Q.
Which of the following statement is correct regarding female reproductive system of earthworm?
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a
It consists of two large ovaries, lying laterally in the 6th – 7th abdominal segments.
b
Each ovary is formed of a group of five ovarian tubules or ovarioles, containing a chain of developing ova.
c
A pair of spermatheca is present in the 5th segment which opens into the genital chamber.
d
Ova are deposited into the cocoon at the 14th segment in the clitellar region.
answer is D.
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Detailed Solution
Female reproductive system consists of the large ovaries, lying laterally in the 2nd - 6th abdominal segments. Each ovary is formed of a group of eight ovarian tubules or ovarioles, containing a chain of developing ova. A pair of spermatheca is present in the 6th segment which opens into the genital chamber. Ova are released from the ovaries through the female genital pores in the 14th segment.
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