NEET 2011 Biology question

Frogs differ from humans in possessing:

(1)paired cerebral hemispheres
(2)hepatic portal system
(3)nucleated red blood cellsCorrect
(4)thyroid as well as parathyroid

Answer: (3)

Solution

Mature red blood cells of frog are nucleated and oval (biconvex), whereas mature human RBCs are enucleate, biconcave discs. So frogs differ from humans in having nucleated RBCs,

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Question ID VK-090703