Earth MCQs

Which one of the following organisations is responsible for publishing topographical sheets?

Which of the following statement is correct?

Which of these statements are correct?
1. Prime Meridian passes through Greenwich and is at 0° Longitude.
2. International Date Line, on the map appears as a straight line along 180° Longitude.
3. While crossing International Date Line from east to west, one gains a day.
4. Tropic of Cancer lies at Latitude.

Which of the following are true regarding the crust of the earth?
I. It is the outer thin layer with a total thickness of about 100 km
II. It forms around 0.5% of the earth's volume
III. The outer covering of the crust is of sedimentary material
IV. The lower layer of the crust consists of basaltic and ultra-basic rocks

The Earth is an oblate spheroid and not a perfect sphere. This is because
1. the Earth has a rotational motion and the rotational speed increases as one goes from the Poles towards the Equator.
2. the Equator experiences greater gravitational pull from the Sun.
3. the intensity of sunlight received at the Equator is greater than that at the Poles.

The acceleration due to gravity at the equator

Which of the following are true regarding the Prime meridian?
1. It passes through the centre of a certain country
2. It passes through the centre of the Globe
3. It passes through the observatory at Greenwich, near London.

We always see the same surface of the Moon because

Which of these statements are correct?
1. Earth is the fourth largest planet of the solar system
2. Earth's circumference is about 45000 km
3. Earth's polar diameter is about 43 km shorter than its equatorial diameter
4. Earth has a total surface area of 510 million sq.km