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Biology
Which one of the following correctly describes the location of some body parts in the earthworm (Pheretima) ?
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Q. Which one of the following correctly describes the location of some body parts in the earthworm (Pheretima) ?
AIIMS
AIIMS 2014
A
Four pairs of spermathecae in 4-7 segments
B
One pair of ovaries attached at inter-segmental septum of 14th and 15th segments
C
Two pairs of testes in 10th and 11th segments
D
Two pairs of accessory glands in 16-18th Segments
Solution:
In earthworm, two pairs of testes are present in segments $10$ and $11$ . Earthworms are hermaphrodite but fertilization is cross type due to protandrous condition. One pair of ovary is located in segment $13 .$