Location: -
It is present in leaves, petals, fruits and roots etc.
Colour: -
The colour of plastids may vary e.g. Green (chlorophyll), red, blue, yellow, purple
and white etc.
Structure: -
It is in the form of semi-fluid matrix called stroma. It is composed of protein and
other chemicals. It is in the form of stack membranous system in which each
membrane is called geranium. Granum is a place where photosynthesis takes place
so it play vital role in plant cell.
Types of Plastids: -
Plastids are of three types
i) Chloroplast
ii) Chromoplast
iii) Leucoplast