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    Question

    Stroma and grana membranes are present

    in
    A Ribosomes Correct Answer Incorrect Answer
    B Chloroplasts Correct Answer Incorrect Answer
    C Endoplasmic reticulum Correct Answer Incorrect Answer
    D None of these Correct Answer Incorrect Answer

    Solution

    Chloroplasts, which are primarily found in plant cells, contain these membrane structures. Grana are stacks of disc-like structures called thylakoids, while the stroma refers to the fluid-filled space surrounding the thylakoid membranes within the chloroplasts.

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