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Class 8 Exam  >  Class 8 Tests  >  Test: Mineral & Power Resources (Medium) - Class 8 MCQ

Test: Mineral & Power Resources (Medium) - Class 8 MCQ


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20 Questions MCQ Test - Test: Mineral & Power Resources (Medium)

Test: Mineral & Power Resources (Medium) for Class 8 2024 is part of Class 8 preparation. The Test: Mineral & Power Resources (Medium) questions and answers have been prepared according to the Class 8 exam syllabus.The Test: Mineral & Power Resources (Medium) MCQs are made for Class 8 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Test: Mineral & Power Resources (Medium) below.
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Test: Mineral & Power Resources (Medium) - Question 1
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_____is the primary source of all energies on the earth.

Detailed Solution for Test: Mineral & Power Resources (Medium) - Question 1

The Sun is the principal source of energy on the Earth’s surface. It is like a powerhouse which generates and gives out power in the form of light and heat.

Test: Mineral & Power Resources (Medium) - Question 2
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Primary activity that is practised on a larger scale is_______.

Detailed Solution for Test: Mineral & Power Resources (Medium) - Question 2
It is an essential primary activity. It supports the industrial growth of a country.

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Test: Mineral & Power Resources (Medium) - Question 3
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Which of the following is/are true

A.Crisis in the energy requirements due to the increasing population can be solved by Non-conventional energy sources

B. Non-conventional energy sources do not pose a threat to the environment

Detailed Solution for Test: Mineral & Power Resources (Medium) - Question 3
Non-conventional energy sources are those energy sources which are comparatively new technologies. Most of these sources are renewable and do not poses a threat to the environment. With increasing population and changing way of life, the energy requirement is growing at a fast pace. Thus non-conventional energy sources give the world an alternate birth to provide energy crunch and are also environment friendly, reducing the threat.

Test: Mineral & Power Resources (Medium) - Question 4
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Which of the following metals are light in weight?
Detailed Solution for Test: Mineral & Power Resources (Medium) - Question 4
Magnesium is the lightest structural metal currently available in the world. It's approximately 34% lighter by volume than aluminium and 50% lighter than titanium.

Test: Mineral & Power Resources (Medium) - Question 5
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The energy posses by moving air is called______.
Detailed Solution for Test: Mineral & Power Resources (Medium) - Question 5
Wind energy: It is the energy possessed by moving air. It is a form of solar energy.

Test: Mineral & Power Resources (Medium) - Question 6
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Geothermal energy may serve as an essential source of energy in_________.
Detailed Solution for Test: Mineral & Power Resources (Medium) - Question 6
Geothermal energy is thermal energy generated and stored in the Earth. Geothermal energy may serve as an essential source of energy in Ladakh District.

Test: Mineral & Power Resources (Medium) - Question 7
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Direct Solar energy is used for
Detailed Solution for Test: Mineral & Power Resources (Medium) - Question 7
Solar energy is the energy derived from the sun’s heat and light. It is an essential source of renewable energy. Direct Solar energy is used for Water heating, Distillation, Drying, solar thermal energy, solar architecture, molten salt power plants, artificial photosynthesis etc.

Test: Mineral & Power Resources (Medium) - Question 8
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Minerals are non-renewable______.
Detailed Solution for Test: Mineral & Power Resources (Medium) - Question 8
Minerals, used for making metals, are also non-renewable natural resources. Non-renewable natural resources are things that take longer than a person's lifespan to be replaced. They can take millions of years to form. Fossil fuels such as oil, coal, and gas will not last forever.

Test: Mineral & Power Resources (Medium) - Question 9
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Minerals are______sources.
Detailed Solution for Test: Mineral & Power Resources (Medium) - Question 9
Minerals are non-renewable resources. A non-renewable resource is the resource of a substance that is being used up more quickly than it can replace itself. Its supply is finite. Most fossil fuels, minerals, and metal ores are non-renewable resources.

Test: Mineral & Power Resources (Medium) - Question 10
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Which of the following is/are uses of non-conventional energy sources __________________.
Detailed Solution for Test: Mineral & Power Resources (Medium) - Question 10
Natural resources like wind, tides, solar, biomass, etc. generate energy known as “Non-conventional resources“. These are pollution-free, and hence we can use these to produce a pure form of life without any wastage.

Test: Mineral & Power Resources (Medium) - Question 11
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The difference between tidal energy and wave energy is that
Detailed Solution for Test: Mineral & Power Resources (Medium) - Question 11
Tidal energy uses gravitational pull of Earth, moon, and sun to produce energy, whereas wave energy uses kinetic forces of waves to generate electricity. The tides at shorelines of oceans will rise and fall about twice a day.

Test: Mineral & Power Resources (Medium) - Question 12
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Which of the following gas is present in large quantities of biogas?
Detailed Solution for Test: Mineral & Power Resources (Medium) - Question 12
Methane is present in large quantities in Biogas. The gas primarily contains methane (CH4) and carbon dioxide (CO2) and may have small amounts of hydrogen sulfide (H2S), moisture, and siloxanes.

Test: Mineral & Power Resources (Medium) - Question 13
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Which of the following countries is rich in oil?
Detailed Solution for Test: Mineral & Power Resources (Medium) - Question 13

Indonesia has significant energy resources, starting with oil – it has 22 billion barrels of

conventional oil and gas reserves, of which about 4 billion are recoverable. That's the equivalent of about 10 years of oil production and 50 years of gas.

Test: Mineral & Power Resources (Medium) - Question 14
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Which one of the following places is not on the Hajira-Bijapur-Jagdishpur Natural Gas pipeline?
Detailed Solution for Test: Mineral & Power Resources (Medium) - Question 14
A gas pipeline from Hazira in Gujarat connects Jagdishpur in Uttar Pradesh, via Vijaipur in Madhya Pradesh. It has branches to Kota in Rajasthan, Shahajahanpur, Babrala and other places in Uttar Pradesh.

Test: Mineral & Power Resources (Medium) - Question 15
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________is a non conventional form of energy made from agriculture waste.
Detailed Solution for Test: Mineral & Power Resources (Medium) - Question 15
Biomass is a kind of non-conventional energy. It is a form of life made from agricultural waste. Biomass is organic material that comes from plants and animals. It contains stored energy from the Sun.

Test: Mineral & Power Resources (Medium) - Question 16
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Geothermal is the____energy contained in the rock and fluid that fills the fractures and pores within the stones in the earth's crust.
Detailed Solution for Test: Mineral & Power Resources (Medium) - Question 16
Geothermal energy refers to the heat and electricity produced using the heat from the Earth’s interior. Geothermal energy exists because the Earth grows progressively hotter with increasing depth.

Test: Mineral & Power Resources (Medium) - Question 17
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What does CASE means in terms of energy source?
Detailed Solution for Test: Mineral & Power Resources (Medium) - Question 17
The Government of India established a Commission for Additional Sources of Energy (CASE) in the Department of Science and Technology, in 1981. The mandate of CASE is to promote research and development activities in the field of renewable energy.

Test: Mineral & Power Resources (Medium) - Question 18
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In which year the Commission for Additional Source of energy was set up?
Detailed Solution for Test: Mineral & Power Resources (Medium) - Question 18
1970s energy crisis led to establishing the Commission for Additional Sources of Energy (CASE) in the Department of Science & Technology (India) in March 1981.

Test: Mineral & Power Resources (Medium) - Question 19
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The state famous for diamond mining is___________.
Detailed Solution for Test: Mineral & Power Resources (Medium) - Question 19
Panna (Madhya Pradesh) is famous for its diamond mines. Panna is located in the north-eastern part of Madhya Pradesh with the headquarters at Panna town. Diamond mines in Panna are managed under the Diamond Mining Project of National Mineral Development Corporation (NMDC Ltd) of Government of India.

Test: Mineral & Power Resources (Medium) - Question 20
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Wind turbines convert which of the following energy into mechanical energy?
Detailed Solution for Test: Mineral & Power Resources (Medium) - Question 20
Kinetic energy: Wind turbines convert the kinetic energy in the wind into mechanical power. This mechanical power can be used for specific tasks (such as grinding grain or pumping water). A generator can convert this mechanical power into electricity to power homes, businesses, schools, and the like.
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