What is the actual shape of the Earth ?
Correct answer(s):
- oblate spheroid
Topic
Geotectonics
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Quizzes in Geotectonics
The greatest amount of isolation is received by which place of Earth’s surface ?
Correct answer(s):
- Tropical deserts
What happens when a ship crosses International Date Line from west to east ?
Correct answer(s):
- It loses one day
The International Date line passes through :
Correct answer(s):
- Bering strait
Who among the following was the first to measure the circumference of the Earth ?
Correct answer(s):
- Eratosthenes
The upper part of the mantle upon which the crust of the Earth floats is called :
Correct answer(s):
- asthenosphere
Tropic of Cancer does not pass through which one of the following countries ?
Correct answer(s):
- Nepal
How many kilometers are represented by 1 degree of latitude ?
Correct answer(s):
- 111 KM
The circumference of Earth is about ____.
Correct answer(s):
- 40000 KM
Earth’s Polar diameter is about ____ than its equatorial diameter.
Correct answer(s):
- 43 KM shorter
The total surface area of Earth is about ____ million square KM.
Correct answer(s):
- 510
The Earth is an oblate spheroid and not a perfect sphere. This is because :
Correct answer(s):
- The Earth has a rotational motion and the rotational speed increases as one goes from the Poles towards the Equator.
- The Equator experiences greater gravitional pull from the Sun.
The time required for the earth to return to a given point in its orbit with reference to fixed star is :
Correct answer(s):
- Sidereal year
What is the time difference between longitudes?
Correct answer(s):
- 4 minutes
The Tropic of Cancer passes through:
Correct answer(s):
- India and Saudi Arabia
The Core of the Earth is made up of:
Correct answer(s):
- both iron and magnesium in the plastic state.
The Core of the Earth is made up of both ____ and ____ in the plastic state.
- oxygen
- iron
- magnesium
- silica
Correct answer(s):
- iron
- magnesium
What are the two most abundant elements in Earth’s crust?
- oxygen
- Manganese
- Silicon
- Iron
Correct answer(s):
- Oxygen
- Silicon
Which one of the following minerals occurs abundantly in the earth’s crust?
Correct answer(s):
- Silica
Which one of the following elements is the most abundant in the Earth’s crust?
Correct answer(s):
- Oxygen