Attempt this previous-year question. The correct option stays hidden until you choose.
Consider the following statements:
Statement-I: Giant stars live much longer than dwarf stars.
Statement-II: Compared to dwarf stars, giant stars have a greater rate of nuclear reactions. Which one of the following is correct in respect of the above statements?
Pick an option to check yourself.
• Correct Answer: D
• Giant stars have shorter lifespans than dwarfs because greater mass produces higher core pressure and faster nuclear fusion rates.
• Higher reaction rates cause rapid fuel consumption despite larger total mass.
• Dwarf stars burn fuel slowly and can last billions to trillions of years.
Attempt Prelims MCQs or open Mains questions by paper — then continue the same bank inside the app with visual decks.
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