The process of transformation of things
The process of transformation of things — Study Notes
NCERT-aligned · 6 notes · 3 shown free
Resources and Development
ConceptResources and Development
Resources are everything available in our environment that can be used to satisfy human needs, provided they are technologically accessible, economically feasible, and culturally acceptable. These include natural materials and human-made items that make life comfortable in villages and towns. The transformation of natural materials into resources involves an interactive relationship between nature, technology, and institutions. Human beings use technology to interact with nature and create institutions to accelerate economic development. Resources are not free gifts of nature; they are a function of human activities. Humans are essential components of resources because they transform materials available in the environment into usable resources. Resources can be classified based on origin into biotic (derived from living organisms) and abiotic (non-living things like rocks and minerals). They can also be classified based on exhaustibility into renewable (can be replenished naturally) and non-renewable (limited and cannot be replenished). Ownership classification includes individual, community, national, and international resources. Based on their status of development, resources are categorized as potential (available but not yet used), developed stock (resources developed for use), and reserves (resources identified for future use).
- Resources satisfy human needs and depend on technology, economy, and culture.
- Transformation of resources involves nature, technology, and institutions.
- Resources are classified by origin: biotic and abiotic.
- Resources are classified by exhaustibility: renewable and non-renewable.
- Resources are classified by ownership: individual, community, national, international.
- Resources are classified by development status: potential, developed stock, reserves.
- 📌 Resource: Anything from the environment used to satisfy human needs.
- 📌 Biotic resources: Resources obtained from living organisms.
- 📌 Abiotic resources: Non-living resources like minerals and water.
Development of Resources
ExplanationDevelopment of Resources
Resources are vital for human survival and maintaining quality of life. Historically, resources were considered free gifts of nature, leading to indiscriminate use. This has caused major problems such as depletion of resources due to greed, unequal distribution creating social divides between the rich and poor, and ecological crises including global warming, ozone depletion, pollution, and land degradation. Sustainable development is essential to ensure that current resource use does not compromise future generations' needs. The 1992 Rio de Janeiro Earth Summit was a landmark event where over 100 heads of states agreed on global environmental protection and socio-economic development. They signed the Declaration on Global Climatic Change and Biological Diversity and adopted Agenda 21, which emphasizes global cooperation to combat environmental damage, poverty, and disease. Resource planning is critical, especially in a diverse country like India, where resource availability varies widely across regions. For example, Jharkhand, Chhattisgarh, and Madhya Pradesh are rich in minerals, Arunachal Pradesh has abundant water but poor infrastructure, Rajasthan has solar and wind energy but lacks water, and Ladakh is culturally rich but resource-deficient. Balanced resource planning at national, state, and local levels is necessary for equitable development. 2. Conduct a survey in your locality on attitudes towards recycling domestic and agricultural waste, including opinions on resource use and waste utilization, then compile the results.
- Indiscriminate resource use leads to depletion and social inequality.
- Ecological crises like global warming and pollution are linked to resource exploitation.
- Sustainable development ensures resource use does not harm future generations.
- Rio Earth Summit 1992 focused on environmental protection and sustainable development.
- Agenda 21 promotes global cooperation and local planning for sustainability.
- India’s resource distribution is uneven, requiring balanced resource planning.
- 📌 Sustainable development: Development that meets present needs without compromising future generations.
- 📌 Agenda 21: A global plan adopted at the 1992 Earth Summit for sustainable development.
- 📌 Resource planning: Strategy for judicious use and management of resources.
Resource Planning in India
ExplanationResource Planning in India
Resource planning is a systematic process involving identification, inventory, and assessment of resources across regions. It includes surveying, mapping, and quantitative and qualitative estimation of resources. Effective resource planning requires
Practice Questions — The process of transformation of things
Includes NCERT exercise questions with answers
Q1.1. Multiple choice questions. (i) Which one of the following is the main cause of land degradation in Punjab? (a) Intensive cultivation (b) Deforestation (c) Over irrigation (d) Overgrazing (ii) In which one of the following states is terrace cultivation practised? (a) Punjab (b) Plains of Uttar Pradesh (c) Haryana (d) Uttarakhand (iii) In which of the following states black soil is predominantly found? (a) Uttar Pradesh (b) Maharashtra (c) Rajasthan (d) Jharkhand
Answer:
(i) (c) Over irrigation is the main cause of land degradation in Punjab. Over irrigation leads to waterlogging and salinization, which degrade the land. (ii) (d) Terrace cultivation is practised in Uttarakhand. The hilly terrain requires terraces to prevent soil erosion and retain water. (iii) (b) Black soil is predominantly found in Maharashtra. Black soil, also called regur soil, is ideal for cotton cultivation and is found mainly in Maharashtra, Madhya Pradesh, Gujarat, and parts of Tamil Nadu.
Explanation:
Step-by-step explanation: (i) Punjab has intensive agriculture with heavy irrigation. Excessive irrigation without proper drainage causes waterlogging and salinity, leading to land degradation. (ii) Terrace farming is adapted to hilly regions to reduce soil erosion and manage water flow. Uttarakhand, being a hilly state, practices terrace cultivation. (iii) Black soil is rich in clay and retains moisture. It is mainly found in Maharashtra and is suitable for cotton cultivation.
Q2.2. Answer the following questions in about 30 words. (i) Name three states having black soil and the crop which is mainly grown in it. (ii) What type of soil is found in the river deltas of the eastern coast? Give three main features of this type of soil. (iii) What steps can be taken to control soil erosion in the hilly areas?
Answer:
(i) Three states having black soil are Maharashtra, Madhya Pradesh, and Gujarat. The main crop grown in black soil is cotton. (ii) Alluvial soil is found in the river deltas of the eastern coast. Features: (a) It is very fertile, (b) rich in potash, phosphoric acid, and lime, (c) suitable for growing rice, wheat, sugarcane, and other crops. (iii) Steps to control soil erosion in hilly areas include: (a) terrace farming to reduce runoff, (b) afforestation to bind the soil, (c) contour ploughing to slow water flow, (d) building check dams and retaining walls.
Explanation:
Detailed explanation: (i) Black soil, also called regur soil, is found mainly in Maharashtra, Madhya Pradesh, and Gujarat. It retains moisture and is ideal for cotton cultivation. (ii) The river deltas of the eastern coast have alluvial soil deposited by rivers. This soil is fertile and supports intensive agriculture. (iii) Soil erosion in hills can be controlled by terrace farming which creates flat areas, afforestation which stabilizes soil, contour ploughing which reduces runoff speed, and construction of physical barriers like check dams.
Q3.3. Answer the following questions in about 120 words. (i) Explain land use pattern in India and why has the land under forest not increased much since 1960-61? (ii) How have technical and economic development led to more consumption of resources?
Answer:
(i) Land use pattern in India shows that a large portion of land is used for agriculture, followed by forests, pastures, and other uses. Since 1960-61, the land under forest has not increased much due to factors like deforestation for agriculture, urbanization, and industrialization. Despite afforestation efforts, the demand for land for farming and development has limited forest expansion. (ii) Technical and economic development have increased resource consumption by enabling large-scale production and infrastructure growth. Mechanization, industrialization, and improved transportation have raised demand for minerals, fossil fuels, water, and land. Economic growth leads to higher living standards, increasing consumption of energy, raw materials, and goods, thereby putting pressure on natural resources.
Explanation:
Stepwise explanation: (i) India's land use includes agricultural land, forest land, barren land, and others. Forest area has remained stable or declined due to clearing for farming, urban growth, and industries. Afforestation programs have tried to compensate but have not significantly increased forest cover. (ii) Technological advances allow exploitation of resources at a faster rate. Economic development increases demand for energy, minerals, and land. This leads to overuse and depletion of resources, highlighting the need for sustainable management.
Q4.PROJECT/ACTIVITY 1. Make a project showing consumption and conservation of resources in your locality. 2. Have a discussion in the class– how to conserve various resources used in your school. 3. Imagine if oil supplies get exhausted, how will this affect our life style? 4. Solve the puzzle by following your search horizontally and vertically to find the hidden answers. (i) Natural endowments in the form of land, water, vegetation and minerals. (ii) A type of non-renewable resource. (iii) Soil with high water retaining capacity. (iv) Intensively leached soils of the monsoon climate. (v) Plantation of trees on a large scale to check soil erosion. (vi) The Great Plains of India are made up of these soils.
Answer:
1. Project: Collect data on how resources like water, electricity, fuel, and food are consumed in your locality. Also, document ways people conserve these resources, such as rainwater harvesting, use of solar energy, recycling, and afforestation. 2. Discussion: Talk about reducing wastage of water and electricity, promoting use of renewable energy, minimizing paper use, and encouraging tree plantation in school. 3. Impact of oil exhaustion: Oil is crucial for transport, industry, and agriculture. Its exhaustion would lead to increased costs, scarcity of goods, disruption in transport, and a need to shift to alternative energy sources. 4. Puzzle answers: (i) Natural endowments in the form of land, water, vegetation and minerals - RESOURCES (ii) A type of non-renewable resource - MINERALS (iii) Soil with high water retaining capacity - BLACK SOIL (iv) Intensively leached soils of the monsoon climate - LATERITE SOIL (v) Plantation of trees on a large scale to check soil erosion - AFFORESTATION (vi) The Great Plains of India are made up of these soils - ALLUVIAL SOILS
Explanation:
The project and discussion encourage practical understanding of resource use and conservation. The puzzle tests knowledge of key terms related to natural resources and soils: - Resources: natural endowments - Minerals: non-renewable - Black soil: retains water - Laterite soil: leached in monsoon climate - Afforestation: tree plantation to prevent erosion - Alluvial soils: found in Great Plains
Q5.Which of the following rivers is NOT mentioned as a source of alluvial soil in India?
Answer:
Narmada
Explanation:
The Godavari, Krishna, and Kaveri rivers are mentioned as sources of alluvial soil. The Narmada river is not mentioned in this context.
Q6.What are the main components of alluvial soil and how do their sizes change as we move inland towards river valleys?
Answer:
Explanation:
Alluvial soil consists of various proportions of sand, silt, and clay. As we move inland towards the river valleys, the soil particles appear somewhat bigger in size. Near the break of slope in the upper reaches of the river valley, soils are coarse, typical of piedmont plains such as Duars, Chos, and Terai.
Q7.Which of the following statements correctly distinguishes old alluvial (Bangar) soil from new alluvial (Khadar) soil?
Answer:
Bangar soil has higher concentration of kankar nodules and is less fertile than Khadar soil.
Explanation:
Old alluvial soil (Bangar) contains more kankar nodules and fine particles but is less fertile compared to new alluvial soil (Khadar), which is more fertile and found in flood plains.
Q8.Why are alluvial soils considered highly fertile, and which crops are ideally grown in them?
Answer:
Explanation:
Alluvial soils are highly fertile because they contain adequate proportions of potash, phosphoric acid, and lime, which are essential nutrients for plant growth. These soils are ideal for growing crops such as sugarcane, paddy, wheat, and various cereals and pulses.
All 7 Chapters in Contemporary India
Social Science · Class 10