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Characteristics of spirogyra


Posted Date:     Total Responses: 0    Posted By: C.N.Anantharaman   Member Level: Gold   Points/Cash: 2   


(1)Spirogyrs occurs in freshwater bodies such as ditches,ponds,lakes etc.It is commonly called water silk or pond scum because of slippery touch touch of its thread like filaments.

(2)It is multicellular filamentous green alga covered by a mucilagenous sheath.

(3)Each filament is unbranched and consists of cylindrical cells placed end to end.

(4)The cell wall is two layered and is made up of cellulose and pectin.

(5)Cytoplasm lies in the periphery of cell enclosing a vacuole in the centre.

(6)One or more ribbon shaped spirally arranged chloroplasts are present in the cytoplasm.Each chloroplast bears pyrenoids.

(7)single nucleus is stranded in the centre of the vacoule by cytoplasmic strands.


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