A) photoreceptor
B) chemoreceptor
C) the rmoreceptor
D) tangoreceptor
Correct Answer: B
Solution :
A pair of Osphradia are found in the mentle grooves of Pila near the anus. Each osphridium is a small 6-7 cm long, elongated structure. Osphrodia serve as chemoreceptor organs. These chemically check the water current come into the pile and also help in the selection of food material.You need to login to perform this action.
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