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Question : Study thegivenfigurecarefullyandanswerthe followingquestions : (i)LabeltheParts maeked as(a),(b) ,( C) ,(d) and € (ii)giveonemajorfunctionof eachpart.

Answer»

SOLUTION :(i) (a)Sertoli cells
(b)Seminiferoustubule
( C) Spermatozoa
( D)SPERMATOGONIA
( e)Intersitial cells .
(II)FUNCTIONOF parts:
(a)sertolicellsprovidenutrition todevelopingspermatozoa .
( B)Spermatozoa areformedin theseminiferoustubules from spematoniathatarisefromgerminalepithelialcells . ( C)Theseare male gameteswhichfertilizethe ovum .
(d)Thespermatoeniccellsofgerminalepithliumliningtheseminiferoustubulesby mitotic divisionsproducespermatogonia , Thelatterundergomeioticdivisiontoform spermatozoa .
( E)Intersitialcellssecretesexhormones(Testosterone ).


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