components of the environment that are useful to human beings. These resources do not have life and include land, water, air, minerals, and fossil fuels. Land provides the surface for agriculture, construction, and various human activities. Water is essential for drinking, irrigation, industrial processes, and hydroelectric power generation. Air is necessary for respiration and contains oxygen that all living organisms need to survive. Minerals such as iron, copper, coal, and gold are extracted from the earth and used in industries and manufacturing. Abiotic resources form the foundation of all economic activities and are fundamental to human survival and development.
Sustainable development is a form of development that meets the needs of the present generation without compromising the ability of future generations to meet their own needs. It involves balancing the use of resources today with the conservation of resources for tomorrow. When we extract and use resources, we must do so in a way that does not deplete them completely or damage the environment irreversibly. Sustainable development requires that we use renewable resources at a rate that allows them to regenerate, manage non-renewable resources carefully to extend their availability, and protect ecosystems and biodiversity. It also means reducing pollution and waste, promoting recycling and reuse, and considering the long-term environmental and social impacts of our economic activities. Sustainable development is essential because resources are finite, and if we continue to exploit them at current rates without conservation, future generations will face severe shortages and environmental degradation.
Universal resources are those that are found everywhere on Earth and are available to all people regardless of location. Examples of universal resources include sunlight, which provides energy to all regions of the world, and air, which is present in the atmosphere everywhere and is essential for all living organisms to breathe. Localized resources, in contrast, are found only in specific regions or areas and are not uniformly distributed across the world. Examples of localized resources include minerals such as iron ore, copper, and gold, which are found in particular geological formations in specific countries or regions, and tropical forests, which exist only in certain climate zones near the equator. The distribution of localized resources creates economic interdependence between regions and nations, as areas rich in certain resources trade with areas that lack them.
Although human beings are derived from nature and can be considered natural resources in a broad sense, they are classified separately from other natural resources because of the unique qualities they possess. Education, health, knowledge, and skills have transformed human beings into valuable and productive resources that can create, innovate, and manage other resources. A person with education and training, such as a doctor, scientist, or teacher, can contribute significantly more to society and the economy than an uneducated person. Human resources have the capacity to think, plan, and make decisions, which distinguishes them from other natural resources like minerals or forests. The development of human resources through education and training is crucial for economic growth and social progress, making them a special category of resources that requires investment and careful development.
National resources are all the resources that exist within the political boundaries of a country, including its land, water, minerals, forests, and wildlife, as well as the resources in the oceanic areas that extend up to a certain distance from the coast under international law. These resources belong to the nation and can be used and managed according to the country's laws and policies. For example, the tropical forest regions of India, including the Western Ghats and the Amazon-like forests of the Northeast, are national resources of India. International resources, on the other hand, are resources found in the open ocean beyond the territorial limits of any country. These oceanic resources include fish, minerals on the ocean floor, and other marine resources. Resources found in international waters can only be utilized after international agreements are made between countries, ensuring that no single nation monopolizes them. For example, ambergris, a valuable substance produced by sperm whales found in international waters, can only be harvested according to international agreements that protect endangered species.
Man-made resources are created when natural resources are modified, processed, or transformed through human technology and effort. Natural resources in their raw form are converted into useful products that serve human needs. For example, sugarcane, which is a natural resource, is processed through industrial methods to produce sugar, a man-made resource. Similarly, wood from forests is processed into furniture, and minerals are refined into metals. All structures and infrastructure built by human beings also constitute man-made resources, including bridges, houses, roads, dams, and factories. These man-made resources increase the utility and value of natural resources and make them more suitable for human use. Human resources, by contrast, refer to the people themselves and their abilities to work, create, and innovate. Although human beings are fundamentally natural resources, they are classified separately because education, health, knowledge, and skills have made them exceptionally valuable. Human resources possess the unique capacity to think, plan, and make decisions, and they use their abilities to create and manage other resources. Examples of human resources include doctors who provide healthcare, teachers who educate society, and scientists who conduct research and develop new technologies. The distinction between man-made resources and human resources is important because human resources are the driving force behind the creation and management of all other resources.
Mahatma Gandhi's philosophy on resource conservation emphasized that human beings are primarily responsible for the depletion and overexploitation of natural resources. Gandhi believed that the unlimited desires and needs of human beings drive excessive consumption and wasteful use of resources, leading to their rapid depletion. He advocated for a simple lifestyle and conscious restraint in resource consumption, arguing that people should use only what they need rather than accumulating excess possessions. Gandhi's thought on conservation was rooted in the principle of trusteeship, which suggests that humans are custodians of nature rather than its owners, and therefore have a moral responsibility to use resources wisely and preserve them for future generations. He criticized the industrial model of unlimited growth and consumption, promoting instead a philosophy of self-sufficiency and minimal waste. Gandhi's ideas remain relevant today as societies grapple with environmental degradation and resource scarcity, reminding us that conservation requires a fundamental change in human attitudes toward consumption and our relationship with nature.
Natural resources are classified according to theirs.
Origin
Development
Renewability
Distribution
Ownership
Question I.
On the basis of origin – Biotic Resources and Abiotic Resources
All living resources are Biotic resources. Example: Plants, Animals, Microorganisms.
Non-living resources are abiotic resources. Example: Land, Water, Air, Minerals
Question II.
On the basis of development – Actual Resources and Potential Resources
The resources that are being used at present are Actual resources. The quantity is known. Example: Coal at Neyveli.
The resources that are not utilized at present are potential resources. The quantity and location are not known.
Example: Marine yeast (in the Bay of Bengal and the Arabian Sea)
Question III.
On the basis of Renewability – Renewable Resources and Non – renewable Resouces?
After consumption, resources can be renewed with the period of time is called renewable resources. Example: Air, Water, Sun Light
Natural resources that have limited stock are non – renewable resources. Example: Coal, Petroleum, Natural gas, Minerals
Resource conservation is the careful and responsible use of natural resources to prevent wastage and ensure their availability for future generations. Due to rapid population growth, resources are being consumed at an unsustainable rate, making conservation increasingly critical. Sustainable development provides a framework for conservation by balancing present needs with future availability. Several strategies can be implemented to conserve resources effectively. Wastage and excess consumption must be prevented through conscious choices and efficient practices in both industrial and domestic settings. Reusable resources should be recycled to reduce the demand for new raw materials and minimize environmental impact. Pollution must be prevented because it degrades resources and makes them unsuitable for use. The natural environment must be protected through policies that limit harmful activities and promote ecological balance. Natural vegetation and wildlife must be preserved because they provide essential ecosystem services and maintain biodiversity. A practical and widely recommended approach to resource conservation is following the three Rs: Reduce, Reuse, and Recycle. Reduce means consuming less and avoiding unnecessary purchases. Reuse means using items multiple times before discarding them. Recycle means processing used materials into new products. By implementing these strategies at individual, community, and national levels, we can significantly reduce resource depletion and environmental damage.
Resource planning is the technique and skill of identifying, assessing, and utilizing resources in the most efficient and sustainable manner to meet present and future needs. It involves surveying available resources, understanding their distribution and quantity, and developing strategies for their optimal use. Resource planning is necessary for several important reasons. First, resources are limited in quantity, and with growing population and increasing demands, careful planning ensures that available resources are used efficiently without wastage. Second, resources must be conserved and protected for future generations, and planning helps establish sustainable practices that balance current use with long-term availability. Third, resources are unevenly distributed across different regions and countries, creating disparities in resource availability, and planning helps address these inequalities through equitable distribution and trade. Fourth, resource planning is essential to prevent overexploitation, which can lead to resource depletion and environmental degradation. Effective resource planning requires assessing the quantity and quality of resources, understanding regional variations, identifying areas of surplus and deficit, and developing policies for sustainable extraction and use. At the national level, resource planning helps governments make informed decisions about development projects, industrial growth, and environmental protection. Without proper resource planning, societies risk depleting critical resources, creating environmental crises, and facing economic challenges in the future.
- A. Only conclusion 1 follows
- B. Only conclusion 2 follows
- C. Neither 1 nor 2 follows
- D. Both 1 and 2 follow
(d) Both 1 and 2 follow
- A. Only conclusion 1 follows.
- B. Only conclusion 2 follows,
- C. Neither 1 nor 2 follows.
- D. Both 1 and 2 follow.
(b) Only conclusion 2 follows
- A. Only conclusion 1 follows
- B. Only conclusion 2 follows
- C. Neither 1 nor 2 follows
- D. Both 1 and 2 follow
The correct answer is (a) Only conclusion 1 follows. When human beings switched from food gathering to agriculture, it indicates that food gatherers experienced scarcity of food and could no longer rely solely on gathering wild plants and hunting animals to meet their nutritional needs. The transition to agriculture was driven by the need to produce more reliable and consistent food supplies to support growing populations. Therefore, Inference 1 is logically sound and supported by historical evidence. Inference 2, which states that food gathered was not nutritious, does not necessarily follow from the statement. Food that was gathered from nature, such as fruits, nuts, vegetables, and hunted meat, was actually quite nutritious and provided balanced diets for early human societies. The shift to agriculture was not primarily about improving nutrition but rather about increasing food production to meet the demands of larger populations. In fact, the transition to agriculture sometimes led to less diverse diets and nutritional challenges in some cases. Therefore, only the first inference can be logically concluded from the given statement.
Across left to right :
SUSTAINABLE
SOLAR
NATIONAL
Down:
UNIVERSAL
AMBERGRIS
NATURAL
LOCALIZED
Across right to left:
REUSE
K. Identify the different economic activities and fill the table given belowL . Teacher’s Activities
Observe “Save Energy Day” Once a month at school/class level
Try making wall hangings with waste materials to decorate your school corridors.
Find out if there are any industries near your school. A field trip may be arranged.
Collect pictures based on
Fishing
Hunting
Food – gathering
Forestry
Mining
Agriculture
Cattle – rearing
Lumbering
A. Fill in the blanks Answer
……………… are two important factors that determine Time and Technology whether a substance is a resource or not.
All resources that have been directly provided by Natural resources nature are called ………………
Man mined precious metals simultaneously for making ………………
The non – renewable resources become ……………… after use and the time they take to replace does not match the life cycle.
Ambergris is used in ……………… industries.
Marine yeast has greater potential than ……………… yeast.
Time and Technology
Natural resources
ornaments
exhausted
perfume
terrestrial
B. Write short notes on the following
Non-renewable resources are natural resources that have a limited stock and cannot be replenished or regenerated within a human lifetime. Once these resources are exhausted, they cannot be replaced. Coal and petroleum are prime examples of non-renewable resources. Coal takes millions of years to form from dead plant and animal matter, and petroleum is formed from the remains of ancient marine organisms buried deep underground. Other examples include natural gas and metallic ores. The extraction and use of non-renewable resources must be managed carefully to ensure they are not completely depleted for future generations.
Community-owned resources are natural resources that belong to the entire community and can be utilized by all members of the community for their benefit. These resources are not privately owned by any individual but are managed collectively for the common good. Public parks are excellent examples of community-owned resources where all members of the community can visit and enjoy recreational activities. Other examples include community forests, public libraries, community wells, grazing lands, and public playgrounds. These resources play an important role in ensuring that all members of society have access to essential amenities and natural spaces for their well-being and development.
Tropical rainforests are called the world's largest pharmacy because they contain a vast variety of medicinal plants that are used to produce medicines and drugs. Approximately 25 percent of the natural vegetation found in tropical rainforests consists of medicinal plants. These plants have been used for centuries in traditional medicine systems and continue to be sources of modern pharmaceutical compounds. Cinchona is a notable example of a medicinal plant found in rainforests, which is used to produce quinine, a medicine used to treat malaria. Other medicinal plants from rainforests include those used to treat cancer, heart diseases, and various other ailments. The biodiversity of rainforests makes them invaluable for medical research and drug development, which is why they are referred to as the world's largest pharmacy.
Natural resources can be classified based on several different criteria. According to their origin, resources can be classified as biotic resources, which come from living organisms, or abiotic resources, which are non-living. Based on their stage of development, resources can be classified as potential resources, actual resources, or reserve resources. According to their renewability, resources are classified as renewable resources, which can be replenished naturally, or non-renewable resources, which have limited stocks. Based on their distribution, resources can be classified as ubiquitous resources, which are found everywhere, or localized resources, which are found only in specific regions. According to their ownership, resources are classified as individual resources owned by private persons, community-owned resources shared by communities, national resources owned by the state, and international resources found in international waters or territories.