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UPSC and State PSC Prelims Exam Indian Geography Question Bank

Q.1) With respect to the chemical composition of earth’s layers consider the following statements:

1. The continental crust is thicker in the areas of major mountain systems.

2. Oceanic crust is thinner as compared to the continental crust.

3. The lower mantle extends beyond the asthenosphere. It is in solid state.

4. Core has the heaviest mineral materials of highest density.

5. Gutenberg Discontinuity – lies between the mantle and the outer core.

Which of the following statements are correct?

a) Only 1,2,3,4

b) Only 1,3,4,5

c) Only 2,3,4,5

d) All of the above

Solution (d)

Q.2) Consider the following statements regarding The Paleomagnetism:

1. Some of the strongest evidence in support of the theory of seafloor spreading and plate tectonics comes from studying the magnetic fields surrounding oceanic ridges.

2. Rocks formed from underwater volcanic activity were mainly basalt, which is rich in silica and low in iron.

3. Basalt contains magnetic minerals and as the rock is solidifying, these minerals align themselves in the direction of the magnetic field.

4. When Earth’s magnetic field undergoes a reversal, the polarity recorded in the magma remains same.

Which of the above statements are correct?

a) Only 1, 3, 4

b) Only 2, 3, 4

c) Only 2, 4

d) Only 1, 3

Solution (d)

Q.3) In February 2017 the Barren Island saw another huge volcanic eruption and filled the sea with red lava fountains jutting out of the crater. Consider the following statements regarding it:

1. It is home to Asia’s and India’s only active volcano.

2. The volcano here was dormant for a long time, but in the year 1991 it experienced an explosion which was quite major.

Which of the above statements is/are correct?

a) Only 1

b) Only 2

c) Both 1 and 2

d) Neither 1 nor 2

Solution (b)

Q.4) Consider the following statements regarding volcanic eruption:

1. After the eruption of magma has ceased, the crater frequently turns into a lake called a ‘caldera’.

2. Oregan Lake in USA is the largest volcanic Crater Lake in the world.

Which of the above statements is/are correct?

a) Only 1

b) Only 2

c) Both 1 and 2

d) Neither 1 nor 2

Solution (a)

Q.5) Consider following regarding diastrophism:

1. Diastrophism includes orogeny, epeirogeny, earthquake, plate tectonics and seafloor spreading.

2. Orogenic processes involves mountain building through severe folding and affecting long and narrow belts of the earth’s crust.

3. Epeirogenic processes involving uplift or warping of large parts of the earth’s crust.

4. Epeirogeny is a mountain building process whereas Orogeny is continental building process.

Which of the above statements are correct?

a) Only 1, 2

b) Only 1, 4

c) Only 1, 3

d) Only 2, 3

Solution (d)

Q.6) CCEA approves survey project of Un-appraised Areas of Sedimentary Basins. Consider the following statements regarding it:

1. Sedimentary basin is a low area in the Earth’s crust, of tectonic origin, in which sediments accumulate and are confined to small area of ocean basin.

2. The project will be implemented by Oil India Limited (OIL) and Oil and Natural Gas Corporation (ONGC).

3. India has total 26 sedimentary basins spread over on-land, shallow water and deep water.

4. More than 50 percent of total sedimentary basin area does not have adequate geoscientific data.

Which of the following options are true?

a) 1, 2 and 3

b) 1 and 3

c) 2 and 3

d) All of the above

Solution (c)

Q.7) Consider the following statements regarding Sinkhole/Swallow Hole:

1. Sinkholes are triangular shaped depressions having an average depth of three to nine metres.

2. These holes are developed by enlargement of the cracks found in such rocks, as a result of continuous solvent action of the river water.

3. The surface streams which sink disappear underground through swallow holes.

Which of the above statements is/are incorrect?

a) Only 1, 2

b) Only 2, 3

c) Only 1, 3

d) Only 1

Solution (a)

Q.8) which lake has now made it to the Limca Book of Records for having India’s largest floating island?

a) Kolleru lake

b) Vembanad lake

c) Pangong lake

d) Hebbagodi Lake

Solution (d)

Q.9) Consider the following statements regarding island arc formation:

1. In Ocean – Ocean Convergence, a denser oceanic plate sub ducts below a less dense oceanic plate forming a trench along the boundary.

2. As the ocean floor crust (oceanic plate) loaded with sediments sub ducts into the softer asthenosphere, the rocks on the continental side in the subduction zone become metamorphosed under high pressure and temperature.

3. A continuous upward movement of magma creates constant volcanic eruptions at the ocean floor.

4. Such volcanic landforms all along the boundary form a chain of volcanic islands which are collectively called as Island Arcs

Which of the above statements are correct?

a) Only 1, 2, 3

b) Only 2, 3, 4

c) Only 1, 3, 4

d) All of the above

Solution (d)

Q.10) what is the name of the India had launched to provide assistance to earthquake and tsunami victims in Indonesia recently?

a) Operation Samudra Shakti

b) Operation Samudra Maitri

c) Operation Samudra Ekta

d) None of the above

Q.10) Solution (b)

Explanation:

India had launched massive humanitarian operation Samudra Maitri to provide assistance to earthquake and tsunami victims in Indonesia.

Q.11) With respect to seismic waves consider the following statements:

1. P-waves move faster and are the first to arrive at the surface.

2. A secondary wave cannot pass through liquids or gases.

3. They are low frequency, long wavelength, and transverse vibration.

Which of the above statements is/are incorrect?

a) Only 1

b) Only 2

c) Only 3

d) None of the above

Solution (d)

Q.12) Consider following statements regarding continental drift theory:

1. Continental drift refers to the movement of the continents relative to the ocean floor.

2. Gravity of the earth, buoyancy of the seas and the tidal currents were given as the main factors causing the drift, by Wegener.

3. One criticism of this theory is Continental Drift Theory shifts India’s position too much to the south, distorting its relation with the Mediterranean Sea and the Alps.

Which of the above statements is/are correct?

a) Only 1, 2

b) Only 2, 3

c) Only 1, 3

d) All of the above

Solution (b)

Q.13) Consider the following statements regarding fold mountains:

1. Fold mountains are formed when sedimentary rock strata in geosynclines are subjected to tangential forces.

2. They are the loftiest mountains and they are generally concentrated along continental margins

3. The Aravali Range in India is the oldest fold mountain systems in the India.

Which of the above statements is/are incorrect?

a) Only 2

b) Only 2,3

c) Only 1

d) All of the above

Solution (c)

Q.14) Consider following statements regarding marine erosional landforms:

1. Sea Cliff is shoreline marked by a steep bank.

2. When waves from opposite directions strike a narrow wall of rock, differential erosion of the rock leaves a bridge like structure called Stack.

3. When a portion of the sea arch collapses, the remaining column-like structure is called a sea arch.

Which of the above statements is/are correct?

a) Only 1

b) 1 and 2

c) 2 and 3

d) All of the above

Solution (a)

Q.15) Consider the following statements regarding arid landform:

1. In hill slope geomorphology, a gully is a narrow and shallow channel cut into soil by the erosive action of flowing water.

2. A rill is a landform created by running water. Rills resemble large ditches or small valleys, which are few metres to tens of metres in depth and width.

3. A ravine is a landform narrower than a canyon and is often the product of stream cutting erosion. Ravines are typically classified as larger in scale than gullies, although smaller than valleys.

Which of the following statements is/are incorrect?

a) Only 1, 2

b) Only 2, 3

c) Only 1, 3

d) None of the above

Solution (a)

Q.16) Consider the following statements:

1. Granite is a typical example of intrusive rock system.

2. Plutonic rocks are rocks formed by rapid cooling of the lava thrown out during volcanic eruptions.

3. The Deccan traps in the peninsular region are of basaltic origin.

Which of the above statements is/are correct?

a) Only 1, 2

b) Only 2, 3

c) Only 1, 3

d) None of the above

Solution (c)

Q.17) Consider the following statement:

1. Peneplain refers to an undulating featureless plain punctuated with low-lying residual hills of resistant rocks. It is considered to be an end product of an erosional cycle.

2. The outer bend of the loop in a meander is characterized by intensive erosion and vertical cliffs and is called the slip off side. This side has a concave slope.

3. The inner side of the loop is characterized by deposition, a gentle convex slope, and is called the cliff slope side.

Which of the following statements is/are incorrect?

a) Only 1, 2

b) Only 2, 3

c) Only 1, 3

d) None

Solution (b)

Q.18) Consider the following statements regarding Doklam plateau:

1. Doklam is an area with a plateau and a valley, lying between Tibet’s Chumbi Valley to the north, Bhutan’s Ha Valley to the east and India’s Sikkim state to the west.

2. It has been depicted as part of Bhutan in the Bhutanese maps since 1961, but it is also claimed by China.

Which of the above statements is/are correct?

a) Only 1

b) Only 2

c) Both 1 and 2

d) Neither 1 nor 2

Solution (c)

Q.19) Consider following regarding glacial depositional landforms:

1. The eskers resemble the features of an embankment and are often used for making roads

2. Kame Terraces Are broken ridges or un-assorted depositions looking like hump in a till plain

3. Drumlin are inverted boat-shaped deposition in a till plain caused by deposition.

Which of the above statements is/are incorrect?

a) Only 1

b) 1 and 2

c) 2 and 3

d) None of the above

Solution (d)

Q.20) Consider following statements regarding batholiths:

1. Batholiths are large rock masses formed due to cooling down and solidification of hot magma inside the earth.

2. They appear on the surface only after the denudation processes remove the overlying materials.

3. Batholiths form the core of huge mountains and may be exposed on surface after erosion.

4. These are Basaltic in nature.

Which of the above statements is/are correct?

a) 1 , 2, 3

b) 2, 3, 4

c) 1, 3, 4

d) All of the above

Solution (a)

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