A) stomach
B) base of pharynx
C) base of hypopharynx
D) base of oesophagus
Correct Answer: C
Solution :
Each salivary gland of Periplaneta includes a flattened glandular part and a long pyriform sack-like reservoir or receptacle. Ducts arise from these parts united to form a common efferent salivary duct which opens upon the basal part of hypopharynx (tongue).
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