Question

what are plastids ? write about their types and function

Answer 1

plastids are found in all plant cells and in euglenoids.They bear some specific pigments , thus imparting specific colours to the plants .

plastids are of three types
chloroplasts, chromoplasts and leucoplasts.

The chloroplast contain chlorophyll and carotenoid pigments which are responsible for trapping light energy for photosynthesis.

Chromoplasts contain fat soluble carotenoid pigment like carotene , xanthophylls . They gives the plant a yellow, orange or red colour.

The leucoplasts are the colourless plastids of varied shapes and sizes with stored nutrients.

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Answer 2

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Plastics are of three types present only in plants cell

They are

${\star{\sf{chloroplast}}}}$

${\star{\sf{chromoplast}}}}$

${\star{\sf{leucoplasts}}}}$

Chloroplast:helps in photosynthesis in plants

Chromoplast:gives colours to fruits followers and vegetables

Leucoplasta:colourless plastids and store various food materials in the plants