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The vasa efferentia in male frogs are

ABranches of the hepatic portal vein only
B10 to 12 fine tubes linking testes to kidneys
CA single duct from testis to cloaca only
DBranches of the renal portal vein only
Answer & Solution
Correct answer: B. 10 to 12 fine tubes linking testes to kidneys
Vasa efferentia (10-12) emerge from each testis, enter the corresponding kidney, and open into Bidder's canal. The urinogenital duct then carries both sperm and urine out through the cloaca in the male frog.
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