geomorphology & earth landforms section 10 MCQ Questions & Answers Detailed Explanation
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The following question based on Geomorphology & Earth landforms topic of indian geography mcq
(a) fossils on South America and Africa did not match.
(b) land bridges would have blocked plate movement.
(c) Ocean floor mapping showed that older rocks occur away from mid-ocean ridges.
(d) rocks of the Earths’s crust were considered too stiff for continents to move through them.
The correct answers to the above question in:
Answer: (d)
The theory of plate tectonics was not initially widely accepted because rocks of the Earth’s crust were considered too stiff for continents to move through them.
But gradually it was widely accepted among scientists because it relies on hard evidence and could explain most of the modern geological structures (Ocean basins, mountain ranges, rifts etc.)
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Read more geomorphology earth landforms Based Indian Geography Questions and Answers
Question : 1
Block Mountains are basically of two types, e. g.
- tilled block mountains having one steep side represented by fault scarp and one gentle side, and;
- lifted block mountains represent real horst and are characterized by flattened summit of tabular shape and very steep side slopes represented by two boundary fault scarps. Block Mountains are also called Horst Mountains.
a) 1 and 2
b) 1 only
c) None
d) 2 only
Answer »Answer: (a)
Motored by Endogenic forces coming from within the earth.
Block Mountains are basically of two types, e. g. tilled block mountains having one steep side represented by fault scarp and one gentle side, and lifted block mountains represent real horst and are characterized by the flattened summit of tabular shape and very steep side slopes represented by two boundary fault scarps. Block mountains are also called horst mountains. Block mountains are found on all the continents, for example, Young block mountains around Albert Warner.
Question : 2
What is meant by Isthmus?
a) Narrow strip of land dividing two oceans
b) Mouth of a river where it joins the sea
c) Narrow strip of land connecting two large areas of land
d) Narrow strip of water dividing two land masses
Answer »Answer: (a)
An isthmus is a narrow strip of land connecting two larger land areas, usually with water on either side.
The Panama Canal crosses the Isthmus of Panama, connecting the North Atlantic and Pacific Oceans; the Suez Canal connects the Mediterranean Sea and the Indian Ocean, cutting across the western side of an isthmus formed by the Sinai Peninsula. Strait is the sea counterpart of the isthmus.
Question : 3
The most abundant gas emitted from volcanoes is
a) Sulphur Dioxide
b) Water Vapour
c) Carbon Dioxide
d) Helium
Answer »Answer: (b)
Question : 4
Which of the following are correct?
- In the behaviour of earthquake waves, we study only three types of waves and they are ‘S’ - Surface waves, ‘L’ - Longitudinal waves and ‘P’ transverse.
- The velocity of P - waves and S - waves increase with the depth throughout.
- L - waves do not pass through the mantle because it is a liquid layer.
- S - waves persists only to the surface and do not penetrate deep into the earth.
a) 1, 2, 3 and 4
b) 2 and 4
c) None
d) 1 and 3
Answer »Answer: (c)
Only the second statement is correct.
Question : 5
Why the Earth is having its own atmosphere ?
a) Gravity
b) Winds
c) Rotation of the Earth
d) Clouds
Answer »Answer: (a)
Due to gravity, our Earth has an atmosphere. Gravity causes the gases to be held close to the earth instead of escaping into outer space. Besides, gravity makes the atmosphere denser closer to the Earth – the upper layers push down against the lower layers.
Question : 6
When does the moon come between the Sun and earth?
a) Sidereal day
b) Lunar eclipse
c) Full moon day
d) Solar eclipse
Answer »Answer: (d)
As seen from the Earth, a solar eclipse occurs when the Moon passes between the Sun and Earth, and the Moon fully or partially blocks the Sun.
This can happen only at the new moon when the Sun and the Moon are in conjunction as seen from Earth. In a total eclipse, the disk of the Sun is fully obscured by the Moon. In partial and annular eclipses only part of the Sun is obscured.
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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