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Geotectonics - Geography GK Objective Questions and Answers | Page-10

Questions
46 Tropic of Cancer does not pass through which one of the following countries ?
A Bangladesh
B China
C Nepal
D India

Answer: Option [C]

The correct answer is Nepal.

47 The upper part of the mantle upon which the crust of the Earth floats is called :
A barysphere
B mesosphere
C Mohorovicic discontinuity
D asthenosphere

Answer: Option [D]

The upper part of the mantle upon which the crust of the Earth floats is called asthenosphere. The layer below the rigid lithosphere is a zone of asphalt-like consistancy called the Asthenosphere.

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48 Who among the following was the first to measure the circumference of the Earth ?
A Eratosthenes
B Aristotle
C Hecataeus
D Herodotus

Answer: Option [A]

The correct answer is Eratosthenes. Eratosthenese was the first person to calculate the circumference of the Earth and also founder of Chronology. He also coined the word Geography.

49 The International Date line passes through :
A Bering strait
B Gibraltar strait
C Florida strait
D Malacca strait

Answer: Option [A]

The International Date line passes through Bering strait. The International Date Line passes through the mid-Pacific Ocean and roughly follows the 180 degrees longitude north-south line on the Earth. It corresponds along most of its length to the 180th meridian of longitude but deviates eastward through the Bering Strait to avoid dividing Siberia and then deviates westward to include the Aleutian Islands with Alaska.

50 What happens when a ship crosses International Date Line from west to east ?
A It gains one day
B It loses one day
C It loses 10 hrs
D It gains half a day

Answer: Option [B]

The correct answer is it loses one day. Crossing the date line eastbound decreases the date by one day, while crossing the date line westbound increases the date.

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