Plastids storing fat are called

Describe the structure and function of chloroplasts with a diagram.

All plastids have essentially the same structure because

The given diagram shows the sectional view of a chloroplast. Identify the parts labelled as $A, B, C$ and $D$.

An amyloplast stores .......... .

If we separate the cell organelles of a living cell,then which of the following parts would be considered semi-autonomous and capable of independent activity?