Solved UPSC CDS/OTA Question
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Q · The Universe Medium · 45s
Arrange the following stages in the life cycle of a massive star in sequence: Main sequence star Red supergiant Supernova Neutron star/Black hole
TopicThe Universe
Question Typemultiple choice
DifficultyMedium
Marking+1 / −0.33
Test Duration30 min
Step-by-Step Solution
The complete worked solution.
Every step explained — no skipped algebra.
A massive star evolves from main sequence to red supergiant, undergoes supernova explosion, and finally forms a neutron star or black hole.
Final Answer: Option A — 1-2-3-4