A) one is median and two are lateral
B) one is dorsal and two are ventral
C) two are dorsal and one is ventral
D) one is median-dorsal and two are ventrolateral
Correct Answer: D
Solution :
In Ascaris lumbricoides, anterior end is rounded bearing a triradiate mouth aperture. It is guarded by three lips. One lip is mid dorsal and elliptical and two are later ventral or oval.
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