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Published on: 04/10/2019
GEO - Resources
Download Tamil Nadu 7th Standard Social Science question papers, model tests, one-mark questions, important questions, and public exam papers in PDF format. Free study materials and answer keys for TN State Board students.
Questions + Answers key
Take MCQ Social Science Test
1.
Electricity produced from coal is called _______.
Thermal Power
Nuclear power
Solar power
Hydel power
2.
______ is one of the indispensable minerals used in electrical and electronics Industry.
Limestone
Mica
Manganese
Silver
3.
Which one of the following is renewable resource?
Gold
Iron
Petrol
solar energy
4.
Petroleum and its derivatives are called_________.
5.
________ is used in making electrical batteries.
6.
Iron ores found at _________ in Tamil Nadu.
7.
__________ is the largest producer of hydroelectricity.
8.
Limestone
9.
Fossil fuel
10.
Non-metallic resource
11.
Metallic resource
12.
Renewable resource
13.
Assertion (A) : Natural gas is found with petroleum deposits.
Reason (R) : It can be used as a domestic and industrial fuel.
a. A and R are correct and R explains A
b. A and R are correct but R does not explain A
c. A is incorrect but R is correct
d. Both A and R are incorrect
14.
Assertion (A) : Wind power is Clean Energy.
Reason (R) : Wind turbines do not produce any emissions
a. A and R are correct and R explains A
b. A and R are correct but R does not explain A
c. A is incorrect but R is correct
d. Both A and R are incorrect
15.
Give a short note on Duralumin.
16.
What are the major utilizers of solar energy in the world?
17.
Define - Resource.
18.
Metallic resources and non-metallic resources
19.
Renewable resources and non-renewable resources
20.
Biotic resources and abiotic resources
21.
Water is considered as a great source of energy.
22.
Aluminium has wide range of uses compared to other metals.
23.
What are the different types of fossil fuel resources? Explain them.
24.
Explain the different types of renewable resources.
1.
(a)
Thermal Power
2.
(b)
Mica
3.
(d)
solar energy
4.
( )
Black Gold
5.
( )
Manganese
6.
( )
Kanjamalai
7.
( )
China
8.
Sedimentary rock
9.
Petroleum
10.
Mica
11.
Iron
12.
Wind energy
13.
b. A and R are correct but R does not explain A
14.
a. A and R are correct and R explains A
15.
Duralumin is an alloy of aluminium with some other metals. It is made up of 90% aluminium 4% copper 1% magnesium and 1% manganese. As it is a light and hard it is used in aircraft construction.
16.
India, China, Japan, Italy and States of America are major utilizers of solar energy in the world.
17.
Anything which can be used for satisfying the human needs is called resource. Natural resources are resources that exist without action of humankind.
18.
| S.No | Metallic resources | Non-metallic resources |
| 1. | Metallic resources are the types of resources that are composed of metals |
Non-metallic resources can be described as the resources that do not comprise of metals |
| 2. | These are hard substances, which are the good conductors of heat and electricity |
These are not hard substances and are not good conductors of heat and electricity. |
| 3. | Example for metallic resources are iron, copper, gold, bauxite, silver, manganese, etc. |
Example for non-metallic resources are mica, limestone, gypsum, dolomite, phosphate, etc. |
19.
| S.No | Renewable resources | Non-renewable resources |
| 1. | Renewable resources can be used again and again throughout its life |
Non-renewable resources cannot be used again and again as it is limited which can be depleted one day. |
| 2. |
These resources are present in |
These resources are present in a limited quantity only. |
| 3. | These resources are pollution free | These resources are not pollution free |
| 4. | Example: Solar energy, wind energy and hydropower. |
Example: Fossil fuels, iron, copper, gold silver etc. |
20.
| S.No | Biotic resources | Abiotic resources |
| 1. | Biotic resources are found in the biosphere which are obtained from living and organic materials. |
Abiotic resources are the no-living parts of an environment |
| 2. | Biotic resources depend on abiotic resources for their survival |
Abiotic resources do not depend on biotic resources for their survival. |
| 3. | Example: Plants, trees, animals, microorganisam etc. |
Example: Sunlight, temperature, water, soil, air, etc. |
21.
At present, water is used for producing hydroelectric power. Hydroelectricity is generated from moving water with high velocity and great falls with the help of turbines and dynamos. so water is considered as a great source of energy.
22.
Aluminium has wide range of uses compared to other metals. Because
1) Aluminium is light in weight, tough and cheaper, which makes it popular metal for constructional purpose.
2) It is mainly used in the construction of aircrafts, ship, automobiles, railway coaches and etc.
3) So, Aluminium has wide range of use compared to other metals.
23.
Fossil fuel resources:
(i) Fossil fuel resources are normally formed from the remains of dead plants and animals.
(ii) They are often referred to as fossil fuels and are formed from hydrocarbon.
Coal:
(i) This is the most abundantly found fossil fuel that forms when dead plant matter is converted into peat.
(ii) It is used as a domestic fuel, in industries such as iron and steel, steam engines to generate electricity.
Petroleum:
(i) Petroleum is found between the layers of rocks and is drilled from oil fields located in Offshore and coastal areas.
(ii) Petroleum and its derivative are called Black Gold as they are very valuable.
Natural gas:
(i) Natural gas is found with petroleum deposits and is released when crude oil is brought to the surface.
(ii) It can be used as a domestic and industrial fuel.
24.
Solar energy:
(i) The sun produces energy in the form of heat and light. Solar energy is not harmful to the environment.
(ii) Photovoltaic devices or solar cells, directly convert solar energy into electricity.
(iii) India, China, Japan, Italy and States of America are major utilizers of solar energy in the world.
Hydropower:
(i) Hydroelectricity power is the cheapest and most versatile source of energy out of all the known energy. Hydroelectric power is a renewable resource.
(ii) China, Canada, Brazil, United States of America, Russia, India, Norway and Japan are some countries producing hydroelectricity. China is the largest producer of hydroelectricity.
Wind energy:
(i) Wind power is clean energy since wind turbines does not produce any emission.
(ii) In recent years, wind energy has become one of the most economical and renewable energy technologies.
(iii) Major wind energy producing countries are United States, China, Germany, Spain, India, United Kingdom, Canada and Brazil.
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Tamilnadu Stateboard 7th Standard Subjects
Tamilnadu Stateboard Standards
