Select the option that can be used as a one-word substitute for the given group of words.
A sudden and violent change or upheaval
Show answer & explanation
Correct answer: D
Explanation
The correct answer is option 4 i.e. Turbulence.
'Turbulence' refers to sudden and violent movement or disorder, often used to describe chaotic situations, whether in the air, water, or even social and political contexts.
Hence, option 4 i.e. Turbulence is the correct substitution for the given group of words.
Other options mean:
Serenity is a state of utter calm and silence.
Equanimity is a state of psychological stability and composure.
Tranquility is a peaceful, calm state, without noise, violence, worry, etc.