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Test: Resources (Medium) - Class 8 MCQ


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20 Questions MCQ Test - Test: Resources (Medium)

Test: Resources (Medium) for Class 8 2024 is part of Class 8 preparation. The Test: Resources (Medium) questions and answers have been prepared according to the Class 8 exam syllabus.The Test: Resources (Medium) MCQs are made for Class 8 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Test: Resources (Medium) below.
Solutions of Test: Resources (Medium) questions in English are available as part of our course for Class 8 & Test: Resources (Medium) solutions in Hindi for Class 8 course. Download more important topics, notes, lectures and mock test series for Class 8 Exam by signing up for free. Attempt Test: Resources (Medium) | 20 questions in 20 minutes | Mock test for Class 8 preparation | Free important questions MCQ to study for Class 8 Exam | Download free PDF with solutions
Test: Resources (Medium) - Question 1
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Resources can be conserved by

Detailed Solution for Test: Resources (Medium) - Question 1
Conservation of resources is nothing but using resources optimally to prevent its exhaustion entirely from the universe. It can be achieved by stopping the misuse of resources. Resources can also be conserved by human population control, reducing pollution.

Test: Resources (Medium) - Question 2
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An example of renewable resource is___________.

Detailed Solution for Test: Resources (Medium) - Question 2
Based on the availability, resources are classified as renewable and non-renewable.

(i) Renewable resources: These are the sources that can be replenished over some time. Examples: forest wood because wood can be grown by reforestation.

(ii) Non-renewable: These sources cannot be renewed and available in limited quantities. Examples include coal, nuclear, oil, and natural gas. As solar energy is continuously available, it falls under renewable sources of energy.

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Test: Resources (Medium) - Question 3
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Which of the following is the source used for the collection of rainwater?

Detailed Solution for Test: Resources (Medium) - Question 3
Drip irrigation is a technique of watering plants by using narrow tubing that delivers water directly at the base of the plant, whereas the collection of rainwater in the barrel and rain catchment system is a method of rainwater collection.

Test: Resources (Medium) - Question 4
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Which of the following resources is non-renewable but can be recycled?
Detailed Solution for Test: Resources (Medium) - Question 4
Iron is a non-renewable resource that can be recycled. For example, iron chairs, tables, etc. can be recycled after their end utility. But coal and wood, once used, are reduced to ash and smoke, which cannot be recycled further for any use. Water is a renewable resource.

Test: Resources (Medium) - Question 5
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Human beings, flora and fauna, fisheries, and livestock are_____________.
Detailed Solution for Test: Resources (Medium) - Question 5
The living components of an ecosystem are known as biotic resources. These include human beings, flora, and fauna, fisheries, and livestock. Flora means the plants and fauna mean the animals of the particular area. The ecosystem components interact with each other and are interdependent on each other for their need for survival. Human activities like deforestation and pollution are a significant threat to biotic resources.

Test: Resources (Medium) - Question 6
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Of the entire water resources of the world, what is the percentage of freshwater?
Detailed Solution for Test: Resources (Medium) - Question 6
Only about three per cent of Earth's water is freshwater. Of that, only about 1.2 per cent can be used as drinking water; the rest is locked up in glaciers, ice caps, and permafrost, or buried deep in the ground. Most of our drinking water comes from rivers and streams.

Test: Resources (Medium) - Question 7
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Which of the following kinds of soils are brought about by the depositional activity of winds?
Detailed Solution for Test: Resources (Medium) - Question 7
A soil formed under broad-leaved forests in humid subtropical regions, chiefly on parent material from clayey shales. It has an acid reaction and low humus content, and the presence of ferric hydroxide causes its yellow colour. The total thickness of the soil horizons is 30-70 cm.

Test: Resources (Medium) - Question 8
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Natural resources are the resources?
Detailed Solution for Test: Resources (Medium) - Question 8
Natural resources are the resources that exist without the action of humankind. This includes all valued characteristics such as magnetic, gravitational, electrical properties and forces, etc.

Test: Resources (Medium) - Question 9
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The given diagram can be related to which of the following practices?
Detailed Solution for Test: Resources (Medium) - Question 9
A rainwater harvesting system, also called a rainwater collection system or rainwater catchment system, a technology that collects and stores rainwater for human use. Rainwater harvesting systems range from simple rain barrels to more elaborate structures with pumps, tanks, and purification systems.

Test: Resources (Medium) - Question 10
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An example of a biotic resource is_________.
Detailed Solution for Test: Resources (Medium) - Question 10
A type of natural resources derived from the biosphere as against abiotic resource from non-living things. Examples of biotic resources are forests, animals, birds, fish, and marine organisms. Mineral fuels are often considered biotic resources since they're derived from or products formed from decayed organic matter.

Test: Resources (Medium) - Question 11
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Biofuels are the fuels which are obtained from plants. Which of the following statements is incorrect regarding this?
Detailed Solution for Test: Resources (Medium) - Question 11
Jatropha seeds are used to make bio-diesel. The cultivation of Jatropha is uncomplicated. The plant can grow in wasteland sand almost on any terrain, even on gravelly, sandy, and saline soils. It can thrive in poor and stony soils and does not require much irrigation. Complete germination is achieved within 9 days.

Test: Resources (Medium) - Question 12
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Which of the following is a product of pastoral resources?
Detailed Solution for Test: Resources (Medium) - Question 12
Pastoralism is a branch of agriculture that deals with raising livestock. Pastoralism is a part of animal husbandry which often deals with moving the herd in search of pastures. Resources obtained from such livestock are called pastoral resources. As the wool, meat, and milk is obtained from livestock; it falls under religious resources.

Test: Resources (Medium) - Question 13
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Which one of the following is not in favour of the conservation of nature?
Detailed Solution for Test: Resources (Medium) - Question 13
Polypack bags are made of plastic that can be recycled. Instead of throwing them, it’s better to recycle them.

Test: Resources (Medium) - Question 14
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On the basis of exhaustibility,resources can be classified into_________.
Detailed Solution for Test: Resources (Medium) - Question 14
Based on the exhaustibility, resources are classified as renewable and non-renewable.

(i) Renewable resources: These are the sources that can be replenished over some time. Example: solar energy.

(ii) Non-renewable: These sources cannot be renewed and available in limited quantities. Example: coal.

Test: Resources (Medium) - Question 15
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Which one of the following is a non-renewable resource?
Detailed Solution for Test: Resources (Medium) - Question 15
Non-renewable energy resources include coal, natural gas, oil, and nuclear power. Once these resources are used up, they cannot be replaced, which is a significant problem for humanity as we are currently dependent on them to supply most of our energy needs.

Test: Resources (Medium) - Question 16
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Resources are distributed unequally over the earth because of
Detailed Solution for Test: Resources (Medium) - Question 16
The distribution of natural resources depends upon several physical factors like terrain, climate, and altitude. The distribution of resources is unequal because these factors differ so much over the earth.

Test: Resources (Medium) - Question 17
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Resources drawn from nature and used without much modification are called
Detailed Solution for Test: Resources (Medium) - Question 17
Resources that are drawn from Nature and used without much modification are called natural resources. The air we breathe, the water in our rivers and lakes, the soils, minerals are all-natural resources. Natural resources can be broadly categorised into renewable and non-renewable resources.

Test: Resources (Medium) - Question 18
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The basis of classification of resources are
Detailed Solution for Test: Resources (Medium) - Question 18
Resources can be classified in the following ways–

(a) based on origin – biotic and abiotic

(b) based on exhaustibility – renewable and non-renewable

(c) based on ownership – individual, community, national and international

(d) based on the status of development – potential developed stock, and reserves.

Test: Resources (Medium) - Question 19
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The resources whose quantities are known, named as
Detailed Solution for Test: Resources (Medium) - Question 19
Actual resources have been surveyed, their quantity and quality determined, and are being used in present times. For example, petroleum and natural gas are actively being obtained from the Mumbai High Fields.

Test: Resources (Medium) - Question 20
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Give an example of biotic resources.
Detailed Solution for Test: Resources (Medium) - Question 20
Biotic factors include the living components of an ecosystem. These factors depend on abiotic factors for survival and reproduction. Biotic components originate from the biosphere. Biotic resources comprise all residing organisms from animals and humans.

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