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Structural Organisation in Animals — BIOLOGY STD 11 Science — Question

Gujarat BoardEnglish MediumSTD 11 ScienceBIOLOGYStructural Organisation in Animals1 Mark
MCQ
Characteristics of female cockroach:
  • A
    Presence of anal style.
  • B
    Each ovary is made up of $'6\ '$ ovarioles.
  • ✓
    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.
✓

Answer

Correct option: C.
One pair spermatheca present and opens in genital chamber.
The female reproductive system consists of two large ovaries, lying laterally in the $2^{nd} -6^{th}$ abdominal segments.
Each ovary is formed of a group of eight ovarian tubules or ovarioles, containing a chain of developing ova.
Oviducts of each ovary unite into a single median oviduct $($also called vagina$)$ which opens into the genital chamber.
A pair of spermatheca is present in the $6^{th}$ segment which opens into the genital chamber.
Hence One pair spermatheca present and opens in the genital chamber is Characteristics of a female cockroach.

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