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What is the main function of plastids in a cell?

Dear Student , 

Plastid is cell  organelle found in plants and algae .  Chloroplasts ( type of plastid) has his own DNA.
Major type of Plastid and there functions are

Chloroplast - they perform photosynthesis in cell.
Chromoplast  - they play role in synthesis and storage of pigments.
Leucoplast - they play role in synthesis of fatty acid.
Amyloplast -  they play role in starch and sugar.
Eiaioplast -  they play role in storage of oils and lipids .

Regards.

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They give colour
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They provide colour to fruits and flowers in plant. They helps in storage of protein, starch and oil.
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Plastid gives colour to cell and also perform specific functions.
For eg to flowers they give colours
Which make flowers attractive which attract pollinating agent and thus help in pollination ultimately.
Luecoplast ,a kind of plastid , stores starch in potatoes
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Hi!

Plastids?are major organelles found in plant cells and algae.

Functions of plastids:
They carry out the process of photosynthesis.
They contribute to the colour of leaves, flowers etc.
They store starch, proteins, fats and oils.

Regards
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