geomorphology & earth landforms section 9 MCQ Questions & Answers Detailed Explanation
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The following question based on Geomorphology & Earth landforms topic of indian geography mcq
Assertion (A):
New folded mountains are also called Tertiary Mountains.
Reason (R):
They are mainly formed along the constructive plate margins. ,
Codes:
(a) A is true, but R is false.
(b) Both A and R are true and R is the correct explanation of A.
(c) A is false, but R is true.
(d) Both A and R are true, but R is not the correct explanation of A.
The correct answers to the above question in:
Answer: (a)
New folded mountains are also caller Tertiary Mountains. All the old folded mountains were originated before the Tertiary period. The folded mountains of Caledonian and Hercynian mountain-building periods come under this category.
These mountains have been so greatly denuded that they have now become relict folded mountains, for example, Aravallis, Vindhyachal etc.
The Alpine folded mountains of the Tertiary period arc grouped under the category of new folded mountains, for example, Rockies, Andes, Alps, and Himalayas etc.
Discuss Form
Read more geomorphology earth landforms Based Indian Geography Questions and Answers
Question : 1
The longest day in Northern hemisphere is
a) 22 December
b) 21 May
c) 25 December
d) 21 June
Answer »Answer: (d)
Question : 2
‘Esker’ is a geomorphic feature developed by
a) glaciofluvial deposits
b) mechanical weathering
c) aeolian deposits
d) river action
Answer »Answer: (a)
Esker – A narrow, sinuous ridge of partly stratified coarse sand and gravel of glaciofluvial origin.
Question : 3
The highest grade and best quality coal is
a) Bituminous
b) Lignite
c) Anthracite
d) Peat
Answer »Answer: (c)
Anthracite is usually considered to be the highest grade of coal and is actually considered to be metamorphic.
Compared to other coals it is much harder, has a glassy lustre, and is denser and blacker with few impurities. It is largely used for heating domestically as it burns with little smoke.
Question : 4
Three mountain ranges determining boundary between India and Myanmar are
a) Great Dividing range
b) Khasi, Patkoi and Arakan Yoma
c) None of the above
d) Akai Mountain range
Answer »Answer: (c)
Question : 5
With reference to Kober’s Theory of Geosyncline, consider the following Term and Meaning:
- Orogen : Geosyncline
- Kratogen : Foreland
- Randketten : Marginal ranges
a) 2 and 3 only
b) 1 only
c) 1, 2 and 3
d) 1 and 2 only
Answer »Answer: (c)
A geosyncline may be defined as “a thick, rapidly accumulating body of sediment formed within a long, narrow, subsiding belt of the sea which is usually parallel to a plate margin”. (Oxford Dictionary of Geography).
Or we may say a geosyncline is a “very large linear depression or down-warping of the earth’s crust, filled (especially in the central zone) with a deep layer of sediments derived from the landmasses on each side and deposited on the floor of the depression at approximately the same rate as it slowly, continuously subsided during a long period of geological time”.
Question : 6
Oil is found in petroliferous rock. Which one among the following structures demonstrates an ideal trap?
a) Synclinal structure
b) Horizontal structure
c) Anticlinal structure
d) Fault structure
Answer »Answer: (d)
Fault trap is a kind of structural trap.Here, the fracture and slippage of rock along a fault line may bring an impermeable stratum in contact with a layer of permeable reservoir rock and thus forms a barrier to petroleum migration.
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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