Explain the different stage of foetal development.

Explain different types of stem

Explain the different stages of prophase 1 of mieotic cell division (vii) Diakinesis:

Explain the different stages of prophase 1 of mieotic cell division (vi) Chiasmata

Explain the different stages of prophase 1 of mieotic cell division (ii) Leptotene:

In angiosperms, female gametophte is called as embryo sac. Given figures represent different stages of embryo sac development in angiosperms. Arrange them in correct order and select the correct option.

Draw the different stages of Rocket launching.

Explain the different methods of grafting.