Online GK Series

This site is dedicated to the aspirants of competitive exams SSC, UPSC, Railways, Postal Assistants, Bank, GATE and NET

Get Attractive Job


The top of the cone of a volcanic mountain has a depression known as the

A Sill
B Water
C Lopolith
D Crater
Answer & Explanation
Option: [D]

Your Valuable Comments Please...

Important EBooks for Competitive Exams