geomorphology & earth landforms section 8 MCQ Questions & Answers Detailed Explanation
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The following question based on Geomorphology & Earth landforms topic of indian geography mcq
Granite has larger crystals than basalt.
Reason (R):
Basalt has larger content of metallic minerals.
(a) A is true but R is false
(b) Both A and R are true and R Explains A
(c) A is false but R is true
(d) Both A and R are true but R does not explain A
The correct answers to the above question in:
Answer: (d)
The crystal size in the igneous rocks is more a function of the quickness of the process of cooling rather than of the mineral content.
The mineral content determines the melting point of the rocks and the basaltic lava having a higher content of metallic minerals solidifies rapidly once it reaches the surface.
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Read more geomorphology earth landforms Based Indian Geography Questions and Answers
Question : 1
Ice glacier’s melting is a common phenomenon linked to the rise in seawater level. The glaciers are predominantly present in
a) Himalayas
b) Greenland
c) Arctic
d) Antarctica
Answer »Answer: (d)
One of today’s prevalent water issues is the rise in sea level. It is mainly caused by two phenomena: global warming and ozone depletion. Polar ice caps in Antarctica and other places are melting fast. This has led to increase in sea level over the years.
Question : 2
The temperature of water at the bottom of a large waterfall is higher than that of the water at the top. because
a) the kinetic energy of the falling water is converted into heat.
b) the falling water absorbs heat from the Sun.
c) rocks on the bed of the river give out heat.
d) the water at the bottom has greater potential energy.
Answer »Answer: (a)
The water gains kinetic energy as it falls down and loses its potential energy. Assuming no other losses, part of the kinetic energy gain of water is converted into heat, raising the temperature of water.
Question : 3
What is the scale used for measuring the intensity of the earthquake?
a) Centigrade scale
b) Richter scale
c) Mercalli intensity scale
d) Metric scale
Answer »Answer: (c)
Magnitude and Intensity measure different characteristics of earthquakes. Magnitude measures the energy released at the source of the earthquake. Magnitude is determined from measurements on seismographs. Intensity measures the strength of shaking produced by the earthquake at a certain location.
Intensity is determined by its effects on people, human structures, and the natural environment. The Mercalli intensity scale is a seismic scale used for measuring the intensity of an earthquake.
It measures the effects of an earthquake and is distinct from the moment magnitude usually reported for an earthquake (sometimes described as the obsolete Richter magnitude), which is a measure of the energy released. The intensity of an earthquake is not totally determined by its magnitude.
Question : 4
The area marked by internal drainage
a) Deserts
b) Plateau
c) Mountains
d) Plains
Answer »Answer: (a)
Internal drainage is a closed drainage basin that retains water and allows no outflow to other external bodies of water, such as rivers or oceans, but converges instead into lakes or swamps.
Such drainage can occur in any climate but are most commonly found in desert locations. For example, the Luni River in Rajasthan has an internal drainage system.
Question : 5
The Death Valley is known for its
a) Abnormal Depth
b) Excessive Heat (Hotness)
c) Excessive Salinity
d) Excessive Coldness
Answer »Answer: (b)
Question : 6
The two smallest Continents of the world are
a) Australia and Europe
b) Australia and Antarctica
c) Australia and South America
d) Antarctica and Europe
Answer »Answer: (a)
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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