The upper part of the mantle upon which the crust of the Earth floats is called: [IAS 2003]

Related MCQs

• Which of the following are true regarding the crust of the earth? 1. It is the outer thin layer with a total thickness of about 100 km 2. It forms around 0.5 percent of the earth's volume 3. The outer covering of the crust is of sedimentary material 4. The lower layer of the crust consists of basaltic and ultra-basic rocks
• What is the correct sequence of the following layers of the Earth as one moves from the surface to the interior: 1. Mantle 2. Crust 3. Core Select the correct answer by using the codes given below: [NDA 1993]
• Which one of the following minerals occurs abundantly in the Earth's crust? [CDS 2003]
• 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.
• Which one of the following is present in the largest amount in terms of percent by mass in the earth's crust? [IAS 1997]
• 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]
• 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]
• A valley with steep, parallel walls along the faultlines, formed by the subsidence of a part of earth's crust is known as : [CDS 2004]
• Which one of the following is not the effect of the revolution of the Earth. [IAS 2003]
• '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]