Sperm Transport Pathway in Male Frogs — NEET Biology
✅ Asked in NEET 2017Frogs have well organised male and female reproductive systems. Male reproductive organs consist of a pair of yellowish ovoid testes, which are found adhered to the upper part of kidneys by a double fold of peritoneum called mesorchium. Vasa efferentia are 10-12 in number that arise from testes. They enter the kidneys on their side and open into Bidder's
NTA tests the sequential pathway of sperm from production to exit: testes → vasa efferentia (10-12 ducts) → kidney → Bidder's canal → urogenital duct. Students often confuse the route or forget that vasa efferentia are multiple ducts entering the kidney's side, not a single structure. The key trap is mixing up the male frog pathway with other animals—remember that Bidder's canal is specific to anurans and receives sperm from the kidney. To score correctly, memorize this exact sequence and recall that mesorchium is the peritoneal fold suspending testes, which establishes their position relative to kidneys. This anatomical pathway is fundamental for understanding vertebrate reproduction.
Select the correct route for the passage of sperms in male frogs.
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