The Algae

The Algae

Hi viewers: Today we will discuss about the algae, which are Eukaryotic plants, my be microscopic single cellular or macroscopic multicellular.  These are grouped under plants kingdom PROPERTIES ALGAE  Autophytic nutrition. Exception- Cephaleuros (a parasitic algae) Fresh water or marine Thallus body Reserve food material is starch Cell wall- cellulose True parenchymatous cells are present Nonflowering Microscopic or macroscopic Reproduction- vegetative, asexual and sexual Eg. Spirogyra, Volvox, Chlamydomonas, Chara etc   a.  Chlamydomonas b.  Spirogyra c.  Volvox Q and A of Algae Distinguish between coenocyte and coenobium. (1) Coenocyte Coenobium 1. A mass of cytoplasm surrounding many nuclei and enclosed by a cell wall. It is found in certain algae and fungi. 1. A colony of Volvox is called coenobium. Mention few characteristics of (unicellular) Chlamydomonas. Ans. a. Chlamydomonas is a unicellular motile green alga possessing two flagella and usually a cup shaped chloroplast. b. Cell wall is thin and composed of cellulose. c. The basal granules situated at the base of the flagella are called blepharoplasts. d. At the base of each flagella lies one contractile vacuole,...
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