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29/08/2020 7:10 pm
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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
1 Answer
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29/08/2020 7:11 pm
(c) 6, 7, 8, 9
Explanation:
Four pairs of small spermathecae are present on the intersegmental groove of 5 & 6, 6 & 7, 7 & 8 and 8 & 9 segments. They receive sperms from another worm during copulation.