[Solved] The core of the Earth is made up of: [IAS 2003]

Q.	The core of the Earth is made up of: [IAS 2003]
A.	mainly of iron in the liquid form
B.	mainly of nickel in the liquid form
C.	both iron and silica in the liquid form
D.	both iron and magnesium in the plastic state
Answer» D. both iron and magnesium in the plastic state

632

Do you find this helpful?

View all MCQs in

World Geography

Discussion

No comments yet

Related MCQs

Which of the following phenomenon is/are the effect of the rotation of the Earth? [IAS 2003] 1. Apparent movement of the Sun, the Moon and the Stars. 2. Flatness of the poles and bulge at the Equator. 3. Occurrence of' sunrise, noon and sunset 4. Magnetic field of the earth.
Consider the following statements: 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 Which of these statements are correct? [NDA 2002]
Consider the following statements regarding the atmosphere of the earth: 1. It is enveloping the earth because of gravity. 2. Its density decreases with increasing height from the surface of the earth. 3. Its characteristic composition is same throughout its height. 4. Amount of pressure it exerts on earth's surface at sea level is called one atm sphere. Which of these statements are correct? [CDS 2001]
'The length of its day and the tilt of its axis are almost identical to those of the earth'. This is true of: [IAS 2003, 1994]
The Srnith-tuttle comet will crash with Earth in: [IAS 2003]
The upper part of the mantle upon which the crust of the Earth floats is called: [IAS 2003]
Which one of the following is not the effect of the revolution of the Earth. [IAS 2003]
Consider the following statements: 1. Nearly 99 percent of the total mass of the atmosphere lies within 30 km of the Earth's surface. 2. The proportion of ozone in the atmosphere increases to a maximum at about 60 km from Earth's surface. Which of the statements given above is/are correct? [IAS 2008]
Consider the following statements: 1. On the planet Earth, the fresh water available for use amounts to about less than 1% of the total water found. 2. Of the total fresh water found on the planet Earth, 95% is bound up in polar ice caps and glaciers. Which of the statements given above is/are correct? [IAS 2010]
Variation in duration of day and night is due to: 1. rotation of earth on its axis 2. revolution of earth around the sun 3. inclination of earth at an angle of