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How is 7^(th) sternum modified in female...

How is `7^(th)` sternum modified in female cockroach?

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In female cockroach, `7^(th)` segment sternum is large, boat-shaped and splitted into two apical lobes or plates. These plates contriibute in formation of genital pouch.
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Knowledge Check

  • Characteristics of female cockroach

    A
    Presence of anal style
    B
    Each ovary is made up of '6' ovarioles
    C
    One pair spermatheca present and opens in genital chamber
    D
    Genital pouch is made up of `9^(th), 10^(th)` tergum and `9^(th)` sternum

  • Number of sterna visible in female Cockroach is

    A
    Ten
    B
    Nine
    C
    Eight
    D
    Seven

  • The female and male cockroaches are

    A
    equal in size
    B
    winged
    C
    wingless
    D
    omnivorous

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