(a) When and where does spermatogenesis in human male begin to take place?
(b) With the help of schematic diagram, trace the development of mature spermatozoa in a human male.

(a) When and where does spermatogenesis occur in human male ? (b) Draw a diagram of a mature human male gamete and label the following parts : acrosome, middle piece and tail (c) mention the function of acrosome and middle piece

When do the oogenesis and the spermatogenesis initiate in human females and males respectively?

When do the oogenesis and the spermatogenesis initiate in human females and males respectively?

The organ in human body where glycogenolysis takes place ?

(a) When and Where does spermatogenesis occur in human male ? (b) Draw a diagram of a mature human male gamete. Label the following parts: acrosome, nucleus, middle piece and tail. (c) Mention the functions of acrosome and middle piece.

Where does fertilisation normally take place in a human female?

Where does development of worm embryos take place?

When and where does reduction division take place in the life cycle of a liverwort, a moss, a fern?

During spermatogenesis in human males, ..............type of gametes are produced.

In human males, the testes lie in the scrotum, because it helps in the