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How many spermathecal apertures are present in an earthworm?

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in Biology – Class 11 by (272k points)
How many spermathecal apertures are present in an earthworm?

(a) Two

(b) Four

(c) Six

(d) Eight

This question was addressed to me during a job interview.

The question is from Animals in portion Structural Organisations in Animals of Biology – Class 11

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Right answer is (d) Eight

The explanation is: Four pairs or eight spermathecal apertures are situated on the ventrolateral sides of the intersegmental grooves, i.e., 5-9 segments. A single female genital pore is present in the mid-ventral line of 14^th segment.

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