Consider the following statements:
1. The lithosphere includes both continental and oceanic crust.
2. Lithospheric crust is denser than oceanic crust.
3. Cocos plate is an oceanic plate that contains oceanic crust only.

Which of the above statements are correct?
(a) 1 and 3 only
(b) 2 and 3 only
(c) 1 and 2 only
(d) 1, 2, and 3

Question

Consider the following statements:
1. The lithosphere includes both continental and oceanic crust.
2. Lithospheric crust is denser than oceanic crust.
3. Cocos plate is an oceanic plate that contains oceanic crust only.

Which of the above statements are correct?
(a) 1 and 3 only
(b) 2 and 3 only
(c) 1 and 2 only
(d) 1, 2, and 3

ONLiNE UPSC · Accepted Answer

Statement 1 is correct: There are two types of lithosphere: oceanic lithosphere and continental lithosphere.
Statement 2 is not correct: Oceanic lithosphere is associated with oceanic crust, and is slightly denser than continental lithosphere.
Statement 3 is correct: The North American plate is an example of one that contains both types of crust, while the Cocos plate contains oceanic crust only.

Physical Geography

Lithosphere and Plate Tectonics

Website Link

Test Your Knowledge

Student Resources


M Question 1	⏱ 0
Consider the following statements: 1. The lithosphere includes both continental and oceanic crust. 2. Lithospheric crust is denser than oceanic crust. 3. Cocos plate is an oceanic plate that contains oceanic crust only. Which of the above statements are correct? (a) 1 and 3 only (b) 2 and 3 only (c) 1 and 2 only (d) 1, 2, and 3