Question
Write a short note on Chlorophyceae.
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Answer
- Chlorophyceae includes green algae.
- These are mostly fresh water (few brackish water and marine).
- Plant body is unicellular, colonial or filamentous.
- Cell wall contains cellulose.
- Chloroplasts are of various shapes like discoid, plate-like, reticulate, cup-shaped, ribbon-shaped or spiral with chlorophyll a and b.
- Reserved food is in the form of starch.
- Pyrenoids are located in the chloroplast.
- Green algae like Chlorella are rich in protein, hence used as food even by space travelers, e.g. Chlamydomonas, Spirogyra, Chara, Volvox, Ulothrix, etc.
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