Which of the following statements is correct regarding anatomy of frog?
(I) Male reproductive organs consists of a pair of yellowish ovoid testes, which are found adhered to the upper part of kidneys by a doubled fold of peritoneum called mesorchium.
(II) Vasa efferentia are 20-22 in number that arise from testes, enter the kidneys on their side and open into cloacal aperture.
(III) The thin-walled urinary bladder is present lateral to the rectum which also opens in the cloaca.
(IV) The prominent endocrine glands found in frog are pituitary, thyroid, parathyroid, thymus, pineal body, pancreatic islets, adrenal and gonads.
(V) The bidder's canal is a small, median chamber which is used to pass faecal matter, urine and sperms to the outside.
Choose the correct answer from the options given below.
Text Solution
Verified by ExpertsA
Statements I and IV are correct. Rest statements are incorrect and these can be corrected as
Vasa efferentia are 10-12 in number that arise from testes, enter the kidney on their side and open into bidder's canal.
The thin-walled urinary bladder is present ventral to the rectum which opens in the cloaca.
The cloaca is a small, median chamber that is used to pass faecal matter, urine and sperms to the exterior.
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