7th Class General Knowledge Miscellaneous / विविध Question Bank Science and Technology

  • question_answer
    Some of the inventions and their inventors are given below. Select the mismatch pairs.
    (i) Atomic bomb J Robert Oppenheimer
    (ii) Piano Georges Audemars
    (iii) Steel Henry Bessemer
    (iv) Cinema Cristofori

    A)  (i) and (ii)

    B)  (ii) and (iii)

    C)  (iii) and (iv)

    D)  (ii) and (iv)

    Correct Answer: D


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