A) 14, 15, 16
B) 13,14, 15
C) 15, 16, 17
D) 10,11,12
Correct Answer: A
Solution :
About 2 cm behind the front end of body Pheriiima posthuma bears a thick collar or girdle like glandular thickening of body wall called clitellum. It occurs arround the segments 14, 15 and 16.
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