Name two cell-organelles that are double membrane bound. What are the characteristics of these two organelles? State their functions and draw labelled diagrams of both.

Give name and function of membrane bound structure occupying most of the space in plant cell.

Draw a labelled diagram of the human eye. List at least four names of its parts and state the functions of any two parts.

Eukaryotic cells have organelles which may (a) not be bound by a membrane (b) bound by a single membrane (c) bound by a double membrane Group the various sub-cellular organelles into these three categories.

Carefully observe the given diagram and answer the questions related with it: State any two functions of 'b'.

Carefully observe the given diagram and answer the questions related with it: State any two functions of part 'd'.