geomorphology & earth landforms section 6 MCQ Questions & Answers Detailed Explanation
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The following question based on Geomorphology & Earth landforms topic of indian geography mcq
(a) Canada
(b) Australia
(c) United States of America
(d) Antarctica
The correct answers to the above question in:
Answer: (a)
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Read more geomorphology earth landforms Based Indian Geography Questions and Answers
Question : 1
The ‘Pacific Ring of Fire’ is associated with
a) volcanoes and earthquakes
b) oil well fires
c) forest fires
d) thermal power station
Answer »Answer: (a)
The Pacific Ring of Fire is an area where a large number of earthquakes and volcanic eruptions occur in the basin of the Pacific Ocean. In a 40,000 km horseshoe shape, it is associated with a nearly continuous series of oceanic trenches, volcanic arcs, and volcanic belts and/or plate movements.
The Ring of Fire has 452 volcanoes and is home to over 75% of the world’s active and dormant volcanoes. It is sometimes called the circum-Pacific belt or the circum-Pacific seismic belt. About 90% of the world’s earthquakes and 81% of the world’s largest earthquakes occur along the Ring of Fire.
Question : 2
Consider the following statements about mountains passes:
- Passes are often found just above the source of a river, constituting a drainage divide.
- Passes provide a route between two mountain tops with a minimum of descent.
- The top of the pass is not suitable for building, as it does not have any flat ground.
a) 1 and 3
b) 1 and 2
c) 1, 2 and 3
d) 2 and 3
Answer »Answer: (b)
The mountain pass is a route, through a mountain range over a ridge. Passes provide a route between two mountains tops with a minimum of descent. Passes are often found just above the sources of a river, constituting a drainage divide.
The top of a pass is frequently the only flat ground in the area, a high vantage points, so it is often a preferred site for building.
Question : 3
Which one of the following is the highest volcanic mountain of the world?
a) Mount Tall
b) Mount Pinatubo
c) Mount Cotopaxi
d) Mount Kilimanjaro
Answer »Answer: (c)
Question : 4
Consider the following statements regarding intrusive igneous rocks:
- These are called Plutonic rocks.
- Granite, diorite, gabbro are examples.
- The intrusive rocks lying in a slanting direction as an offshoot are called dykes.
a) 2 and 3
b) 1 only
c) 1, 2 and 3
d) 1 and 3
Answer »Answer: (c)
When molten materials of Earth’s interior (magma) do not reach Earth’s surface, they cool and solidify below the surface-are called intrusive igneous rocks.
e.g., granite, diorite, gabbro called Plutonic rocks have larger crystals, compact, resistant and glassy in appearance e.g., quartz, batholith. The rate of cooling is slower been formed at great depths.
- Sills Some of the lava may push its way through passages in the form of sills or dykes. When magma is being forced upwards, some of the lava may push its way in between two layers of rock and get solidified there. The intrusive rock formed - called sill - almost horizontal.
- Dykes Magma also forces its way before reaching the main fissure, trying to go up but gets solidified before reaching the surface. These intrusive rocks lying in a slanting direction as an offshoot are called dykes.
Question : 5
Which one of the following mountains are formed due to the convergence of one oceanic and one continental plate?
a) Andes
b) Urals
c) Appalachians
d) Alps
Answer »Answer: (a)
As per the description of the Continental Drift Theory of Wegner, North & South America Continents drifted toward the west due to Tidal force.
Due to the resistance and friction of Sima, the Western coast of the above two continents folded, causing the formation of the Andes & Rockies mountains.
Question : 6
Tundras are
a) Cold deserts
b) Deciduous forests
c) Hot deserts
d) Tropical rain forests
Answer »Answer: (a)
In physical geography, the tundra is a biome where tree growth is hindered by low temperatures and short growing seasons.
There are three types of tundra: Arctic tundra, alpine tundra, and Antarctic tundra where the subsoil is permafrost or permanently frozen soil.
Rainfall and snowfall are generally slight due to the low vapour pressure of water in the chilly atmosphere, but as a rule potential evapotranspiration is extremely low, allowing soggy terrain of swamps and bogs even in places that get precipitation typical of deserts of lower and middle latitudes.
GET Geomorphology & Earth landforms PRACTICE TEST EXERCISES
geomorphology & earth landforms section 1
geomorphology & earth landforms section 2
geomorphology & earth landforms section 3
geomorphology & earth landforms section 4
geomorphology & earth landforms section 5
geomorphology & earth landforms section 6
geomorphology & earth landforms section 7
geomorphology & earth landforms section 8
geomorphology & earth landforms section 9
geomorphology & earth landforms section 10
Geomorphology & Earth landforms Shortcuts and Techniques with Examples
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