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The colour of chromoplast can be
A. Yellow
B. Red
C. Orange
D. All of the above.

seo-qna
Last updated date: 19th Jun 2024
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Answer
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Hint:Chromoplasts are coloured plastid as they synthesize and store pigments. And their color varies depending on what pigment they contain.

Complete Answer:
To answer this question, first, we need to know about the plastid. Plastids are organelles involved in the synthesis and storage of food. They are found within the cells of photosynthetic eukaryotes. In plants, plastids may develop into these forms: chloroplasts, chromoplasts, gerontoplasts, and leucoplasts. A few plastids have the ability to differentiate from one form to another. An example of it is the chloroplasts re-differentiating into chromoplasts during the ripening of a fruit. Chromoplast has colour because of the pigments that are produced and kept inside them. The colour of plant organs such as fruits, flowers, roots, leaves is associated with the presence of pigments, apart from chlorophyll.

Now, let us find the solution from the option.
Plastid is a vital site for the store and production of chemical products utilized by the cells of autotrophic organisms.
 Chromoplast is a kind of plastid that contains yellow, red and orange coloured pigments.
 They are commonly present in fruits, flowers, roots and aged leaves which result in clear colours to these plant parts.
The chromoplasts contain a pigment called lycopene, which is present in the shape of crystals within the lumina of membrane sacs.

Thus, the correct option is ‘D’.i.e. All of the above.

Note:The main evolutionary purpose of chromoplasts is probably to attract pollinators or eaters of colored fruits, which help disperse seeds. But they are also present in roots like carrots and sweet potatoes. They allow the accumulation of large quantities of water-insoluble compounds in otherwise watery parts of plants. When leaves change color in the autumn, it is due to the loss of green chlorophyll that uncovered pre-existing carotenoids.