Describe the structure of the human ovum with a neat labelled diagram.

Describe the structure of chlamydomonas with neat labelled diagram.

Explain the structure of nervous tissue with neat labeled diagram.

Draw a neat labelled diagram of Hydra

Describe the structure of the following with the help of labelled diagrams. (i) Nucleus " " (ii) Centrosome

Explain the structure of pollen grain with a labelled diagram.

Describe the structure of protein with neat diagram.