Chapter Exam

Chapter-4 Lithosphere I Endogenetic Processes — Online MCQ Test

Q: What is the outermost solid layer of the Earth called?

Answer: A. Crust — The crust is the outermost solid layer of the Earth. It is the thinnest layer compared to the mantle and core.

Q: Which scale is used to measure the magnitude of earthquakes?

Answer: B. Richter scale — The Richter scale measures the magnitude or strength of an earthquake. It is commonly mentioned in earthquake studies.

Q: Which layer of the Earth is made up of a semi-molten material and lies beneath the crust?

Answer: C. Mantle — The mantle lies below the crust and is made of hot, semi-solid material. It plays an important role in plate movement.

Q: If two plates slide past each other horizontally, which type of boundary is formed?

Answer: C. Transform boundary — When plates move sideways past one another, it is a transform boundary. Such movement often causes earthquakes.

SOCIAL · Samacheer Kalvi 9th · Tamil Nadu State Board

Practice Chapter-4 Lithosphere I Endogenetic Processes with a free chapter-wise online MCQ test for Tamil Nadu State Board Samacheer Kalvi 9th SOCIAL. This chapter covers: Description Describes the internal structure of the Earth plate movements earthquakes and volcanoes Keywords Crust Mantle Core Plate Tectonics Richter Scale Volcanoes. AI-generated questions from basic to board-exam level, with instant results and explanations.

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Chapter-4 Lithosphere I Endogenetic Processes — Important Questions & Answers (FAQ)

Frequently asked questions from Tamil Nadu State Board Samacheer Kalvi 9th SOCIAL — Chapter-4 Lithosphere I Endogenetic Processes, with answers and explanations. These are sample questions; the exam has its own separate question set.

What is the outermost solid layer of the Earth called?

A. Crust ✓
B. Mantle
C. Core
D. Asthenosphere

Answer: A. Crust
The crust is the outermost solid layer of the Earth. It is the thinnest layer compared to the mantle and core.

Which scale is used to measure the magnitude of earthquakes?

A. Celsius scale
B. Richter scale ✓
C. Mercalli scale
D. Fahrenheit scale

Answer: B. Richter scale
The Richter scale measures the magnitude or strength of an earthquake. It is commonly mentioned in earthquake studies.

Which layer of the Earth is made up of a semi-molten material and lies beneath the crust?

A. Inner core
B. Outer core
C. Mantle ✓
D. Lithosphere

Answer: C. Mantle
The mantle lies below the crust and is made of hot, semi-solid material. It plays an important role in plate movement.

If two plates slide past each other horizontally, which type of boundary is formed?

A. Convergent boundary
B. Divergent boundary
C. Transform boundary ✓
D. Subduction boundary

Answer: C. Transform boundary
When plates move sideways past one another, it is a transform boundary. Such movement often causes earthquakes.

Which statement is correct about the core of the Earth?

A. It is the thinnest layer and made entirely of rocks
B. It is the outermost layer and directly forms landforms
C. It is the innermost layer and is mainly made of nickel and iron ✓
D. It is a part of the atmosphere near the surface

Answer: C. It is the innermost layer and is mainly made of nickel and iron
The core is the innermost layer of the Earth and is mainly composed of nickel and iron. It has very high temperature and pressure.

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