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Karnataka State Syllabus Class 10 Social Science Geography Chapter 8 Indian Mineral & Power Resources
Class 10 Social Science Indian Mineral & Power Resources Textbook Exercise Questions and Answers
I. Fill In The Blanks With Suitable Answers.
Question 1.
The most important ferroalloy metal is
Answer:
Manganese ore
Question 2.
The main source of Aluminium is
Answer:
Bauxite
Question 3.
The important non-metallic mineral is it
Answer:
Mica
Question 4.
A fuel substance of plant origin is
Answer:
Fossil
Question 5.
Shivanasamudrani hydel power station is in the state of
Answer:
Karnataka
II. Answer The Following Question After Discussing Them In Groups.
Question 1.
Define the terms Mineral and Mining.
Answer:
- The mineral is a natural inorganic substance that possesses a definite chemical composition and physical properties.
Eg : Iron ore. Manganese, Bauxite etc - The process of extracting minerals from the earth is called mining,
Question 2.
What are the main uses of Manganese ore?
Answer:
- Manganese is the most important ferroalloy metal.
- It is used for the manufacture of steel.
- It is also in the manufacture of dry batteries, paints, glass, pottery and calico printing.
Question 3.
Mention the major states producing Bauxite in India :
Answer:
Odisha, Gujarath, Jarkhand, Maharashtra, Chattisgarh, Tamil Nadu, and Madhya Pradesh are the major states producing Bauxite in India.
Question 4.
Explain the meaning and importance of power resources in India.
Answer:
The resources which are necessary for the generation of energy are called ‘power resources’
- Power resources are essential for economic development and improving the standard of living of the people in a country.
- They play a major role in the development of industry, agriculture, commerce, transport and communications etc.
Question 5.
Explain the distribution of Petroleum in India.
Answer:
- In India most of the petroleum reserves are found in bombay high and in the states of Gujarat, Assam , Andhra Pradesh and Tamil Nadu.
- The main oil fields are Digbi, Naharkatiya, Moran – Hugrijan, Sibsagar and Rudrasagar:
Question 6.
Mention the Nuclear power stations in India.
Answer:
There are nuclear power plants in the country.
- Tarapur, near Mumbai, in Maharashtra
- Ranapratapsagar, near Kota in Rajasthan.
- Kalpakam, near Chennai in Tamil Nadu
- Narora near Narora in Uttar Pradesh
- Kakrapara in Gujarat
- Kaiga near Karwar in Karnataka
- Kundan Kulam in Tamil Nadu
Question 7.
Mention the main hydel power plants of Tamil Nadu.
Answer:
The main hydel power plants of Tamil Nadu
- Mettur
- Kundal Pykara
- Suruliyar
- Papanasum
- Kodayar
- Peruyar
- Moyar
- Solayar
III.
1. Draw a neat outline map of India and mark the areas of Manganese and Bauxite deposits
2. Draw a neat outline map of India and mark the Coal distribution areas.
3. Draw a neat outline map of India and locate the major oil-producing centers.
Class 10 Social Science Indian Mineral & Power Resources Additional Questions and Answers
I. Multiple Choice Questions:
Question 1.
It is a ferrous metallic mineral
a. Iron ore
b. Manganese
c. Bauxite
d. Gold
Answer:
a. Iron ore
Question 2.
Manganese is known as “The Jack of all traders” among the minerals because
a. Of its many uses,
b. Use in Iron and steel factories.
c. Use in Iron and steel factories
d. All traders use manganese as main source
Answer:
a. Of its many uses
Question 3.
The largest producer of manganese is
a. Punjab
b. Gujarath
c. Odisha
d. Andhrapradesh
Answer:
c. Odisha
Question 4.
Aluminium is called as “wonder metal” because
a. It is useful to all factories
b. It is precious mineral
c. Use in Iron factories
d. Used for several purposes
Answer:
d. Used for several purposes
Question 5.
Recently mica export has declined because
a. Synthetic mica is being produced in many countries
b. Many factories used some alternative minerals
c. The available of mica is decrease
d. Mica is very costly and not available
Answer:
a. Synthetic mica is being produced in many countries
Question 6.
The first oil well of India is in
a. Cambay
b. Ankaleswar
c. Kalol
d. Navgaon
Answer:
b. Ankaleswar.
Question 7.
Nizamsagar, Nagarjunasagar hydel power generation stations are in
a. Maharashtra
b. Kerala
c. Odisha
d. Telangana
Answer:
d. Telangana
II. One Mark Questions
Question 1.
Which state of India producer of Iron ore?
Answer:
Odisha is the largest producer of iron ore in India.
Question 2.
What is one? What is its scientific name?
Answer:
- Ore is the deposits from which the mineral is obtained.
- Mineralogy is its scientific name
Question 3.
Why we called manganese as the ‘Jack – of all trades”?
Answer:
Manganese is known as “the jack of all trades“ among the minerals, because of its many uses.
Question 4.
How ‘Bauxite’s name is derived?
Answer:
This word is derived from ‘Les Baux.near Arles in France where it was first found.
Question 5.
Aluminium is ‘wonder metal of the 20th century’ why?
Answer:
Aluminium is the ‘wonder metal of the 20th century’ used for several purposes.
Question 6.
Why did we call coal is black diamond?
Answer:
On account of its multiple utitlity coal is known as black diamond.
Question 7.
Petroleum is called as ‘Liquid Gold’ why?
Answer:
Petroliuni is also known as Liquid Gold’ on account of its economic and strategic values.
Question 8.
What are Fossil fuel?
Answer:
Any fuel inade from fossilized remains of plants and animals.
Eg : Coal, petrolium and natural gas
Question 9.
What is Hydroelectricity?
Answer:
Electricity generated from the force of falling water is called hydroelectricity.
III. Two Marks Questions
Question 1.
Write the uses of minerals?
Answer:
- Minerals are the gift of nature.
- They contribute to the prosperity of a country.
- They are useful for industrial development, construction purpose, progress of transport and communication, trade and commerce.
- Some minerals have great economic value. Eg : gold, diamond etc.
- India is endowed with many minerals.
Question 2.
Write the special features of Mica.
Answer:
- It is important non – inetallic mineral It can be easily split into very thin, transparent sheets and is heat resistance.
- Mica sheets are used in electrical industry, telephone, aeroplanes, automobiles and wireless communications.
Question 3.
How coal is formed?
Answer:
Coal is a fuel substance of plant origin. It is composed largely of carbon. The vegetative matter which was buried in the past ages has changed into coal due to high temperature and pressure.
Question 4.
Name the two geological periods of coal.
Answer:
- Two geological periods of coal namely:
- Gondwana and
- Tertiary coal deposits
- However, Gondwana coal is extensive and more important.
Question 5.
Write the importance of petroleum.
Answer:
- Petroleum is mineral oil which is composed of hydrocarbons
- It is an important fuel as well as raw material for many industries.
- It is an important source of commercial energy and is largely used for transport.
- It provides raw materials for various petrochemical industries such as synthetic, rubber, synthetic fiber, drugs, fertilizer dyestuffs etc.
Question 6.
What is nuclear power? India formulated the programme of nuclear power production why?
Answer:
- The energy generated from the atomic minerals is called “Nuclear Power”.
- In India the demand for energy has increased.
- However the production of power is not enough to meet the requirement
- Hence India forinulated the programme of nuclear power production.
IV. Three Marks Questions
Question 1.
Write the important hydel power generation stations of India.
Answer:
The important hydel power generation stations are
- Karnataka : Shivanasamudram, Shimsa, Sharavathi, Linganamakki, Alamatti, Varahi. Kali and Bhadra’
- Tamil Nadu : Mettur. Pykara , Papanasum , Periyar, Moyar. Kundah, Suruliyar, Kodayar, Solayar.
- Maharashtra: Koyana, Khopoli, Bhola, Bhivpuri and Bihar
- Odisha : Hirahud, Bhimkud, Balimela and Regali.
- Andhra Pradesh : Srisailam. Ramapadasagar, Sileru
- Telangana : Nizamsaga, Nagarjunasagar, Pochampad.
- Keral : Iddiki, Sabargiri, Pallivasal, Parambikulam.
- Others : Ukai, Kadana in Gujarat, Subharnarekha Maithon, Tilaiya. Panchat hill in Jharskand.
Question 2.
What are the need for non – conventional power resources in present days.
Answer:
In India non – conventional power resources are found in abundance.
- They are renewable, pollution free and eco-friendly
- They can be conveniently supplied to urban as well as rural areas.
- They are capable of meeting the requirements of power in India.
- In recent years rate of energy consumption has increased.
- Thus there is urgent need to develop of alternative power resources in India.
Question 3.
Which are the main reasons for energy crises?
Answer:
The main reasons for energy crises are
- Meager deposits and shortage of petroleum
- Poor quality of coal
- Erratic rainfall, hence the shortage of water for the generation of hydroelectricity
- Loss of power in the process of transmission
- Limited use of non-conventional energy resources.
Question 4.
Which are the remedies or measures to solve the energy crises are
Answer:
Remedies or measures to solve the energy crises are
- Increase the production of petroleum and coal.
- Steps to be taken to have substitutes for oil and coal.
- Importance must be given to increase water power generation.
- Greater use of non- conventional sources of energy.