Give a comparative account of aortic arches in different vertebrates with suitable illustrations.
(UPSC 2018, 15 Marks, )
विभिन्न कशेरुकियों में महाधमनी चापों का तुलनात्मक विवरण उपयुक्त चित्रों के साथ दें। (Give a comparative account of aortic arches in different vertebrates with suitable illustrations.)
Give a comparative account of aortic arches in different vertebrates with suitable illustrations.
(UPSC 2018, 15 Marks, )