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Class 8 Exam  >  Class 8 Tests  >  Important Questions Test: Land, Soil Water, Natural Vegetation And Wildlife Resources - Class 8 MCQ

Important Questions Test: Land, Soil Water, Natural Vegetation And Wildlife Resources - Class 8 MCQ


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20 Questions MCQ Test - Important Questions Test: Land, Soil Water, Natural Vegetation And Wildlife Resources

Important Questions Test: Land, Soil Water, Natural Vegetation And Wildlife Resources for Class 8 2024 is part of Class 8 preparation. The Important Questions Test: Land, Soil Water, Natural Vegetation And Wildlife Resources questions and answers have been prepared according to the Class 8 exam syllabus.The Important Questions Test: Land, Soil Water, Natural Vegetation And Wildlife Resources MCQs are made for Class 8 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Important Questions Test: Land, Soil Water, Natural Vegetation And Wildlife Resources below.
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Important Questions Test: Land, Soil Water, Natural Vegetation And Wildlife Resources - Question 1
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How much per cent of the earth’s area is occupied by Ocean?

Detailed Solution for Important Questions Test: Land, Soil Water, Natural Vegetation And Wildlife Resources - Question 1

71 percent of the earth's surface is occupied by the seas and oceans.

The ocean water is however saline and not fit for human consumption. Fresh water accounts for only about 2.7 per cent. Nearly 70 per cent of this occurs as ice sheets and glaciers in Antarctica, Greenland and mountain regions. Due to their location they are inaccessible. Only 1 per cent of freshwater is available and fit for human use. It is found as ground water, as surface water in rivers and lakes and as water vapour in the atmosphere. 

Total 71% 

Important Questions Test: Land, Soil Water, Natural Vegetation And Wildlife Resources - Question 2
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What does the zig-zag line indicate on the map of India?

Detailed Solution for Important Questions Test: Land, Soil Water, Natural Vegetation And Wildlife Resources - Question 2
In the given map the line represents a ‘water divide’ between east-flowing rivers like Mahanadi, Godavari, Krishna, Cauvery, etc., and west-flowing rivers like Narmada and Tapti.

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Important Questions Test: Land, Soil Water, Natural Vegetation And Wildlife Resources - Question 3
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The example of a common property resource is

Detailed Solution for Important Questions Test: Land, Soil Water, Natural Vegetation And Wildlife Resources - Question 3

The use of the term "common property resource" to designate a type of good has been criticised because standard property protocols do not necessarily govern common-pool resources. Examples of common-pool resources include irrigation systems, fishing grounds, pastures, forests, water, or the atmosphere.

Important Questions Test: Land, Soil Water, Natural Vegetation And Wildlife Resources - Question 4
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______is the use of land for different purposes like agriculture, forestry, mining, construction of buildings, houses, industries, and road.
Detailed Solution for Important Questions Test: Land, Soil Water, Natural Vegetation And Wildlife Resources - Question 4
Plains and river valleys offer suitable land for agriculture. Hence, these are the densely populated areas of the world. The land is used for different purposes such as agriculture, forestry, mining, building houses, roads, and industries. This is commonly termed Land use.

Important Questions Test: Land, Soil Water, Natural Vegetation And Wildlife Resources - Question 5
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Which of the following determines the use of land?
Detailed Solution for Important Questions Test: Land, Soil Water, Natural Vegetation And Wildlife Resources - Question 5
The use of land is determined by physical factors such as topography, soil, climate, minerals, and availability of water. Human factors such as population and technology are also important determinants of land use patterns.

Important Questions Test: Land, Soil Water, Natural Vegetation And Wildlife Resources - Question 6
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Which of the following factors may contribute to water shortages in Australia and other countries located in drought-prone climatic zones?
Detailed Solution for Important Questions Test: Land, Soil Water, Natural Vegetation And Wildlife Resources - Question 6

The correct answer is: 4. All of the above.

Important Questions Test: Land, Soil Water, Natural Vegetation And Wildlife Resources - Question 7
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The lowermost layer of the soil is:
Detailed Solution for Important Questions Test: Land, Soil Water, Natural Vegetation And Wildlife Resources - Question 7
  • Soil layers, or horizons, typically include the topsoil, subsoil, and the parent material, but the lowermost layer is the bedrock, which is a solid rock layer that lies beneath the soil layers. Over time, this bedrock may break down to form the parent material for soil development.

 

 

 

4o

Important Questions Test: Land, Soil Water, Natural Vegetation And Wildlife Resources - Question 8
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Which is not an example of groundwater?
Detailed Solution for Important Questions Test: Land, Soil Water, Natural Vegetation And Wildlife Resources - Question 8
Groundwater is water that exists underground in saturated zones beneath the land surface. The upper body of the saturated zone is called the water table. It fills the pores and fractures in underground materials such as sand, gravel, and other rock, much like water fills a sponge.

Important Questions Test: Land, Soil Water, Natural Vegetation And Wildlife Resources - Question 9
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Which of the following is a famous bird sanctuary?
Detailed Solution for Important Questions Test: Land, Soil Water, Natural Vegetation And Wildlife Resources - Question 9
A bird sanctuary is an area of land where birds are protected and encouraged to breed. Or Bird sanctuaries are nature facilities that advocate the conservation of various species of birds and their natural habitats while promoting rehabilitation and survival. Keoladeo National Park is previously called Bharatpur Bird sanctuary. It is a famous bird sanctuary located at Bharatpur. Rajasthan is a famous avifauna (the birds of a particular region, habitat, or geological period)sanctuary that hosts thousands of birds, especially during the winter season. Hence a famous bird sanctuary is the Keoladeo Ghana sanctuary.

Important Questions Test: Land, Soil Water, Natural Vegetation And Wildlife Resources - Question 10
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Why is it necessary to increase the area under forests?
Detailed Solution for Important Questions Test: Land, Soil Water, Natural Vegetation And Wildlife Resources - Question 10
It is essential to raise the area under forest because forests are essential for maintaining the ecological balance. Forest also provides several goods that are required for industry and medicines etc. Forest also helps in soil conservation and rainfall.

Important Questions Test: Land, Soil Water, Natural Vegetation And Wildlife Resources - Question 11
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Large scale destruction of forests cover and arable land has occurred due to the following:
Detailed Solution for Important Questions Test: Land, Soil Water, Natural Vegetation And Wildlife Resources - Question 11
Growing population and their ever-growing demand have led to large-scale forest cover and arable land destruction. Afforestation, land reclamation, regulated use of chemical pesticides and fertilisers, and checks on overgrazing are standard methods to conserve land resources.

Important Questions Test: Land, Soil Water, Natural Vegetation And Wildlife Resources - Question 12
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The quality of land differs from place to place.
Detailed Solution for Important Questions Test: Land, Soil Water, Natural Vegetation And Wildlife Resources - Question 12
Quality of land differs from place to place. Land quality varies from one place. It depends on factors like the soil, climate, rainfall, and nature of the coast-line determine whether land produces much or little for example, Kerala is situated along the coastal lines.

Important Questions Test: Land, Soil Water, Natural Vegetation And Wildlife Resources - Question 13
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Natural resources are essential for the economic development of a country.
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Natural resources, both renewable and non-renewable, and ecosystem services are a part of the real wealth of nations. They are the natural capital out of which other forms of money are made. They contribute towards fiscal revenue, income, and poverty reduction.

Important Questions Test: Land, Soil Water, Natural Vegetation And Wildlife Resources - Question 14
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How much per cent of the earth’s area is occupied by land?
Detailed Solution for Important Questions Test: Land, Soil Water, Natural Vegetation And Wildlife Resources - Question 14
Land is among the essential natural resources. It covers only about thirty per cent of the total area of the earth's surface, and all parts of this small percentage are not habitable.

Important Questions Test: Land, Soil Water, Natural Vegetation And Wildlife Resources - Question 15
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Private land properties are owned by
Detailed Solution for Important Questions Test: Land, Soil Water, Natural Vegetation And Wildlife Resources - Question 15
Private properties are lands and buildings owned by individuals and corporations. The owner of private property has the right to use, occupation, sell, or lease his/her property.

Important Questions Test: Land, Soil Water, Natural Vegetation And Wildlife Resources - Question 16
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Which of the following steps is a significant threat to the environment?
Detailed Solution for Important Questions Test: Land, Soil Water, Natural Vegetation And Wildlife Resources - Question 16
Desertification affects the topsoil, land cover, surface runoff, human, animal, and plant population. There will be water scarcity which leads to dried crops. Due to the less amount of crops and plants, it has a significant effect on the environment.

Important Questions Test: Land, Soil Water, Natural Vegetation And Wildlife Resources - Question 17
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The type of soil is determined by
Detailed Solution for Important Questions Test: Land, Soil Water, Natural Vegetation And Wildlife Resources - Question 17
The amount of sand, silt, and clay present in the soil determine soil texture. In coarse-textured soils: sand is predominant (sandy soils). In medium-textured soils: mud is dominant (loamy soils).

Important Questions Test: Land, Soil Water, Natural Vegetation And Wildlife Resources - Question 18
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As the exposed rock break off and start decaying due to temperature change, this process is called
Detailed Solution for Important Questions Test: Land, Soil Water, Natural Vegetation And Wildlife Resources - Question 18
Weathering describes the breaking down or dissolving of rocks and minerals on the surface of the Earth. Water, ice, acids, salts, plants, animals, and temperature changes are all agents of weathering. Once a rock has been broken down, a process called erosion transports the bits of rock and mineral away.

Important Questions Test: Land, Soil Water, Natural Vegetation And Wildlife Resources - Question 19
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Soil is made up of
Detailed Solution for Important Questions Test: Land, Soil Water, Natural Vegetation And Wildlife Resources - Question 19
Soil is the thin layer of material covering the earth's surface and is formed from rocks’ weathering. It is made up mainly of mineral particles, organic materials, air, water, and living organisms—all of which interact slowly yet frequently.

Important Questions Test: Land, Soil Water, Natural Vegetation And Wildlife Resources - Question 20
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Mass movement of rocks down the hills could be a sign of
Detailed Solution for Important Questions Test: Land, Soil Water, Natural Vegetation And Wildlife Resources - Question 20
Mass movement, also called Mass Wasting, bulk movements of soil and rock debris down slopes in response to the pull of gravity, or the rapid or gradual sinking of the Earth’s ground surface in a predominantly vertical direction. Formerly, the term mass wasting referred to a variety of processes by which large masses of crustal materials are moved by gravity from one place to another. More recently, the term mass movement has been substituted to include mass wasting processes and the sinking of confined areas of the Earth’s ground surface. Mass movements on slopes and sinking mass movements are often aided by water, and the significance of both types is the part each plays in the alteration of landforms.
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