Lithosphere geography Quiz – Test Your Geography Knowledge

Test your knowledge of the “Lithosphere”– one of the foundational chapters of Geography for UPSC.

This quiz includes high-quality MCQs based on NCERT and standard books, tailored for UPSC Prelims 2025. Questions cover the structure of the earth, types of rocks, plate tectonics, and other essential lithosphere concepts.

📌 Features:
– Chapterwise coverage
– Detailed explanations
– UPSC-level difficulty

Start now to boost your concept clarity and quiz-solving speed!

Which of the following best defines the lithosphere?

A. The core and the mantle

B. The crust and the uppermost solid part of the mantle

C. Only the crust

D. The hydrosphere and atmosphere

The average thickness of the continental lithosphere is approximately:

A. 5–10 km

B. 30–50 km

C. 100–200 km

D. 200–300 km

Which layer of the Earth lies directly beneath the lithosphere?

A. Crust

B. Inner core

C. Asthenosphere

D. Mesosphere

Which process is not directly associated with the movement of the lithosphere?

A. Earthquakes

B. Plate tectonics

C. Magnetic field generation

D. Mountain building

Oceanic lithosphere is primarily made up of which type of rock?

A. Granite

B. Basalt

C. Gneiss

D. Sandstone

Which of the following boundaries is not a type of lithospheric plate boundary?

A. Convergent boundary

B. Divergent boundary

C. Static boundary

D. Transform boundary

The phenomenon of sea-floor spreading occurs at:

A. Convergent boundaries

B. Transform boundaries

C. Divergent boundaries

D. Hotspots only

Which of the following seismic waves can travel through both solids and liquids?

A. P-waves

B. S-waves

C. Surface waves

D. L-waves

What is the main reason S-waves do not travel through the outer core?

A. The outer core is too dense

B. S-waves are absorbed by the mantle

C. The outer core is liquid

D. They reflect at the crust-mantle boundary

Surface waves are responsible for:

A. Deep mantle convection

B. Maximum destruction during an earthquake

C. Formation of oceanic crust

D. Earth’s magnetic field generation

What is the correct sequence of arrival of seismic waves at a seismograph station?

A. S-waves → P-waves → Surface waves

B. Surface waves → P-waves → S-waves

C. P-waves → S-waves → Surface waves

D. S-waves → Surface waves → P-waves

What is the name of the boundary that separates the crust from the mantle?

A. Lehmann Discontinuity

B. Gutenberg Discontinuity

C. Conrad Discontinuity

D. Mohorovičić Discontinuity

Which of the following statements is true about the Conrad Discontinuity?

A. It separates mantle and core

B. It separates outer and inner core

C. It separates upper and lower crust

D. It lies beneath the Moho

Which discontinuity separates the mantle from the outer core?

A. Mohorovičić Discontinuity

B. Conrad Discontinuity

C. Gutenberg Discontinuity

D. Lehmann Discontinuity

The zone on the Earth’s surface where no direct P-waves are received is between:

A. 90° to 180°

B. 105° to 140°

C. 0° to 60°

D. 140° to 180°

The S-wave shadow zone extends between:

A. 105° to 180°

B. 40° to 105°

C. 0° to 140°

D. 105° to 180°

Which layer of the Earth is inferred to be liquid based on seismic wave behavior?

A. Crust

B. Inner core

C. Outer core

D. Lower mantle

The theory of Plate Tectonics was developed in which decade?

A. 1880s

B. 1910s

C. 1960s

D. 1990s

Which of the following best describes the movement at a divergent plate boundary?

A. Plates move toward each other

B. Plates slide past each other

C. Plates move away from each other

D. One plate is subducted under another

The Himalayas were formed as a result of which type of plate boundary?

A. Divergent boundary

B. Transform boundary

C. Ocean-ocean convergent boundary

D. Continent-continent convergent boundary

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