Question

Paired spermathecae occur in Pheretima in which of the following segments?

• A. 4, 5, 6, 7
• B. 5, 6, 7, 8
• C. 6, 7, 8, 9
• D. 3, 4, 5, 6

Answer 1

The correct option is C 6, 7, 8, 9

There are 4 pairs of small pear shaped bilobed spermathecae, which receive sperms from another worm during copulation and store them in their diverticula in Pheretima and in ampullae in other earthworms. They are present in 5 and 6, 6 and 7, 7 and 8 and 8 and 9 segments.

Therefore, the correct answer is option C.