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Test: General Physical Geograph- 2 - Class 8 MCQ


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10 Questions MCQ Test - Test: General Physical Geograph- 2

Test: General Physical Geograph- 2 for Class 8 2024 is part of Class 8 preparation. The Test: General Physical Geograph- 2 questions and answers have been prepared according to the Class 8 exam syllabus.The Test: General Physical Geograph- 2 MCQs are made for Class 8 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Test: General Physical Geograph- 2 below.
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Test: General Physical Geograph- 2 - Question 1

Which of the following is a function of the geosphere?

Detailed Solution for Test: General Physical Geograph- 2 - Question 1

The geosphere can also be called as the collective name for lithosphere, hydrosphere, cryosphere, and the atmosphere.
In the Earth system science, it refers to the solid parts of the Earth and it is often used with atmosphere, hydrosphere, and biosphere to describe the Earth systems.
In that context, we also use the term lithosphere instead of geosphere or solid Earth.
For all purposes, the lithosphere only deals with the uppermost layers of Earth.

Test: General Physical Geograph- 2 - Question 2

Sharks are killers of the deep seas. Which of the following is a characteristic of sharks?

Detailed Solution for Test: General Physical Geograph- 2 - Question 2

Cartilaginous fish are fish that have a skeleton made of cartilage, rather than bone. Cartilaginous fish include sharks, rays, skates and chimaeras. The cartilages are tough and flexible and provides enough structural support to allow these fish to grow to very large sizes.

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Test: General Physical Geograph- 2 - Question 3

Look at the given picture. Which of the following best classifies the type of rock shown in the picture?

Detailed Solution for Test: General Physical Geograph- 2 - Question 3

Sedimentary rocks are type of rocks that are formed by deposition and subsequent cementation of mineral or organic particles on the floor of oceans /river..These have distinctive stripes of them.
The rocks shows is sedimentation rock.

Test: General Physical Geograph- 2 - Question 4

Quartzite is metamorphosed from __________.

Detailed Solution for Test: General Physical Geograph- 2 - Question 4

Metamorphism is a process in which the original rock when subjected to heat and pressure changes its form. Some of the examples of this transformation are: gneiss is formed from granite, slate from shale, marble from limestone, quartzite from sandstone, etc.

Test: General Physical Geograph- 2 - Question 5

To which one of the following types of vegetation does rubber belong to?

Detailed Solution for Test: General Physical Geograph- 2 - Question 5

Tropical evergreen forests require heavy rainfall with a short dry reason. The trees reach heights upto 60 meters or even above.

Test: General Physical Geograph- 2 - Question 6

'X' is a vent in Earths surface that periodically ejects a column of hot water and steam. The formation of it is a rare phenomenon because it is due to particular hydrogeological conditions which exist at few places on Earth. Taupo volcanic zone in New Zealand is one of its examples. Identify 'X'.

Detailed Solution for Test: General Physical Geograph- 2 - Question 6

A geyser is a vent in Earth's surface that periodically ejects a column of hot water and steam. They are a quite rare phenomenon on Earth due to the precise conditions that are required for them to form. They are mainly clustered near active volcanic areas. 
The Taupo Volcanic Zone in New Zealand is 350 km long and 50 km wide and contains volcanoes, hot springs and geysers. The largest geyser ever known, the Waimangu Geyser, sat in the Taupo Volcanic Zone.

Test: General Physical Geograph- 2 - Question 7

You are to examine these two statements carefully and select the answers to these items:
Statement I: Minerals are formed by slow cooling of the magma. 
Statement II: Very small crystals are formed when lava cools quickly on the surface. 

Detailed Solution for Test: General Physical Geograph- 2 - Question 7

Lava is on the surface so it cools quickly and forms rocks whch are called mineral rocks.  Because the magma cools and solidifies quickly, the crystals that form do not have time to grow very large, and therefore most extrusive rocks are finely grained. The most common type of extrusive rock is basalt.

Test: General Physical Geograph- 2 - Question 8

Which one of the following gases is found in highest quantity in Exosphere?

Detailed Solution for Test: General Physical Geograph- 2 - Question 8

The exosphere is the uppermost region of Earth's atmosphere as it gradually fades into the vacuum of space. It starts at an altitude of about 500 km and goes out to about 10,000 km. The most abundantly found gas in exosphere is hydrogen with some helium, carbon dioxide, and atomic oxygen near its base.

Test: General Physical Geograph- 2 - Question 9

Which one of the following describes the Lithosphere?

Detailed Solution for Test: General Physical Geograph- 2 - Question 9

Lithosphere is the rigid, rocky outer layer of the earth, consisting of the crust and the solid outermost layer of the upper mantle. It extends to a depth of about 100 km. It is broken into about a dozen separate, rigid blocks, or plates. The lithosphere is underlain by the asthenosphere which is the weaker, hotter, and deeper part of the upper mantle.

Test: General Physical Geograph- 2 - Question 10

You are to examine these two statements carefully and select the answers to these items:
Statement I: Chemical weathering processes are found more active in hot and humid environment. 
Statement II: High temperature and rainfall help in the process of decomposition of rocks.

Detailed Solution for Test: General Physical Geograph- 2 - Question 10

Chemical weathering pertains to the changes in rock structure under the action or influence of chemical reactions. It is most active in warm and humid conditions. When rain falls, the water is slightly acidic because carbon dioxide from the air dissolves in it. Minerals in rocks may react with the rainwater, causing the rock to be weathered.

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