2. Sample Papers
  3. 5th Class
  4. General Knowledge

5th Class General Knowledge Sample Paper General Knowledge Olympiad Model Test Paper-7

  • question_answer
    A star is regarded dead when:

    A)  Its photosphere burst

    B)  Hydrogen in its core come to end

    C)  Nuclear fusion reaction stops in its core

    D)  It stops emitting light and heat

    E)  None of these

    Correct Answer: C

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