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Question

Give the difference between the leucoplast and chromoplast.

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Solution

Leucoplast: They are called as the colourless plastids.

Chromoplast: They impart red, yellow and orange colour to the fruits and petals of the flowering plants.

Leucoplast
Chromoplast
1. Leucoplasts are the forms of colourless plastids. 1. Chromoplast contains colour-containing pigments like carotene and xanthophyll.
2. They are present in the internal structures of the plant. 2. Chromoplasts are present on the exposed structures of the plant like the corolla.
3. Leucoplast acts as the storage structure for starch, protein and lipids.
3. The function of chromoplast is to synthesize the carotenoid pigments which help with pollination.
4. Lamellae is present with a granular stroma.
4. Lamellae is absent and thylakoids are mostly absent.


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