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Which of the following rock systems in India is the latest one?
Vindhyan
Dharwar
Gondwana
None of the above
Bihar’s geographical structure consists of rock systems. Match the rock systems with their descriptions :
a. Dharwar rock system
b. Vindhyan rock system
c. Quaternary rock system
d. Tertiary rock system
1. Created by the rapid deposition of alluvium by Himalayan and Peninsular rivers
2. Can be found in the West Champaran district
3. Part of the oldest Archaean rock system
4. Sandstone, limestone, dolomite, quartzite and shale are the main constituents of this rock system
Select the correct answer using the codes given below.
69th BPSC
a-3, b-4, c-1, d-2
a-1, b-3, c-4, d-2
a-2, b-3, c-4, d-1
a-4, b-2, c-3, d-1
Fossils are formed in which rocks?
Sedimentary rocks
Igneous rocks
Metamorphic rocks
None of the above
Which of the following rocks are intrusive igneous rock formation?
Laccoliths
Batholiths
Dykes
More than one of the above
The most mineralized rock system of India is –
Dharwar System
Gondwana System
Vindhyan System
None of the above
A huge amount of sources found in the Vindhya rocks are of –
Limestone
Basalt
Iron-ore
None of the above
Which of the following geological systems of rocks contain a rich reserve of iron ore in India?
Vindhyan system
Gondwana System
Dharwar System
None of the above
What is Marble?
Sedimentary rock
Metamorphic rock
Igneous rock
None of the above
Which one of the following rock systems in India is the main source of coal deposits?
UPPSC 2017
Dharwar system
Gondwana system
Vindhyan system
None of the above
Which one of the following is the appropriate reason for considering the Gondwana rocks as most important of rock systems of India?
UPSC 2010
More than 90% of limestone reserves of India are found in them
More than 90% of India's coal reserves are found in them
More than 90% of fertile black cotton soils are spread over them
None of the above
Consider the following statements about the sedimentary rocks:
1. Sedimentary rocks are formed at the earth's surface by the hydrological system
2. The formation of sedimentary rocks involves the weathering of preexisting rocks
3. Sedimentary rocks contain fossils
4. Sedimentary rocks typically occur in layers
Which of these statements are correct?
1 and 2 only
1 and 4 only
2, 3 and 4 only
1, 2, 3 and 4
Regarding sedimentary rocks which of the following statements is true?
39th BPSC
These are such rocks whose structure depend on temperature and pressure
These rocks are crystal
These rocks are deposited in layers
More than one of the above
Sandstone is flaky rock, because –
It is formed in the desert
It is formed underwater
It is formed on the mountain
More than one of the above
Which statement of the following is true for igneous rocks?
40th BPSC
These have little fossils
They have porous for water
They are both crystal and non-crystal
These rocks have no silicas
Which of the following rocks is not likely to contain fossils?
Granite
Shale
Sandstone
More than one of the above
Origin of Metamorphic rocks occurs from ........ rock.
1. Igneous
2. Sedimentary
Select correct code/;
1 only
2 only
both 1 and 2
neither 1 nor 2
Which one of the following is not an example of Metamorphic rock?
Quartzite
Slate
Granite
More than one of the above
