Bidder's canal in male frogs is
AAn ovarian duct that opens into the cloaca
BA urinary reservoir below the rectum tube
CA neural tract along the dorsal spinal cord
DA longitudinal collecting duct in male kidney
Answer & Solution
Correct answer: D. A longitudinal collecting duct in male kidney
Bidder's canal runs along the medial border of each kidney in male frogs. It collects sperm from vasa efferentia (10-12) and links to the urinogenital duct. Female frogs lack Bidder's canal.
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