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B
Nine
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C
Eight
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D
Seven
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Solution
The correct option is C Seven The number of sterns in a female cockroach is seven. The abdomen in both males and females consists of 10 segments. In females, the 7th sternum is boat-shaped and together with 8th and 9th sterna form a genital pouch whose anterior part contains female gonopore, spermathecal pores, and collateral glands.