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Which one of the following correctly describes the location of some body parts in the earthworm Pheretima?

  1. A
    Four pairs of spermathecae in 4 - 7 segments.
  2. B
    One pair of ovaries attached at intersegmental septum of 14th and 15th segments.
  3. C
    Two pairs of testes in 10th and 11th segments.
  4. D
    Two pairs of accessory glands in 16 - 18 segments.

Solution & Step-by-step Explanation

In Pheretima posthuma:Two pairs of testes are located in the 10th and 11th segments.Spermathecae: Four pairs in segments 6-9.Ovaries: One pair attached at the intersegmental septum of the 12th and 13th segments.Accessory glands: Two pairs in segments 17 and 19.

Practice this question

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Which one of the following correctly describes the location of some body parts in the earthworm Pheretima?
A
Four pairs of spermathecae in 4 - 7 segments.
B
One pair of ovaries attached at intersegmental septum of 14th and 15th segments.
C
Two pairs of testes in 10th and 11th segments.
D
Two pairs of accessory glands in 16 - 18 segments.

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Animal KingdomEarthworm AnatomyTestes

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