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    The larvae of Macrobrachium rosenbergii goes through _____ distinct stages before metamorphosing into the adult.
    Question

    The larvae of Macrobrachium rosenbergii goes through _____ distinct stages before metamorphosing into the adult.

    A.

    5 stages

    B.

    2 stages

    C.

    11 stages

    D.

    21 stages

    Correct option is C


    Correct Answer: (c) 11 stages
    Explanation:
    → M. rosenbergii pass through about 11 zoeal (larval) stages in the marine/brackish-water larval phase, followed by post-larval metamorphosis into juvenile form.
    → Each stage is characterized by specific morphological changes used in hatchery staging.
    Information Booster:
    → Larval rearing requires careful salinity and feeding management during these stages for good survival.
    Additional Information (Other Options):
    (a),(b),(d): Incorrect counts — 11 is the commonly reported number of zoeal stages.

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