Tag: chlorophyll
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Vaucheria
According to Fritsch system of classification, Vaucheria is placed in Chlorophyceae. Fritsch system of classification: Class – Chlorophyceae Order – Siphonales Family – Vaucheriaceae Genus – Vaucheria According to Smith, Vaucheria is placed under Xanthophyceae. Smith system of classification: Class – Xanthophyceae Order – Heterosiphonales Family – Vaucheriaceae Genus –Vaucheria which…
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Xanthophyceae (Yellow Green Algae)
General characteristics of Xanthophyceae Members of Xanthophyceae are commonly fresh water (Tribonema) and most of them are free floating. Plant body is unicellular (Heterochloris) or multicellular. The multicellular bodies also exhibit various forms like: Palmelloid (Chlorogloea), dendroid (Mischococcus), coccoid (Chlorobotrys), rhizopodial (Stipitococcus). Cells are eukaryotic with silica and pectin in cell wall. Chief pigment are…
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NUTRITION IN PLANTS – Class 7
What are Plants? Plant cell have plastids, which is not present in animal cell. Plants have cell wall, which is absent in animal cell. NUTRIENTS • Nutrients are compounds in foods which are essential to life and health, providing us with energy, the building blocks for repair and growth and substances necessary to regulate chemical…