A stack is formed when: MCQ with Answer and Explanation

A stack is formed when:
A. A river deposits sediment
B. A glacier melts
C. A volcano erupts
D. A sea arch collapses
Answer: Option D
Solution (By JKExamLibrary)
When the roof of a sea arch collapses, a detached pillar called a stack remains.

This question belongs to: Geography GK Physical Geography

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Practice More Physical Geography Questions

Question #1 Report Error
The Lehmann Discontinuity separates which two layers of the Earth?
A. Mantle and Outer Core
B. Crust and Mantle
C. Upper Mantle and Lower Mantle
D. Outer Core and Inner Core

Correct Answer: Option D


Explanation:
The Lehmann Discontinuity marks the boundary between the liquid outer core and the solid inner core. It was discovered by Danish seismologist Inge Lehmann in 1936.

This question belongs to: Geography GK Physical Geography
Question #2 Report Error
Which continent has the fewest countries?
A. Australia
B. Europe
C. South America
D. North America

Correct Answer: Option A


Explanation:
Australia (Oceania continent region) has the fewest sovereign countries among continents.

This question belongs to: Geography GK Physical Geography
Question #3 Report Error
The transfer of heat through direct contact is called:
A. Radiation
B. Reflection
C. Convection
D. Conduction

Correct Answer: Option D


Explanation:
Conduction transfers heat through direct molecular contact.

This question belongs to: Geography GK Physical Geography