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Total Questions : 471 | Page 42 of 48 pages
Question 411. Arrange the following rocks in descending order in terms of silica content.

  1. Andesite

  2. Granite

  3. Basalt

  4. Rhyolite


Choose the correct answer from the codes given below:
  1.    1, 2, 3, 4
  2.    2, 1, 4, 3
  3.    2, 4, 1, 3
  4.    2, 1, 3, 4
 Discuss Question
Answer: Option C. -> 2, 4, 1, 3
Answer: (c)
Basalt is having 45%-52%
Granite is having 69%-77%
Andesite is having 57%-63%
Rhyolite is having 69%-75% of silica conflict respectively.
Question 412. Which of the following scholar has suggested that the Earth has originated from the gases and the dust particles?
  1.    F. Hoyal
  2.    James Jeans
  3.    O. Schmidt
  4.    H. Alfven
 Discuss Question
Answer: Option C. -> O. Schmidt
Answer: (c)
Question 413. Which one of the following is not the correct explanation for Plains?
  1.    The plains may be above the or below the sea levels but always higher than the surrounding regions.
  2.    Plains are flat areas with low height and extensive tract without prominent hills and depressions.
  3.    The slope should be quite gentle; the average fall of the slope should be 4 metres and in extreme cases, not more than 50 metres.
  4.    Some plains are only a few metres above the sea level, examples south deltaic plains of Bangladesh. Some are quite high, like the eastern Mississippi plain (450 m high), even higher than the Piedmont plateau.
 Discuss Question
Answer: Option A. -> The plains may be above the or below the sea levels but always higher than the surrounding regions.
Answer: (a)
It should be mentioned that the plains may be above the or below the sea levels but not higher than the surrounding regions.
Question 414. Which mountain forms boundary between Spain and France?
  1.    Carpathians
  2.    Jura
  3.    Caucasus
  4.    Pyrenees
 Discuss Question
Answer: Option D. -> Pyrenees
Answer: (d)
Question 415. A plane starts flying from 30º Northern latitude and 50º Eastern longitude and lands at opposite end of the Earth, where will it land?
  1.    50º Northern latitude, 30º Western longitude
  2.    30º Northern latitude, 50º Western longitude
  3.    30º Southern latitude, 130º Western longitude
  4.    30º Southern latitude, 50º Western longitude
 Discuss Question
Answer: Option B. -> 30º Northern latitude, 50º Western longitude
Answer: (b)
Question 416. Correct Latitudinal position of a place that could be possible is
  1.    45º South
  2.    91º North
  3.    91º West
  4.    45º East
 Discuss Question
Answer: Option A. -> 45º South
Answer: (a)
Question 417. Consider the following statements about mountains passes:

  1. Passes are often found just above the source of a river, constituting a drainage divide.

  2. Passes provide a route between two mountain tops with a minimum of descent.

  3. The top of the pass is not suitable for building, as it does not have any flat ground.


Select the correct answer using the codes given below:
  1.    1 and 3
  2.    1 and 2
  3.    1, 2 and 3
  4.    2 and 3
 Discuss Question
Answer: Option B. -> 1 and 2
Answer: (b)
The mountain pass is a route, through a mountain range over a ridge. Passes provide a route between two mountains tops with a minimum of descent. Passes are often found just above the sources of a river, constituting a drainage divide.
The top of a pass is frequently the only flat ground in the area, a high vantage points, so it is often a preferred site for building.
Question 418. The term ‘epicentre’ is associated with
  1.    Cyclones
  2.    Earthquakes
  3.    Landslides
  4.    Volcanoes
 Discuss Question
Answer: Option B. -> Earthquakes
Answer: (b)Epicenter is the point on the Earth’s surface that is directly above the hypocenter or focus, the point where an earthquake or underground explosion originates. Epicentral distance is used in calculating seismic magnitudes developed by Richter and Gutenberg.
Question 419. Which one of the following is the highest volcanic mountain of the world?
  1.    Mount Tall
  2.    Mount Pinatubo
  3.    Mount Cotopaxi
  4.    Mount Kilimanjaro
 Discuss Question
Answer: Option C. -> Mount Cotopaxi
Answer: (c)
Question 420. Match List-I with List-II and select the correct answer using the code given below the lists. 
List I
List II
(Volcano)
(Country)
a. Mount Rainier
1. Italy
b. Etna
2. Mexico
c. Paricutin
3. Philippines
d. Taal
4. U.S.A.
Codes: A B C D
  1.    2 1 4 3
  2.    4 2 1 3
  3.    4 3 2 1
  4.    4 1 2 3
 Discuss Question
Answer: Option D. -> 4 1 2 3
Answer: (d)

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