CBSE Class 12 Geography NCERT Solutions: Mineral and Energy Resources
This resource provides comprehensive NCERT Solutions for Class 12 Geography, Chapter 7, focusing on Mineral and Energy Resources in India. It covers the distribution of key minerals like mica and petroleum, explains different types of energy resources including conventional and non-conventional sources, and details important power stations. The solutions are designed to help students understand the spatial patterns of resource availability and utilization across India. By offering clear explanations and detailed answers to exercise questions, these solutions aid in effective exam preparation and a deeper grasp of India's mineral and energy landscape.
Quick info
| Board | CBSE |
|---|---|
| Class | Class 12 |
| Subject | Geography |
| Session | 2026 |
| Language | English |
| Type | NCERT Solutions |
| Chapter | Chapter 7 |
Chapter summary
Chapter 7 of the Class 12 Geography textbook, "Mineral and Energy Resources," delves into the distribution and significance of various minerals and energy sources within India. The NCERT Solutions for this chapter provide detailed answers to exercise questions, covering topics such as the geographical distribution of minerals like mica and petroleum, the classification and importance of non-ferrous metals, and the distinction between conventional and non-conventional energy sources. It also highlights major power stations and resources, offering a comprehensive overview for students.
Learning outcomes
- Understand the distribution of major minerals in India.
- Identify and explain different types of energy resources.
- Differentiate between conventional and non-conventional energy sources.
- Locate important mineral deposits and energy production sites in India.
- Explain the significance of petroleum resources and their refining.
- Discuss the role of nuclear and hydel power in India's energy sector.
Topics covered
Paper topics
- Mineral Distribution in India
- Mica Resources
- Petroleum Resources
- Nuclear Power Stations
- Non-ferrous Metals
- Conventional Energy Sources
- Non-conventional Energy Sources
- Hydel Power
- Thermal Power
- Energy Resources Classification
- Mineral and Energy Economics
- Spatial Distribution of Resources
Important topics
- Distribution of Petroleum Resources
- Major Nuclear Power Stations
- Non-ferrous Metal Distribution
- Non-conventional Energy Sources
- Mica Distribution in India
- Hydel Power in India
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Questions and Solutions
Question 1
- In which one of the following states are the major oil fields located?
- Assam
- Bihar
- Rajasthan
- Tamil Nadu
- At which one of the following places was the first atomic power station started?
- Kalpakkam
- Narora
- Rana Pratap Sagar
- Tarapur
- Which one of the following minerals is known as brown diamond?
- Iron
- Lignite
- Manganese
- Mica
- Which one of the following is non-renewable source of energy?
- Hydel
- Solar
- Thermal
- Wind power
- The major oil fields in India are primarily located in Assam. Assam has historically been a significant region for oil exploration and production, with fields like Digboi being prominent. Answer: (a) Assam
- The first atomic power station in India was established at Tarapur in Maharashtra. It commenced operations in 1969, marking a significant step in India's nuclear energy program. Answer: (d) Tarapur
- Lignite is often referred to as 'brown diamond' due to its importance as a fuel source, particularly for thermal power generation. It is a lower grade of coal but crucial for energy needs. Answer: (b) Lignite
- Thermal power is considered a non-renewable source of energy because it relies on the combustion of fossil fuels like coal, petroleum, and natural gas, which are finite resources and cannot be replenished at a rate comparable to their consumption. Answer: (c) Thermal
Question 2
- Give an account of the distribution of mica in India.
- What is nuclear power? Mention the important nuclear power stations in India.
- Name non-ferrous metal. Discuss their spatial distribution.
- What are non-conventional sources of energy?
- Mica is a non-metallic mineral crucial for electrical and electronic industries. In India, it is predominantly found in Jharkhand, Andhra Pradesh, Telangana, and Rajasthan. Significant deposits also exist in Tamil Nadu, West Bengal, and Madhya Pradesh, with the Nellore district in Andhra Pradesh producing the best quality.
- Nuclear power is the controlled release of energy from nuclear reactions, typically fission, within a nuclear reactor. This energy is used to generate electricity. Important nuclear power stations in India include Tarapur (Maharashtra), Rawatbhata (Rajasthan), Kalpakkam (Tamil Nadu), Narora (Uttar Pradesh), Kakrapar (Gujarat), Kaiga (Karnataka), and Kudankulam (Tamil Nadu).
- Non-ferrous metals are those that do not contain iron, such as aluminum, copper, lead, nickel, tin, and zinc. Their spatial distribution varies: copper is abundant in Rajasthan, Jharkhand, and Madhya Pradesh; lead is found mainly in Rajasthan, Tamil Nadu, Andhra Pradesh, and Uttar Pradesh; nickel resources are concentrated in Odisha; and zinc is found in Rajasthan, Madhya Pradesh, Bihar, and Maharashtra.
- Non-conventional sources of energy are those that are replenished naturally and continuously. Examples include solar energy, wind energy, geothermal energy, tidal energy, and biomass energy. These sources are considered sustainable and environmentally friendly alternatives to conventional fossil fuels.
Question 3
- Write a detailed note on the Petroleum resources of India.
- Write an essay on hydel power in India.
- Petroleum, or crude oil, is a vital liquid fossil fuel extracted from the earth and refined into various products essential for transportation, industry, and energy generation. India's petroleum sector began with the discovery of crude oil and the establishment of the first refinery at Digboi, Assam, in 1901. Initially, refining capacity was limited, but it has grown significantly over the decades. Crude oil, a complex mixture of hydrocarbons, requires refining to remove impurities and separate it into usable components like gasoline, diesel, kerosene, and lubricants. India's major petroleum-producing regions include the offshore basins of Mumbai High, the onshore areas of Assam, Gujarat, and the Krishna-Godavari basin. The refining sector has expanded with numerous refineries across the country to meet the growing demand for petroleum products.
- Hydel power, generated from the energy of falling water, is a significant source of renewable energy in India. It harnesses the potential energy of water stored in dams or flowing rivers to turn turbines and produce electricity. India has a substantial potential for hydel power generation due to its diverse river systems and varied topography. Major hydel power stations are located in regions with abundant water resources and suitable geographical conditions, such as the Himalayan foothills and the Western Ghats. States like Himachal Pradesh, Uttarakhand, Sikkim, Arunachal Pradesh, and parts of the Western Ghats are key areas for hydel power development. Hydel power is considered a clean energy source as it does not produce greenhouse gas emissions during operation, although the construction of large dams can have environmental and social impacts. It plays a crucial role in meeting India's energy demands and reducing reliance on fossil fuels.
Common mistakes
- Confusing non-renewable and renewable energy sources.
- Inaccurate recall of locations of mineral fields or power stations.
- Not clearly distinguishing between mineral reserves and production.
- Failing to provide sufficient detail on the spatial distribution of resources.
Revision tips
- Create a map of India and mark the locations of major mineral deposits and energy resources discussed.
- Use flashcards to memorize the names of power stations and their locations.
- Summarize the key characteristics and distribution of each mineral and energy type in bullet points.
- Practice explaining the difference between conventional and non-conventional energy sources in your own words.
Practice MCQs
Q1. Which of the following states is a major producer of mica in India?
Explanation: Mica is primarily produced in states like Jharkhand, Andhra Pradesh, Telangana, and Rajasthan. Jharkhand is particularly known for high-quality mica.
Q2. The first atomic power station in India was started at which location?
Explanation: Tarapur Atomic Power Station in Maharashtra, established in 1969, was the first atomic power station in India.
Q3. Which mineral is often referred to as 'brown diamond' due to its importance as a fuel?
Explanation: Lignite, a type of coal, is sometimes called 'brown diamond' because of its significant role as a fuel source, especially in thermal power generation.
Q4. Which of the following is considered a non-renewable source of energy?
Explanation: Thermal power, derived from burning fossil fuels like coal, is a non-renewable energy source as these fuels are finite and cannot be replenished quickly.
Q5. Which non-ferrous metal has its largest reserves in Odisha?
Explanation: Odisha is endowed with the largest share of resources of nickel ore in India.
Frequently asked questions
What are the main topics covered in CBSE Class 12 Geography Chapter 7 NCERT Solutions?
Chapter 7 covers the distribution of mineral and energy resources in India, including petroleum, mica, non-ferrous metals, and various types of energy sources like nuclear, hydel, thermal, solar, and wind power.
Which states are major producers of mica in India?
Mica is mainly produced in Jharkhand, Andhra Pradesh, Telangana, and Rajasthan. High-quality mica is found in Jharkhand's Hazaribagh plateau and Andhra Pradesh's Nellore district.
What is the difference between conventional and non-conventional energy sources?
Conventional energy sources (like coal, petroleum, natural gas, hydel, thermal) are finite and often polluting, while non-conventional sources (like solar, wind, biomass, geothermal) are renewable and generally more environment-friendly.
Where were the first atomic power station and the first oil refinery established in India?
The first atomic power station was started at Tarapur (Maharashtra) in 1969, and the first oil refinery was set up at Digboi (Assam) in 1901.
How do these NCERT Solutions help students prepare for exams?
These solutions provide clear, detailed answers to all exercise questions, helping students understand complex concepts, memorize key facts like resource distribution, and practice problem-solving techniques required for exams.
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