Give a diagram of T.S of a part of a seminiferous tubule of testis of an aduit human male .Label its parts .

Draw L.S. of testis of the human male.

Draw a labelled sectional view of seminiferous tubule of a human male.

Draw a labelled diagram of a part of T.S. through seminiferous tubule of human testis showing the various stages of spermatogenesis.

Draw a diagrammatic sectional view of a seminiferous tubule (enlarged) in humans and label its parts.

(a) Draw a diagrammatic sectional view of a seminiferous tubule (enlarged) of human male and label (i) Spermatogenium, (ii) Sertoli cell, (iii) Primary spermatocyte. Write the function of each labelled part. (b) Differentiate between spermatogenesis and spermiogenesis.

Sketch and label seminiferous tubule as seen in T.S. of testis.

The given diagram refers to T.S. of testis showing sectional view of a few seminiferous tubules. Identify the parts labelled A-D and select the correct option.

Drew a labelled diagram of the sectional view of a human seminiferous tuble ( Six parts to be labelled

Draw a labelled diagram of T.S. cochlea of human ear.

Draw a labelled diagram of a sectional view of humen seminiferous tubule. (b) Differentiate between gametogenesis in humen males and females on the basis of (i) time of initation of the process. (ii) Products formed at the end of the process.