Question

Difference between chromoplast ,chloroplast and leucoplast

Answer 1

Chromoplast: It contains different pigments such as Xanthophyll, etc..

Chloroplast: It contains green pigment used in photosynthesis.

Leukoplast: It doesn’t contain any pigment

Answer 2

Chloroplasts:

 These contain chlorophyll and carotenoids pigments which are responsible for trapping light energy essential for photosynthesis.

 These are regarded as “kitchen of cell” as they are sites of photosynthesis.

Chromoplasts:

 These contain carotenoids pigments like carotene, xanthophylls etc.  

 These pigments impart colour to fruits and flowers.

 Colours of flowers attract insects which help in pollination.

Leucoplasts:

 These are colourless plastids with stored nutrients.

 Amyloplasts store carbohydrates like starch, e.g., potato.

 Elaioplasts store oils and fats, e.g., seeds of castor and mustard etc.

 Aleuroplasts store proteins, e.g., seeds of pulses.

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