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21) Synclines and anticlines are the terms associated with ________ 

(A) Earthquakes
(B) Folding
(C) Faulting
(D) Volcanoes
Correct Answer - Option (B)

No Explanation found. Add Explanation and get +2 points.

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Mr. Dubey • 51.43K Points
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22) What are the name of the seismic sea waves which reach to coast at a very high force?

(A) Tides
(B) Tsunami
(C) Current
(D) Cyclone
Correct Answer - Option (B)

Explanation :
Tsunami are the seismic sea waves which reach to coast at a very high force. A tsunami is a series of large waves generated by an abrupt movement on the ocean floor that can result from an earthquake, an underwater landslide, a volcanic eruption or - very rarely - a large meteorite strike.

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Mr. Dubey • 51.43K Points
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23) Which of the following pairs is correctly matched? Islands Volcanoes

(A) Sicily - Mount Pelee
(B) Hawaii - Stromboli
(C) Java - Merapi
(D) West Indies - Mauna Loa
Correct Answer - Option (C)

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Mr. Dubey • 51.43K Points
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24) Soil erosion can be prevented by ________ 

(A) Allowing herbivorous animals to graze freely
(B) Growing plants on a large scale to form soil cover
(C) Making the land sloppy
(D) Adding chemicals to increase cohesion
Correct Answer - Option (B)

Explanation :
Soil erosion can be prevented by growing plants on a large scale to form soil cover. Soil cover with living plants (soil can also be covered with mulch) protects the soil surface from rain, wind and sun. It reduces soil erosion and protects the fertile topsoil, thus preventing the silting of rivers and lakes.

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25) The features produced by glacial deposition are:
1. outwash plains
2. drumlins
3. eskers
4. levees

(A) 1, 2, 3
(B) 1, 3, 4
(C) 2, 3, 4
(D) 1, 2, 3, 4
Correct Answer - Option (A)

No Explanation found. Add Explanation and get +2 points.

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27) Which of the following are true with respect to sedimentary rocks?
I. The rocks are deposited in layers
II. The particles of rocks are at times wholly of organic nature
III. The rocks are not crystalline
IV. Their structure is determined by great pressure or heat

(A) I, II and III
(B) II and III
(C) I and IV
(D) I and II
Correct Answer - Option (A)

No Explanation found. Add Explanation and get +2 points.

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Mr. Dubey • 51.43K Points
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28) Shield volcanoes refer to ________ 

(A) Explosive lava eruptions
(B) Repeated lava flows
(C) Ejection of a wide range of pyroclastic materials
(D) Individual lava flows
Correct Answer - Option (B)

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