A) 5/6, 6/7 7/8 and 8/9
B) 6/7, 7/8. 8/9 and 9/10
C) 1/2, 2/3, 3/4 and 4/5
D) 14/15, 15/16, 16/17 and 17/18
Correct Answer: A
Solution :
Four pairs of spermatheca are present in earth worm which are situated a pairs in the each 6th, 7th, 8th and 9th segments. They opens outside on intersegmental grove 5/6, 6/7, 7/8, 8/9.
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